Open IE 4 Software License Agreement Open IE 4 Software (C) 2011-2012, University of Washington. All rights reserved. US patent number 7,877,343 and 12/970,155 patent pending The University of Washington (UW), Professor Oren Etzioni, Professor Mausam, Michael Schmitz, (Developers) give permission for you and your laboratory (University) to use Open IE 4. Open IE 4 is a system that extracts relational triples from text. Open IE 4 is protected by a United States copyright and patents. The National Science Foundation supported work on Open IE 4. Under University of Washington's patents 7,877,343 (issued) and 12/970,155 (patent pending), the UW grants to you the non-exclusive right to use patent claims practiced by the University of Washington's Open IE 4 software solely for non-commercial purposes and as long as you comply with the terms of this Open IE 4 Software License Agreement. UW and the Developers allow you to copy and modify Open IE 4 for non-commercial purposes, and to distribute modifications through GitHub or directly to the University of Washington, on the following conditions: 1. Open IE 4 is not used for any commercial purposes, or as part of a system which has commercial purposes. 2. Any software derived from Open IE 4 must carry prominent notices stating that you modified it along with the date modified. The derivative must also carry prominent notices stating that it is released under this Open IE 4 Software License Agreement If you wish to obtain Open IE 4 or to obtain any patent rights for any commercial purposes, you will need to contact the University of Washington to see if rights are available and to negotiate a commercial license and pay a fee. This includes, but is not limited to, using Open IE 4 to provide services to outside parties for a fee. In that case please contact: UW Center for Commercialization University of Washington 4311 11th Ave. NE, Suite 500 Seattle, WA 98105-4608 Phone: (206) 543-3970 Email: license@u.washington.edu 3. You retain in Open IE 4 and any modifications to Open IE 4, the copyright, trademark, patent or other notices pertaining to Open IE 4 as provided by UW. 4. You provide the Developers with feedback on the use of the Open IE 4 software in your research, and that the Developers and UW are permitted to use any information you provide in making changes to the Open IE 4 software. All bug reports and technical questions shall be sent to: afader@cs.washington.edu. Modifications may be communicated through GitHub pull requests at: https://github.com/knowitall/ 5. You acknowledge that the Developers, UW and its licensees may develop modifications to Open IE 4 that may be substantially similar to your modifications of Open IE 4, and that the Developers, UW and its licensees shall not be constrained in any way by you in UW's or its licensees' use or management of such modifications. You acknowledge the right of the Developers and UW to prepare and publish modifications to Open IE 4 that may be substantially similar or functionally equivalent to your modifications and improvements, and if you obtain patent protection for any modification or improvement to Open IE 4 you agree not to allege or enjoin infringement of your patent by the Developers, the UW or by any of UW's licensees obtaining modifications or improvements to Open IE 4 from the University of Washington or the Developers. 6. If utilization of the Open IE 4 software results in outcomes which will be published, please specify the version of Open IE 4 you used and cite the UW Developers. 7. Any risk associated with using the Open IE 4 software at your organization is with you and your organization. Open IE 4 is experimental in nature and is made available as a research courtesy "AS IS," without obligation by UW to provide accompanying services or support. UW AND THE AUTHORS EXPRESSLY DISCLAIM ANY AND ALL WARRANTIES REGARDING THE SOFTWARE, WHETHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES PERTAINING TO MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.