Fox
type: Demo
demonstrates: FOX
hookline: is the Federated Knowledge Extraction Framework to extract RDF triples out of natural language.

Boa
type: Demo
demonstrates: BOA
hookline: is a tool for pattern-based knowledge extraction.

aksw.org
type: Dataset
contributor: Agile Knowledge Engineering and Semantic Web
creator: Sebastian Tramp
description: This dataset contains projects, sub groups, people and pages or the Agile Knowledge Management and Semantic Web (AKSW) Research Group @ University of Leipzig.
license: http://creativecommons.org/licenses/by-sa/3.0/
publisher: Agile Knowledge Engineering and Semantic Web
subject: Machine learning
subject: Natural language processing
subject: Semantic Web
classes: 10
data dump: http://aksw.org/model/export/
entities: 80
feature: RDF XML
feature: Turtle
properties: 40
root resource: Main Navigation
sparql endpoint: sparql
triples: 700
vocabulary: terms
vocabulary: schema#
vocabulary: void#
vocabulary: ns#
vocabulary: doap#
vocabulary: core#
vocabulary: http://xmlns.com/foaf/0.1/

Agile Knowledge Engineering and Semantic Web (AKSW)
type: Document
main content: sub groups {{query where="?resourceUri aiiso:part_of groups:AKSW." template="liplain"}} people {{query where="?group foaf:member ?resourceUri . ?group aiiso:part_of groups:AKSW ." template="liplain"}} The Research Group **Agile Knowledge Engineering and Semantic Web (AKSW)** is hosted by the Chair of [Business Information Systems](http://bis.informatik.uni-leipzig.de) (BIS) of the [Institute of Computer Science](http://www.informatik.uni-leipzig.de) (~IfI) / [University of Leipzig](http://www.uni-leipzig.de) as well as the [Institute for Applied Informatics](http://infai.org) (~InfAI). It consists of the three subgroups [Emergent Semantics](http://aksw.org/Groups/ES), [Machine Learning and Ontology Engineering](http://aksw.org/Groups/MOLE), and [Semantic Abstraction](http://aksw.org/Groups/SIMBA). # Goals * Development of methods, tools and applications for adaptive Knowledge Engineering in the context of the Semantic Web * Research of underlying Semantic Web technologies and development of fundamental Semantic Web tools and applications * Maturation of strategies for fruitfully combining the Social Web paradigms with semantic knowledge representation techniques AKSW is committed to the [free software](http://en.wikipedia.org/wiki/Free_software_movement), [open source](http://www.opensource.org), [open access](http://www.soros.org/openaccess) and [open knowledge](http://okfn.org) movements. # Projects AKSW has launched a number of high-impact R&D projects: {{query where="?resourceUri aksw:promoted 'true'^^xsd:boolean." template="li"}} Please look at the [projects page](http://aksw.org/Projects) for a comprehensive description of AKSW's funded as well as community and open source projects. # Demos Please have a look at our demos: {{query where="?resourceUri a aksw:Demo." template="wheel"}}
menu label: About
feed: feed

Ali Khalili
type: Person
room: 5-21
template option: minimal
Business Card: [Office Leipzig]
hidden label: AliKhalili
current project: RDFaCE
current project: SlideWiki

Alrik Hausdorf
type: Person
current project: KeyNode.js

Amrapali J. Zaveri
type: Person
publication tag: zaveri
room: 5-10
Business Card: [Office Leipzig]
hidden label: AmrapaliZaveri
current project: ReDD-Observatory
current project: Stats2RDF
name: Amrapali Zaveri

Dr. Axel-C. Ngonga Ngomo
type: Person
publication tag: ngonga
room: 5-22
template option: extended
Business Card: [Office Leipzig]
hidden label: AxelNgonga
current project: BOA
current project: FOX
current project: LIMES
name: Axel Ngonga

Claus Stadler
type: Person
publication tag: stadler
room: 5-10
template option: minimal
Business Card: [Office Leipzig]
current project: LinkedGeoData

Clemens Hoffmann
type: Person
hidden label: Cannelony
hidden label: ClemensHoffmann
current project: OntoWiki
current project: RDFauthor
current project: re:publish

Contact
type: Document
main content: people {{query where="?group foaf:member ?resourceUri . ?group aiiso:part_of groups:AKSW ." template="liplain"}} ...

Daniel Gerber
type: Person
publication tag: gerber
room: 5-20
template option: minimal
Business Card: [Office Leipzig]
current project: BOA

Darya Tarasowa
type: Person
room: 5-21
template option: minimal
Business Card: [Office Leipzig]
hidden label: DaryaTarasowa
current project: SlideWiki

Groups
type: Document
main content: people {{query where="?group foaf:member ?resourceUri . ?group aiiso:part_of groups:AKSW ." template="liplain"}} The following subgroups belong to AKSW: {{query where="?resourceUri aiiso:part_of <http://aksw.org/Groups/AKSW>." template="abstract"}}

Agile Knowledge Engineering and Semantic Web
type: Research Group
abbrevation: AKSW

Emergent Semantics
type: Research Group
research areas: Agile Knowledge Engineering
research areas: Distributed / Federated Social Networks
research areas: Linked Data
research areas: Semantic Software Engineering
research areas: Semantic Web Infrastructure
abbrevation: ES
abstract: Research in Emergent Semantics revolves around supporting semantic collaboration scenarios in an adaptive way. This work includes especially research on engineering and adoption of semantic collaboration software, semantic collaboration protocols as well as research on distributed / federated semantic social networks. To bootstrap semantic collaboration and the semantic web in general, the Emergent Semantics group also investigates basic semantic technologies and semantic web infrastructures.
part of: Agile Knowledge Engineering and Semantic Web
member: Ali Khalili
member: Darya Tarasowa
member: Ivan Ermilov
member: Jörg Unbehauen
member: Michael Martin
member: Philipp Frischmuth
member: Sebastian Tramp
member: Dr. Sören Auer
member: Thomas Riechert
member: Timofey Ermilov

Machine Learning and Ontology Engineering
type: Research Group
publication tag: mole
research areas: Creating knowledge bases from weakly structured data
research areas: Quality assurance and enhancement in ontologies
research areas: Semi-automatic instance matching
research areas: Supervised Machine Learning in OWL/RDF knowledge bases
abbrevation: MOLE
template option: extended
abstract: The MOLE group focuses on combining Semantic Web and supervised Machine Learning technologies. The goal is to improve both quality and quantity of available knowledge by extracting, analysing, enriching and linking existing data. To make obtained results readily available for use in other applications, the group also provides several established open source tools, frameworks and demonstrators.
part of: Agile Knowledge Engineering and Semantic Web
member: Amrapali J. Zaveri
member: Claus Stadler
member: Dr. Jens Lehmann
member: Lorenz Bühmann
member: Mohamed Morsey
member: Sebastian Hellmann

Semantic Abstraction
type: Research Group
publication tag: simba
research areas: Extraction of RDF and OWL from unstructured data
research areas: Link Discovery
research areas: Machine Learning
research areas: Natural Language Processing
abbrevation: SIMBA
template option: extended
abstract: SIMBA's focus lies on knowledge extraction, integration, linking and consumption for porting the document-oriented web to the Data Web. For this purpose, SIMBA develops novel and scalable approaches for RDF/OWL extraction, link discovery and graph analysis. In addition, SIMBA provides tools and frameworks that implement these approaches and allow for their swift integration into industry projects.
part of: Agile Knowledge Engineering and Semantic Web
member: Dr. Axel-C. Ngonga Ngomo
member: Daniel Gerber
member: Nadine Jänicke
member: Norman Heino
member: Saeedeh Shekarpour

Imprint
type: Document

Ivan Ermilov
type: Person
room: 5-21
template option: minimal
Business Card: [Office Leipzig]
hidden label: IvanErmilov
current project: SlideWiki

Dr. Jens Lehmann
type: Person
publication tag: lehmann
room: 5-10
template option: extended
Business Card: [Office Leipzig]
hidden label: JensLehmann
current project: DBpedia
current project: DL-Learner
current project: LATC
current project: LE4SW
current project: LOD2
current project: LinkedGeoData
current project: NLP2RDF
current project: ORE
name: Jens Lehmann
past project: OntoWiki.eu
past project: SoftWiki

Jörg Unbehauen
type: Person
publication tag: unbehauen
room: 5-20
Business Card: [Office Leipzig]
past project: xOperator

Jonas Brekle
type: Person
hidden label: JonasBrekle
hidden label: jbrekle
current project: aksw.org
current project: DSSN
current project: Erfurt
current project: OntoWiki

Lorenz Bühmann
type: Person
publication tag: buehmann
room: 5-10
template option: minimal
Business Card: [Office Leipzig]
current project: ORE

Michael Haschke
type: Person
current project: aksw.org
current project: Erfurt
current project: LOD2
current project: OntoWiki
past project: Triplify

Michael Martin
type: Person
publication tag: martin
room: 5-10
template option: extended
Business Card: [Office Leipzig]
current project: Erfurt
current project: OntoWiki

Mohamed Morsey
type: Person
publication tag: morsey
room: 5-10
template option: minimal
Business Card: [Office Leipzig]
current project: DBpedia

Nadine Jänicke
type: Person
room: 5-17
Business Card: [Office Leipzig]
hidden label: NadineJaenicke
current project: LOD2
current project: OntoWiki.eu

Natanael Arndt
type: Person
current project: Mobile Social Semantic Web
current project: OntoWiki

Main Navigation
type: Navigation
item: Agile Knowledge Engineering and Semantic Web (AKSW)
item: Groups
item: Projects
item: Publications
item: Presentations
item: Teaching
item: Partners

Top Navigation
type: Navigation
item: Contact
item: Blog
item: Internal Area
item: Imprint

Norman Heino
type: Person
publication tag: heino
room: 5-08
template option: extended
Business Card: [Office Leipzig]
hidden label: NormanHeino
current project: aksw.org
current project: Erfurt
current project: KeyNode.js
current project: LOD2
current project: OntoWiki
current project: RDFauthor
current project: SCMS
current project: re:publish
past project: OntoWiki.eu
past project: OntoWiki Mobile
past project: SoftWiki
past project: Stats2RDF

404
type: Document
hookline: Resource not found
main content: Either the resource you are trying to reach is not available anymore on this server, or you have tried to access a 'dead' link.

B2 d.o.o. (SLO)
type: Organization
abstract: B2 d.o.o. is a leading Slovene company in the field of computer trainings, e-learning, software, system solutions and formal education. The company was established in 1989 with the intention of helping people to increase their productivity, competitiveness and satisfaction by means of information and communication technologies (ICT).

Business Intelligence GmbH (D)
type: Organization
abstract: BI Business Intelligence GmbH is a IT service provider based in Leipzig. BI offers solutions in the area of data warehousing, business intelligence and enterprise portals.

Carinthia University of Applied Sciences (A)
type: Organization
abstract: Since its foundation in 1995, CUAS has developed into a unique educational institution in Carinthia. Through constant further development of the degree programs at CUAS and intensive cooperation with the worlds of business and science, those studying at the university can be certain of a forward-looking education with its finger on the pulse of time

Centrum Wiskunde & Informatica (NL)
type: Organization
abstract: The Centrum Wiskunde & Informatica (abbr. CWI; English: National Research Institute for Mathematics and Computer Science) is one of the leading European research centers in the field of mathematics and theoretical computer science. It is located at the Science Park Amsterdam in the Netherlands.

Digital Trowel Inc. (IL)
type: Organization
abstract: Digital Trowel, Israel LTD is an Israeli company specializing in providing sophisticated NLP based solutions to large corporations. Digital Trowel has 27 researchers and programmers that are highly proficient in text mining, information extraction and social network analysis techniques.

ebrosia GmbH (D)
type: Organization
abstract: ebrosia is one of the biggest online shops for wine and viands in germany. It is based in Delitzsch near Leipzig.

Exalead (F)
type: Organization
abstract: Founded in 2000 by search engine pioneers, Exalead is a global software provider in the enterprise and Web search markets. Exalead worldwide client base includes leading companies such as Price Waterhouse Cooper, Michelin, American Greetings and Sanofi Pasteur, and more than 100 million unique users a month use Exalead's technology for search.

Freie Universität Berlin (D)
type: Organization
abstract: The Web-based Systems Group at Freie Universität Berlin explores technical and economic questions concerning the development of global, decentralized information environments. Its current focus lies on the publication and interlinking of structured data on the Web using Semantic Web technologies.

ISA Tools GmbH (D)
type: Organization

Lecos GmbH (D)
type: Organization
abstract: Lecos GmbH is a IT service provider based in Leipzig.

National University of Ireland, Galway (IRL)
type: Organization
abstract: National University of Ireland, Galway (NUI, Galway) - Digital Enterprise Research Institute (DERI) is one of the main actors in research and development of semantic technologies in the world. NUIG performs research in the Semantic Web, social networks, sensor network platforms and applies its research results to solve integration problems in various application-oriented projects in eLearning, eGovernment, eBusiness, and eHealth.

Netresearch GmbH & Co. KG (D)
type: Organization
abstract: Netresearch is a fast growing, specialised software company which offers expertise in the areas of conception, implementation and maintenance of the open source CMS TYPO3 an PHP based Web applications especially for customers in the eCommerce and tourism branches. Netresearch’s custom-developed TYPO3 based business solutions are used as internet-, intranet- and extranet- applications.

Open Knowledge Foundation (GB)
type: Organization
abstract: The Open Knowledge Foundation (OKF) is a not-for-profit organization that promotes open knowledge, including open content and open data. It was founded 24 May 2004[2] in Cambridge, UK. The foundation has published the Open Knowledge Definition and runs several projects, such as CKAN, the registry software used by many governments for their open data projects and Where Does My Money Go, a service to monitor government spending.

OpenLink Software (GB)
type: Organization
abstract: OpenLink Software is a United Kingdom SME founded in 1992. It operates a business development and sales subsidiary in the United States. Most product development takes place within the EU, across the UK, Netherlands and Bulgaria. The company is a leading provider of high-performance, scalable, and secure technology covering: data access drivers, data virtualization middleware; native database management (RDBMS or RDF based Graph Store), and enterprise collaboration.

ProDV AG (D)
type: Organization
abstract: PRO DV AG is a IT systems provider for process-optimized business solutions.

QA Systems GmbH (D)
type: Organization

Semantic Web Company (A)
type: Organization
abstract: Founded in 2004, Semantic Web Company, is an IT company headquartered in Vienna, Austria. The company is a provider of Semantic Web infrastructure technologies and services used to support semantic information integration and semantic search based on linked data principles at the enterprise level.

T-Systems MMS (D)
type: Organization

Talis Ltd. (GB)
type: Organization
abstract: Talis Consulting provide world class expert advice to organisations who know that Linked Data and the Semantic Web are the next big thing, but aren’t sure how to get started.

TenForce (B)
type: Organization
abstract: TenForce is a Belgian software company specialized in delivering pragmatic solutions for complex problems. TenForce has years of international experience in knowledge management combined with an in-depth expertise in emerging technologies. Besides designing, marketing and supporting their in-house product - a web-based management environment for project and operational activities - , they conduct several projects on European scale focusing on modelling complex systems.

Universität Duisburg-Essen (D)
type: Organization
abstract: The research group Interaktive Systems of the University of Duisburg-Essen (Campus Duisburg) is active in the research areas of human computer interaction, engineering of interactive systems and context adaptive web applications.

Vrije Universiteit Amsterdam (NL)
type: Organization
abstract: The KR&R group at the Free Vrije Universiteit Amsterdam investigates modelling and representation of different forms of knowledge and reasoning, as found in a large variety of AI systems.

Vakantieland (NL)
type: Organization
abstract: Vakantieland is a portal which publishes comprehensive information about 20,000 touristic points-of-interest (POI) in the Netherlands such as textual descriptions, location information and opening hours.

Wolters Kluwer Deutschland (D)
type: Organization
abstract: Wolters Kluwer Deutschland GmbH (WKD) is part of Wolters Kluwer n.v., a leading global information services and publishing company. The company provides products and services for professionals in the health, tax, accounting, corporate, financial services, legal and regulatory sectors. Wolters Kluwer has annual revenues (2008) of €3.4 billion, employs approximately 18,400 people worldwide and maintains operations in 20 European countries, North America and Asia Pacific. Wolters Kluwer is headquartered in Amsterdam, the Netherlands.

Partners
type: Document
main content: {{query where="?project aksw:partner ?resourceUri." template="partner"}}

Philipp Frischmuth
type: Person
publication tag: frischmuth
room: 5-08
Business Card: [Office Leipzig]
hidden label: PhilippFrischmuth
current project: DSSN
current project: Erfurt
current project: KeyNode.js
current project: LATC
current project: LOD2
current project: OntoWiki
current project: Triplify
past project: OntoWiki.eu
past project: Powl
past project: SoftWiki

Presentations
type: Document
main content: # Slideshare presentations | Get your Presentation Pack # Videolectures * Sören Auer: [Triplify - Light-weight Linked Data Publication from Relational Databases](http://videolectures.net/www09_auer_tlwldp/), at World Wide Web 2009 Conference * Sören Auer: [DBpedia: A Nucleus for a Web of Open Data](http://videolectures.net/iswc07_soeren_nwo/), at International Semantic Web Conference 2007 * Sören Auer: [OntoWiki - A Tool for Social, Semantic Collaboration](http://videolectures.net/iswc06_auer_otssc/) at International Semantic Web Conference 2006 # Talks * Jens Lehmann, Sören Auer: [Semantic Wikis and the Web of Data](http://jens-lehmann.org/files/2009_wod_wikis.odp) (OpenDocument format), invited talk at 1st KYOTO EU project workshop, 2009. * Jens Lehmann, Christoph Haase: [Ideal Downward Refinement in the EL Description Logic](http://jens-lehmann.org/files/2009_ilp.pdf), 19th International Conference on Inductive Logic Programming, 2009. * Jens Lehmann: [Presentation of AKSW Group and OWL Class Expressions Learning](http://jens-lehmann.org/files/2009_aifb.odp) (OpenDocument format), AIFB Karlsruhe, 2009. * [DBpedia.org - Querying Wikipedia like a Database](http://sites.wiwiss.fu-berlin.de/suhl/bizer/pub/Bizer-etal-WWW2007-DBpedia-Talk.pdf) [Developers track](http://www2007.org/prog-Developers.php) at the 16th International World Wide Web Conference (WWW2007), Banff, Canada, May 2007. * Jens Lehmann: [Hybrid Learning of Ontology Classes](http://jens-lehmann.org/files/2007_hybrid_learning_presentation.pdf) at the 5th International Conference on Machine Learning and Data Mining, 2007. * Jens Lehmann: [ALC Concept Learning with Refinement Operators](http://jens-lehmann.org/files/2007_concept_learning_refop_presentation.pdf) at the 17th International Conference on Inductive Logic Programming, 2007. * **SoftWiki - Agiles Requirements-Engineering für Softwareprojekte mit einer großen Anzahl verteilter Stakeholder.** Statuskonferenz Forschungsoffensive "Software Engineerin…

Projects
type: Document
main content: {{toc depth="1"}} # Funded Projects {{query where="?resourceUri a aksw:FundedProject." template="liplain"}} ASKW is funded by regional, national and European research funding programmes. {{query where="?resourceUri a aksw:FundedProject." template="abstract"}} # Community Projects {{query where="?resourceUri a aksw:CommunityProject." template="liplain"}} AKSW has launched a number of high-impact R&D Community projects. {{query where="?resourceUri a aksw:CommunityProject." template="abstract"}} # OpenSource Projects {{query where="?resourceUri a aksw:OpenSourceProject." template="liplain"}} AKSW has launched a number of high-impact R&D Open Source projects. {{query where="?resourceUri a aksw:OpenSourceProject." template="abstract"}} # Incubator Projects {{query where="?resourceUri a aksw:IncubatorProject."}} # Project Alumni Some projects have reached a stable state, but are currently not actively maintained and further developed. {{query where="?resourceUri a aksw:AlumniProject."}}
feed: feed

aksw.org
type: Project
hookline: a linked data driven web page rendered by OntoWiki site extension
abstract: The semantic data wiki OntoWiki can be used as a Content Management System to render and manage content of certain types. According to 'eat you own dog food', the aksw.org web page is an example for this approach.
Repository (web): aksw.org
bug database: issues
maintainer: Sebastian Tramp
type: Incubator Project

AKSW Web Page Documentation
type: Document
main content: {{toc tag="ul" depth="3"}} # Big-Picture This web page consists of linked data enabled resources. Each resource has a specific HTML5 representation (besides its RDF representation). This HTML representation is rendered by using a template and fill its variable parts with the content from these sources: * values (Literals) of specific attributes from the resource * output of helper markup (see below) * content rendered from sub-templates # Resources and Properties The following attributes and classes are used by the templates. ## Classes Currently, there are templates for the following classes of resources: * foaf:Document: a basic web page without specific lists and queries * aiiso:ResearchGroup: a (sub) research group with lists of member, research areas and projects * foaf:Person: a person with lists of projects and research areas * foaf:Project: an AKSW project. Can be a funded, a community or an open-source project. ## Properties These properties can be applied to all resources: * rdfs:label: This is the overall headline, name or title of a resource. * site:menuLabel: If the resource title is too long for the menu, use this property in addition to rdfs:label. * site:content: The main content property. The literal value should be of datatype sysont:Markdown. * dcterms:abstract: This is a plain text attribute (no markup). The content of this attribute is used in extended lists and build the header of the resource as a first summary paragraph. * aksw:hookline: This a less than 100 character description of the resource. Hooklines are especially important for projects to advertise them in lists and on top of the project page. * sioc:feed: Use this object property to relate a RSS or Atom feed to this resource. The content of this feed is shown in the right side content column. In addition to the general properties, these class specific properties can be used: * for Projects: foaf:homepage * for Groups: [[aksw:researc…
abstract: This example page demonstrates some features of this linked data enabled web page including features from the OntoWiki site extension, the AKSW site-specific additions as well as Markdown and helper markup in general.
feed: feed

ALOE
type: Project
hookline: Assisted Linked Data Consumption Engine
main content: ...
abstract: ALOE is a linked data consumption engine that provides assistance to its user by suggesting class, property and consumption settings automatically.
feed: feed
maintainer: Dr. Axel-C. Ngonga Ngomo
type: OpenSource Project

AutoSPARQL
type: Project
hookline: Convert a natural language expression to a SPARQL query
main content: ...
abstract: The underlying idea is to convert a natural language expression to a SPARQL query, which can then retrieve the answer of a question from a given triple store.
maintainer: Dr. Jens Lehmann
type: Incubator Project

BOA
type: Project
hookline: BOotstrapping linked datA
main content: ...
abstract: Most knowledge sources in the Web of Data were extracted from either structured or semi-structured data. Although they are an invaluable resource for structured knowledge, they consist of less than 20% of the information available on the Web. The idea behind BOA is to use the knowledge available in Linked Data Web to extract even more information from the Web. The potential of the approach is immense, as it could promote the Linked Data Web to the lingua franca for a large number of applications including machine translation, named entity recognition and speech generation.
maintainer: Daniel Gerber
type: Incubator Project

Border~Flow
type: Project
hookline: a general-purpose graph clustering tool
main content: ...
abstract: BorderFlow is a general-purpose graph clustering tool. It uses solely local information for clustering and achieves a soft clustering of the input graph. It maximizes intra-cluster density and inter-cluster sparseness simultaneously. The default setting of BorderFlow implements a fast heuristic for maximal usability. BorderFlow also implements several heuristics, optimal versions and hardening approaches.
maintainer: Dr. Axel-C. Ngonga Ngomo
type: OpenSource Project

Catalogus Professorum
type: Project
hookline: Leipzig Professors Catalog
main content: ...
abstract: An adapted OntoWiki with accompanying vocabularies for managing historic information related to the professors working at the University of Leipzig in its 600-year history.
maintainer: Thomas Riechert
type: Incubator Project

Cofundos
type: Project
hookline: community innovation & funding
main content: ...
abstract: Cofundos helps to realize open-source software ideas, by providing a platform for their discussion & enrichment and by establishing a process for organizing the contributions and interests of different stakeholders in the idea.
feed: feed
maintainer: Dr. Sören Auer
programming language: PHP
type: Community Project

DBpedia SPARQL Benchmark
type: Project
hookline: a pure RDF benchmark based on actually posed queries
main content: ...
abstract: DBPSB is a general SPARQL benchmark procedure, which we apply to the DBpedia knowledge base. The benchmark is based on query-log mining, clustering and SPARQL feature analysis. In contrast to other benchmarks, we perform measurements on actually posed queries against existing RDF data.
maintainer: Mohamed Morsey
type: Incubator Project

DBpedia
type: Project
hookline: Querying Wikipedia like a Semantic Database
promoted: true
related project: DBpedia SPARQL Benchmark
main content: ...
abstract: DBpedia is a community effort to extract structured information from Wikipedia and make this information available on the Web. DBpedia allows you to ask sophisticated queries against Wikipedia and to link other datasets on the Web to Wikipedia data.
feed: feed
maintainer: Dr. Sören Auer
type: Community Project

DL-Learner
type: Project
hookline: a tool for supervised Machine Learning in OWL and Description Logics
promoted: true
related project: ORE
main content: ...
abstract: DL-Learner is a tool for learning concepts in Description Logics (DLs) from user-provided examples. Equivalently, it can be used to learn classes in OWL ontologies from selected objects. The goal of DL-Learner is to support knowledge engineers in constructing knowledge and learning about the data they created.
feed: feed
maintainer: Dr. Jens Lehmann
programming language: Java
type: OpenSource Project

DSSN
type: Project
hookline: An Architecture of a Distributed Semantic Social Network
related project: Mobile Social Semantic Web
related project: Semantic Pingback
related project: xOperator
main content: ...
abstract: ...
maintainer: Sebastian Tramp
type: Incubator Project

Erfurt
type: Project
hookline: PHP5 / Zend based Semantic Web API for Social Semantic Software
related project: Query Cache
main content: ...
abstract: Comprises the API underneath OntoWiki, which can be used to build sophisticated Semantic Web applications
maintainer: Michael Martin
programming language: PHP
type: Incubator Project

FOX
type: Project
hookline: Federated knOwledge eXtraction Framework
main content: ...
abstract: FOX is a framework that integrates the Linked Data Cloud and makes uses of the diversity of NLP algorithms to extract RDF triples of high accuracy out of NL. In its current version, it integrates and merges the results of Named Entity Recognition, Keyword Extraction and Relation Extraction tools.
feed: feed
maintainer: Dr. Axel-C. Ngonga Ngomo
type: OpenSource Project

Relation Annotation in GENIA
type: Project
main content: ...
abstract: The aim of the GENIA relation ontology is to provide a set of relations which define a detailed and broadly applicable set of relation types based on accepted domain standard concepts for use in corpus annotation and domain information extraction approaches. To ensure that the meaning of the relationships is explicit, the relations are specified in OWL (see download section). We integrate categories and relations from several domain ontologies including IAO, OBI, GO and the GENIA ontology for maximal compatibility.
maintainer: Dr. Axel-C. Ngonga Ngomo
type: Incubator Project

KeyNode.js
type: Project
hookline: Next level web presentations
main content: ...
abstract: KeyNode.js tries to upgrade existing web-standards based slide show tools (as Slidy or slidedown) with presenter console like features such as personal notes on a different screen/browser, next slide preview and slide overview.
maintainer: Sebastian Tramp
programming language: JavaScript
type: Incubator Project

LATC
type: Project
hookline: LOD Around-the-Clock
partner: Freie Universität Berlin (D)
partner: National University of Ireland, Galway (IRL)
partner: Talis Ltd. (GB)
partner: Vrije Universiteit Amsterdam (NL)
main content: * Partners: National University of Ireland, Galway (IRL), Vrije Universiteit Amsterdam (NL), Freie Universität Berlin (D), Talis Ltd. (GB) * Duration: 2010–2012 * Funding Programme: FP7-ICT-2009.4.3 (Support Action)
abstract: This EU-funded support action aims at making it easier for data owners to publish Linked Data and interlink it with other data sources. A user-friendly 24/7 interlinking engine is developed within the project, allowing to compute and update interlinks as well as to assess their quality.
feed: feed
maintainer: Dr. Jens Lehmann
type: Funded Project

Semantic LDAP
type: Project
hookline: Bringing together LDAP and the Semantic Web
main content: * [LDAP2SPARQL](http://aksw.org/Projects/LDAP/Backend) is a backend to the widely used OpenLDAP server. It translates LDAP queries into SPARQL queries, asks a SPARQL endpoint and translates the result back to LDIF. * [LDAP2OWL](http://purl.org/net/ldap/ldap2owl.php) converts a directory information tree (DIT) complete with schema information (which will translated into an OWL ontology) and directory objects to an RDF model.
abstract: Semantic LDAP consists of a LDAP2SPARQL and a LDAP2OWL module.
maintainer: Sebastian Tramp
type: Alumni Project

LE4SW
type: Project
hookline: Regional Technology Platform of Social Semantic Collaboration
partner: Business Intelligence GmbH (D)
partner: ebrosia GmbH (D)
partner: Netresearch GmbH & Co. KG (D)
related project: OntoWiki
related project: Query Cache
status: finished
main content: * Partners: Ebrosia GmbH, Business Intelligence GmbH (D), Netresearch GmbH & Co. KG (D) * Duration: 2009–2011 * Funding Programme: WK Potential, German Ministry of Education and Research (BMBF)
abstract: Aim of the project is to (further) develop AKSW's semantic data wiki technology platform by integrating view maintenance, query subsumption and schema evolution algorithms for the RDF data model and adopt it towards the requirements of business information systems and Web content management.
maintainer: Dr. Sören Auer
type: Funded Project

LESS
type: Project
hookline: Syndicate Linked Data Content
abstract: LESS is an end-to-end approach for the syndication and use of linked data based on the definition of templates for linked data resources and SPARQL query results. As a result, LESS allows to integrate Linked Data into your website, blog, wiki ...
maintainer: Dr. Sören Auer
type: Alumni Project

LIMES
type: Project
hookline: LInk discovery framework for MEtric Spaces
main content: ...
abstract: LIMES is a link discovery framework for the Web of Data. It implements time-efficient approaches for large-scale link discovery based on the characteristics of metric spaces. It is easily configurable via a web interface. It can also be downloaded as standalone tool for carrying out link discovery locally.
feed: feed
maintainer: Dr. Axel-C. Ngonga Ngomo
type: OpenSource Project

LOD2
type: Project
hookline: Creating Knowledge out of Interlinked Data
partner: Centrum Wiskunde & Informatica (NL)
partner: Exalead (F)
partner: Freie Universität Berlin (D)
partner: National University of Ireland, Galway (IRL)
partner: Open Knowledge Foundation (GB)
partner: OpenLink Software (GB)
partner: Semantic Web Company (A)
partner: TenForce (B)
partner: Wolters Kluwer Deutschland (D)
publication tag: lod2page
related project: DL-Learner
related project: LinkedGeoData
related project: NIF
related project: ORE
related project: OntoWiki
related project: Triplify
main content: * Partners: Centrum Wiskunde & Informatica (NL), National University of Ireland, Galway (IRL), Freie Universität Berlin (D), OpenLink Software (GB), Semantic Web Company (A), TenForce (B), Exalead (F), Wolters Kluwer Deutschland (D), Open Knowledge Foundation (GB) * Duration: 2010–2014 * Funding Programme: FP7-ICT-2009–5 (Collaborative Project)
template option: extended
abstract: The goal of the LOD2 project is to develop infrastructure technology and best practices that fill the chasm between structured-linked-data and applied model logic & reasoning, en route redefining the Web as we know it. In doing so, LOD2 will integrate and syndicate linked data with large-scale existing applications and showcase the benefits in three application scenarios including Media & Publishing, Corporate Data Intranets and eGovernment.
feed: feed
maintainer: Dr. Sören Auer
type: Funded Project

LinkedGeoData
type: Project
hookline: adds a spatial dimension to the Web of Data
main content: ...
abstract: LinkedGeoData is an effort to add a spatial dimension to the Web of Data / Semantic Web. LinkedGeoData uses the information collected by the OpenStreetMap project and makes it available as an RDF knowledge base according to the Linked Data principles. It interlinks this data with other knowledge bases in the Linking Open Data initiative.
feed: feed
maintainer: Claus Stadler
programming language: JavaScript
programming language: PHP
type: Community Project

Mobile Social Semantic Web
type: Project
hookline: weaving a distributed, semantic social network for mobile users
main content: ...
abstract: An Android-based social web client as well as a contacts provider, which integrates your distributed FOAF/WebID social network into your mobile phone.
Repository (web): browse
bug database: list
download page: list
maintainer: Sebastian Tramp
programming language: Java
wiki: Welcome
type: Incubator Project
logo: hi-124-2

Navigational Knowledge Engineering
type: Project
hookline: a light-weight methodology for low-cost knowledge engineering by a massive user base
main content: ...
abstract: Although structured data is becoming widely available, no other methodology – to the best of our knowledge – is currently able to scale up and provide light-weight knowledge engineering for a massive user base. Using NKE, data providers can publish flat data on the Web without extensively engineering structure upfront, but rather observe how structure is created on the fly by interested users, who navigate the knowledge base and at the same time also benefit from using it. The vision of NKE is to produce ontologies as a result of users navigating through a system. This way, NKE reduces the costs for creating expressive knowledge by disguising it as navigation.
maintainer: Sebastian Hellmann
type: Incubator Project

NLP2RDF
type: Project
hookline: Converting NLP tool output to RDF
abstract: NLP2RDF is a LOD2 Community project that is developing the NLP Interchange Format (NIF) . NIF aims to achieve interoperability between Natural Language Processing (NLP) tools, language resources and annotations. . The output of NLP tools can be converted into RDF and used in the LOD2 Stack. Currently a NIF-1.0 Version is created on this website (Go to NIF-1.0 Specification). Implementation of NIF 1.0 is progressing and a draft for NIF 2.0 will be refined based on the experience gained during the field test of NIF-1.0.
feed: feed
maintainer: Sebastian Hellmann
type: Community Project

ORE
type: Project
hookline: A tool for debugging and enriching OWL knowledge bases
main content: ...
abstract: The ORE (Ontology Repair and Enrichment) tool allows for knowledge engineers to improve an OWL ontology by fixing inconsistencies and making suggestions for adding further axioms to it
maintainer: Lorenz Bühmann
type: Incubator Project

OntoWiki
type: Project
hookline: a tool providing support for agile, distributed knowledge engineering scenarios
promoted: true
publication tag: ontowiki
related project: aksw.org
related project: Catalogus Professorum
related project: DSSN
related project: Erfurt
related project: OntoWiki Mobile
related project: RDFauthor
related project: Semantic Pingback
related project: Stats2RDF
related project: OD@FMI
main content: ...
template option: extended
abstract: OntoWiki facilitates the visual presentation of a knowledge base as an information map, with different views on instance data. It enables intuitive authoring of semantic content, with an inline editing mode for editing RDF content, similar to WYSIWIG for text documents.
feed: feed
Repository (web): OntoWiki
bug database: issues
download page: downloads
maintainer: Sebastian Tramp
programming language: JavaScript
programming language: PHP
type: OpenSource Project

OntoWiki.eu
type: Project
hookline: Social Semantic Collaboration for EKM, E-Learning & E-Tourism
partner: B2 d.o.o. (SLO)
partner: Carinthia University of Applied Sciences (A)
partner: OpenLink Software (GB)
partner: Vakantieland (NL)
related project: OntoWiki
status: finished
main content: * Partners: FH Kärnten (A), OpenLink Software Ltd. (UK), B2 d.o.o. (SLO), Vakantieland (NL) * Duration: 2008–2010 * Funding Programme: FP7-SME
main content: ...
abstract: Aim of the project is to advance and apply adaptive database and knowledge base techniques as well as user interface techniques to enable large-scale, end-user-driven semantic collaboration in the three application domains Enterprise Knowledge Management, E-Learning and E-Tourism.
maintainer: Dr. Sören Auer
type: Funded Project

OntoWiki Mobile
type: Project
hookline: Knowledge Management in your Pocket
main content: ...
abstract: OntoWiki Mobile was developed to address the need for a mobile web application for rapid and simple knowledge acquisition in a collaborative way. It allows users to collect instance data, refine the structure of knowledge bases and browse data using hierarchical or faceted navigation on-the-go even without a present data connection.
maintainer: Timofey Ermilov
programming language: JavaScript
programming language: PHP
type: Incubator Project

OpenResearch
type: Project
hookline: Semantic Wiki for the Sciences
main content: ...
abstract: A semantic Wiki for collecting and sharing scientific meta-data such as CfPs, tool descriptions, research profiles, conference statistics etc.
maintainer: Dr. Sören Auer
type: Incubator Project

Powl
type: Project
hookline: Semantic Web Development Plattform
abstract: The aim of the Powl project is to deliver a PHP and web-based ontology editing and management solution to the OpenSoure community.
maintainer: Dr. Sören Auer
type: Alumni Project

Query Cache
type: Project
hookline: Adaptive SPARQL Query Cache
main content: ...
abstract: In order to get closer to the performance of relational database-backed Web applications, we developed an approach for improving the performance of triple stores by caching query results and even complete application objects. The selective invalidation of cache objects, following updates of the underlying knowledge bases, is based on analysing the graph patterns of cached SPARQL queries in order to obtain information about what kind of updates will change the query result.
maintainer: Michael Martin
programming language: Java
programming language: PHP
type: Incubator Project

R2D2
type: Project
hookline: PHP implementation of the D2RQ Mapping Language
type: Alumni Project

RDFAPI-JS
type: Project
hookline: Use JavaScript RDFa Widgets for Model/View Separation inside Read/Write Websites
abstract: As more and more websites start to embed RDFa content in their web application view, the need arises to provide a more extensive way for viewing and editing this semantic content independently from the remainder of the application. We present a JavaScript API that allows the independent creation of editing widgets for embedded RDFa, which adds a new edge to Web development in the context of the Semantic Web. As an addition, the API also provides sound update methods that allow on-the-spot model synchronization between client and server.
maintainer: Sebastian Tramp
type: Alumni Project

RDFaCE
type: Project
hookline: RDFa Content Editor
main content: ...
abstract: RDFaCE is an RDFa Content Editor based on TinyMCE. It supports different views for semantic content authoring and uses existing Semantic Web APIs to facilitate the annotation and editing of RDFa contents.
maintainer: Ali Khalili
programming language: JavaScript
type: Incubator Project

RDFauthor
type: Project
hookline: is an editing solution for distributed and syndicated structured content on the World Wide Web
main content: ...
abstract: The system is able to extract structured information from RDFa-enhanced websites and to create an edit form based on this data. To this end, we make use of semantics-aware editing widgets that hide most of the RDF data model from the user, thus allowing more people to author semantic content. If the embedded data does not suffice to create a rich user-supporting editing view, the underlying Semantic Web infrastructure is used to retrieve additional schema-related information about the elements used.
maintainer: Norman Heino
programming language: JavaScript
type: Incubator Project

ReDD-Observatory
type: Project
hookline: Using the Web of Data for Evaluating the Research-Disease Disparity
main content: ...
abstract: The ReDD-Observatory is a project to evaluate the disparity between active areas of biomedical research and the global burden of disease using Linked Data and data-driven discovery.
maintainer: Amrapali J. Zaveri
type: Incubator Project

SCMS
type: Project
hookline: Semantic Content Management Systems
partner: Digital Trowel Inc. (IL)
partner: Netresearch GmbH & Co. KG (D)
partner: OpenLink Software (GB)
partner: Semantic Web Company (A)
related project: Fox
related project: LIMES
related project: OntoWiki
main content: * Partners: Punk.Netservices GmbH (A), OpenLink Software Ltd. (UK), Netresearch GmbH & Co. KG (D), Digital Trowel Inc. (IL) * Duration: 2010–2012 * Funding Programme: Eurostars
abstract: SCMS aims at combining automatic knowledge discovery and participative, end-user-driven knowledge curation and extension techniques through Social Semantic Web approaches so as to create novel applications in Enterprise Knowledge Management and real-time News Mining.
feed: feed
maintainer: Dr. Axel-C. Ngonga Ngomo
type: Funded Project

SINA
type: Project
hookline: Semantically INterpreting user query towards question-Answering
main content: ...
abstract: Knowledge bases published on the Web of Data can be used to answer challenging questions about a wide range of topics. They usually offer a SPARQL endpoint, which can be queried by the user. However, a novice user needs to acquire both knowledge about the underlying ontology and proficiency in formulating SPARQL queries in order to actually formulate a SPARQL query. In this project, we are working on constructing SPARQL queries based on user-supplied keywords. As a result ordinary users are empowered to formulate relatively expressive queries without knowledge of SPARQL and the underlying ontology structure.
maintainer: Saeedeh Shekarpour
type: Incubator Project

Semantic Pingback
type: Project
hookline: Adding a social dimension to the Linked Data Web
main content: ...
abstract: The Semantic Pingback mechanism is an extension of the well-known Pingback method, a technological cornerstone of the blogosphere, thus supporting the interlinking within the Data Web.
maintainer: Sebastian Tramp
type: Incubator Project

SlideWiki
type: Project
hookline: helps communities to create great presentations collaboratively
related project: KeyNode.js
abstract: SlideWiki is a collaboration platform which enables communities to build, share and play online presentations. In addition to importing PowerPoint presentations, it supports authoring of interactive online slides using HTML and LateX. Slides and their containers (called Deck), are versioned thereby enabling change tracking. Users can create their own themes on top of existing themes or re-use other's themes.
maintainer: Dr. Sören Auer
type: Community Project

SoftWiki
type: Project
hookline: Semantics- and Community-Based Requirements Engineering
partner: ISA Tools GmbH (D)
partner: Lecos GmbH (D)
partner: ProDV AG (D)
partner: QA Systems GmbH (D)
partner: T-Systems MMS (D)
partner: Universität Duisburg-Essen (D)
related project: OntoWiki
status: finished
main content: * Partners: Universität Duisburg-Essen, T-Systems MMS, ProDV AG, LeCoS GmbH, QA Systems GmbH, ISA Tools GmbH * Duration: 2006–2009 * Funding Programme: [research initiative “Software Engineering 2006”](http://www.softwarefoerderung.de/), German Ministry of Education and Research (BMBF)
abstract: The project delivers fundamental building blocks for early phases of Requirements Engineering by establishing a stakeholder-driven knowledge engineering process for requirements elicitation, organisation and management.
feed: feed
maintainer: Thomas Riechert
type: Funded Project

SPARQL Trainer
type: Project
hookline: learn to query the semantic web
main content: ...
abstract: The SparqlTrainer is an e-learning tool to practice SPARQL interactively. With the help of self-developed tests, consisting of individual questions, it is possible to train the different query forms (SELECT, CONSTRUCT, ASK and DESCRIBE). After entering a solution the learner will immediately see an evaluation of the request with the corresponding result. Due to different features, like password protection of tests and E-mail notification, an usage in support of courses is also possible.
maintainer: Daniel Gerber
programming language: Java
type: Incubator Project

Stats2RDF
type: Project
hookline: Representing multi-dimensional statistical data as RDF using the RDF Data Cube Vocabulary
main content: ...
abstract: This project is about the representation of multi-dimensional statistical data as RDF using the RDF Data Cube vocabulary by importing spreadsheets into the OntoWiki plug-in.
maintainer: Amrapali J. Zaveri
type: Incubator Project

Triplify
type: Project
hookline: provides a building block for the 'semantification' of Web applications
promoted: true
related project: Semantic Pingback
main content: ...
abstract: Triplify tackles the chicken-and-egg problem of the Semantic Web by providing a building block for the “semantification” of Web applications. Triplify provides small, light-weight plugins for database-backed Web applications and exposes semantics as RDF, Linked Data and JSON.
feed: feed
maintainer: Dr. Sören Auer
programming language: PHP
type: OpenSource Project

XML2OWL XSLT
type: Project
hookline: Configurable XSLT stylesheet, which transforms XML documents into OWL
abstract: XML2OWL converts a given XML instance files to an OWL ontology. It can also extract an OWL model only out of an XML Schema file. If there is no XML Schema available, one will be generated from the XML instance document. OWL instances can be combined with their model.
maintainer: Dr. Sören Auer
type: Alumni Project

OD@FMI
type: Project
hookline: Open Data for the University of Leipzig's Math and Computer Science Faculty
main content: ...
abstract: The aim of this project is to provide all relevant data about the faculty infrastructure and courses as linked open data.
maintainer: Thomas Riechert
type: Incubator Project

re:publish
type: Project
hookline: Light-weight linked data publishing with node.js
abstract: re:publish is a light-weight resource publishing server built with node.js. It can be used to publish linked data in various formats for machines as well as HTML for human consumption.
Repository (web): re-publish
maintainer: Norman Heino
programming language: JavaScript
type: Incubator Project

xOperator
type: Project
hookline: combines advantages of social network websites with instant messaging
main content: ...
abstract: A semantic agent for xmpp / jabber network which finds and shares content about resources (using RDF/SPARQL) for you and your jabber friends.
maintainer: Sebastian Tramp
programming language: Java
type: Incubator Project

Publications
type: Document
exhibit data: http://docs.aksw.org/BibsonomyProxy/exhibit-proxy.php
main content: BibTeX entries for all AKSW publications can be found at [Bibsonomy](http://www.bibsonomy.org/user/aksw).
template option: extended
template option: noheading

Saeedeh Shekarpour
type: Person
room: 5-22
template option: minimal
Business Card: [Office Leipzig]
current project: SINA

Sebastian Hellmann
type: Person
publication tag: hellmann
room: 5-10
Business Card: [Office Leipzig]
hidden label: SebastianHellmann
current project: DL-Learner
current project: LOD2
current project: Navigational Knowledge Engineering
current project: NLP2RDF
nick: Wolf
past project: OntoWiki.eu
past project: Triplify
past project: xOperator

Sebastian Tramp
type: Person
publication tag: tramp
room: 5-08
template option: extended
Business Card: [Office Leipzig]
feed: rss
hidden label: Sebastian Dietzold
hidden label: SebastianDietzold
hidden label: SebastianTramp
current project: aksw.org
current project: DSSN
current project: Erfurt
current project: KeyNode.js
current project: LOD2
current project: Mobile Social Semantic Web
current project: OntoWiki
current project: RDFauthor
nick: Seebi
past project: Semantic LDAP
past project: LE4SW
past project: OntoWiki.eu
past project: OntoWiki Mobile
past project: SoftWiki
past project: Triplify
past project: xOperator

Dr. Sören Auer
type: Person
publication tag: auer
room: 5-09
template option: extended
Business Card: [Office Leipzig]
hidden label: SoerenAuer
name: Sören Auer
past project: LE4SW
past project: OntoWiki.eu
past project: Powl
past project: SoftWiki
past project: XML2OWL XSLT

Teaching
type: Document
main content: # Semantic Web Module Together with the Intelligent Systems department at Uni Leipzig, AKSW created the [master module Semanti Web](http://bis.informatik.uni-leipzig.de/de/Lehre/BAMA/SW). The module is usually held in the summer semester and consists of a lecture, a seminar and practical work. # Student Supervision AKSW actively supervises internships as well as bachelor and master thesis. Most of the thesis topics are related to Web technologies, Semantic Web, ontologies, information systems and data management. They are usually performed in the context of an AKSW Project. You can also have a look at [BIS Abschlussarbeiten](http://bis.informatik.uni-leipzig.de/de/Abschlussarbeiten). # Leipzig School of Media AKSW organizes and performs the master study course [Content- & Media-Engineering](http://www.leipzigschoolofmedia.de/master-content-and-media-engineering/) at Leipzig School of Media.

Thomas Riechert
type: Person
publication tag: riechert
room: 5-09
template option: extended
Business Card: [Office Leipzig]
hidden label: TRiechert
hidden label: ThomasRiechert
current project: SoftWiki

Timofey Ermilov
type: Person
publication tag: ermilov
room: 5-20
template option: minimal
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hidden label: TimofeyErmilov
current project: aksw.org
current project: DSSN
current project: Mobile Social Semantic Web
current project: OntoWiki

Alumni Project
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Incubator Project
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OpenSource Project
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button label
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hookline
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publication tag
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AutoSPARQL
type: Demo
demonstrates: AutoSPARQL
hookline: The aim of the AutoSPARQL is to provide robust question answering over RDF data by combining methods from several research areas.
screenshot: http://picasaweb.google.com/lh/view#5675267788504427426

LGD Browser / Editor
type: Demo
demonstrates: LinkedGeoData
hookline: is a javascript-based fullscreen browser and editor for geo-spatial data.

LOD2 Stack
type: Demo
demonstrates: LOD2
hookline: is an integrated demonstrator application for the tools of the LOD2 project.

OntoWiki
type: Demo
demonstrates: OntoWiki
hookline: is a semantic data wiki for publishing and consuming Linked Data in agile, distributed knowledge engineering scenarios.

HANNE
type: Demo
demonstrates: Navigational Knowledge Engineering
hookline: Holistic Application for Navigational Knowledge Engineering

LIMES
type: Demo
demonstrates: LIMES
hookline: is a tool for discovering links in the Web of data

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Snowball Stemmer NIF implementation.
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demonstrates: NLP2RDF
label: Stanford Core NIF implementation.

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abbrevation
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plural: Business Cards
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term status: unstable
userdocs: docs

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Research Group
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comment: A Research Group is a group of people recognised by an organization as forming a cohesive group referred to by the organization as a research group.
subclass of: Organization

RDFaCE
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demonstrates: RDFaCE
hookline: is an RDFa Content Editor based on TinyMCE

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demonstrates: SlideWiki
hookline: is a collaboration platform which enables communities to build, share and play online presentations

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