Publications - Processwise

Chronological | Processwise | Topicwise
Books
  • Shah, C. (2012). Collaborative Information Seeking: The Art and Science of Making the Whole Greater than the Sum of All. The Information Retrieval Series, Vol. 34. Springer. ISBN 978-3-642-28812-8.

Book Chapters (refereed)
  • Shah, C. (In Press). Politics 2.0 with Facebook. In J. Bishop (Ed.), Politics and Policy in the Information Age. Springer: Berlin, Germany.
  • Shah, C. (2012). Coagmento - A Case Study in Designing User-Centric Collaborative Information Seeking System. In: Curras E, Lloret N (Ed.). System Science and Collaborative Information Systems: Theories, Practices and New Research. IGI Global; Hershey, PA.
  • Shah, C. (2010). Collaborative Information Seeking: A Literature Review, in Anne Woodsworth (ed.) Advances in Librarianship (Advances in Librarianship, Volume 32), Emerald Group Publishing Limited, pp.3-33.
  • Shah, C. (2010). Designs for Systems to Support Collaborative Information Behavior. Book chapter in Foster, Jonathan (Ed.). Collaborative Information Behavior (pp. 141-159). IGI Global, Hershey PA.

Journal Articles (refereed)
  • Shah, C. (In Press). Collaborative Information Seeking. Journal of American Society of Information Science & Technology (JASIST).
  • Shah, C. (2013). Effects of awareness on coordination in collaborative information seeking. Journal of the American Society for Information Science and Technology, 64(6), 1122–1143.
  • Gonzalez-Ibanez, R., Haseki, M., and Shah, C. (2013). Let's Search Together, But Not Too Close! An Analysis of Communication and Performance in Collaborative Information Seeking. Information Processing & Management.
  • Read, P., Shah, C., S-O'Brien, L., & Woolcott, J. (2012). "Story of One's Life and a Tree of Friends" - Understanding Millennials' Information Behavior in Social Networks. Journal of Information Science (JIS), 38(5), 489-497. . [Also a featured article in November 2012 issue of The Informed Librarian Online.]
  • File, C., and Shah, C. (2012). InfoExtractor – A Tool for Social Media Data Mining. Journal of Information Technology & Politics, 9(3), 269-278.
  • Shah, C., & Kitzie, V. (2012). Social Q&A and Virtual Reference – Comparing Apples and Oranges With the Help of Experts and Users. Journal of American Society of Information Science & Technology (JASIST), 63(10), 2020-2036.
  • Shah, C., Gonzalez-Ibanez, R. (2012). Spatial context in collaborative information seeking. Journal of Information Science. Vol. 38, 333-349.
  • Shah, C., Hansen, P. & Capra, R. (2012). Report on the Second Workshop on Collaborative Information Seeking: New Orleans, 12 October, 2011. Information Research, 17(2) paper 520.
  • Baym, G, and Shah, C. (2011). CIRCULATING STRUGGLE -- The on-line flow of environmental advocacy clips from The Daily Show and The Colbert Report. Information, Communication & Society,
  • Shah, C. (2011). Measuring effectiveness and user satisfaction in Yahoo! Answers. First Monday; 16(2). February 7, 2011.
  • Shah, C., and Marchionini, Gary (2010). Awareness in Collaborative Information Seeking. Journal of American Society of Information Science and Technology (JASIST), 61(10), 1970-1986.
  • Shah, C., Pickens, Jeremy, and Golovchinsky, Gene (2010). Role-Based Results Redistribution for Collaborative Information Retrieval. Journal of Information Processing and Management (IP&M), 46(6), 773-781.
  • Sayre, Ben; Bode, Leticia; Shah, Dhavan; Wilcox, Dave; and Shah, C. (2010). Agenda Setting in a Digital Age: Tracking Attention to California Proposition 8 in Social Media, Online News and Conventional News. Policy & Internet: Vol. 2: Iss. 2, Article 2.
  • Shah, C. (2010). Supporting Research Data Collection from YouTube with TubeKit. Journal of Information Technology & Politics (JITP), 7(2-3), 226-240.
  • Kelly, Diane, Fu, Xin, and Shah, C. (2010). Effects of Position and Number of Relevant Documents Retrieved on Users' Evaluations of System Performance. ACM Transactions on Information Science (TOIS), 28(2), 9:1-29.
  • Sayre, Ben, Bode, Leticia, Shah, Dhavan, Wilcox, Dave, and Shah, C. (in press). Message Flows in a Digital Age: Tracking Attention to Prop. 8 in Social Media and Conventional News. To be published in Journal of Policy & Internet.
  • Thorson, Kjerstin, Borah, Porismita, Ekdale, Brian, Namkoong, Kang, and Shah, C. (in press). YouTube and Proposition 8: a case study in video activism. To be published in Journal of Information, Communication, and Society (iCS).
  • Shah, C., Oh, Sanghee, and Oh, Jung Sun (2009). Research agenda for Social Q&A. Library & Information Science Research (LISR), 31(4), 205-209.
  • Shah, C. (2009). ContextMiner: Supporting the Mining of Contextual Information for Ephemeral Digital Video Preservation. International Journal of Digital Curation (IJDC), 4(2).
  • Shah, C. (2009). Mining Contextual Information for Ephemeral Digital Video Preservation. International Journal of Digital Curation (IJDC), 4(1).
  • Shah, C. and Eguchi, Koji (2008). Improving document representation for Story Link Detection by Modeling Term Topicality. IPSJ Transactions on Databases, 1 (3), 11-19.
  • Shah, C., Oh, Jung Sun, and Oh, Sanghee (2008). Exploring characteristics and effects of user participation in online social Q&A sites. First Monday, 13(9).

Journal/Magazine Articles (invited)
  • Shah, C. (2009). What Do You Look Like on YouTube? Politics Magazine. July 2009.
  • Shah, C. (2009). ContextMiner: Explore Globally, Aggregate Locally. IEEE Computer. March 2009.
  • Shah, C. (2009). TubeKit - A Query-based YouTube Crawling Toolkit. Bulletin of IEEE Technical Committee on Digital Libraries, 5(1), Spring 2009.
  • Shah, C., and Marchionini, Gary (2008). Capturing Relevant Information for Digital Curation. Bulletin of IEEE Technical Committee on Digital Libraries, 4(1), Spring 2008.
  • Shah, C., and Marchionini, Gary (2008). ContextMiner: A Tool for Digital Library Curators. Bulletin of IEEE Technical Committee on Digital Libraries, 4(1), Spring 2008.
  • Shah, C. (2008). Understanding System Implementation and User Behavior in a Collaborative Information Seeking Environment. Bulletin of IEEE Technical Committee on Digital Libraries, 4(2), Fall 2008.

Conference Proceedings (refereed)
  • Shah, C., Liu, J., Gonzalez-Ibanez, R., Belkin, N. (2012). Exploration of Dynamic Query Suggestions and Dynamic Search Results For Their Effects on Search Behaviors. Proceedings of American Society of Information Science & Technology (ASIST) Annual Meeting. Baltimore, MD: October 26-30, 2012.
  • Choi, E., Kitzie, V., & Shah, C. (2013). A Machine Learning-Based Approach to Predicting Success of Questions on Social Question-Answering. Proceedings of iConference 2013. Fort Worth, TX: February 12-15, 2013.
  • Choi, E., Scott, C., & Shah, C. (2013). Effects of User Identity Information On Key Answer Outcomes in Social Q&A. Proceedings of iConference 2013. Fort Worth, TX: February 12-15, 2013.
  • Shah, C., Liu, J., Gonzalez-Ibanez, R., Belkin, N. (2012). Exploration of Dynamic Query Suggestions and Dynamic Search Results For Their Effects on Search Behaviors. Proceedings of American Society of Information Science & Technology (ASIST) Annual Meeting. Baltimore, MD: October 26-30, 2012.
  • Haseki, M., Gonzalez-Ibanez, R., Shah, C. (2012). Communication and Performance Across Different Communication Contexts in a Collaborative Information Seeking Task: A Mixed Method Approach. In Proceedings of International Communication Association (ICA) Conference. May 24-28, 2012. Pheonix, AZ.
  • Shah, C., & Kitzie, V. (2012). Modalities, Motivations, and Materials: Investigating Traditional and Social Online Q&A Services. Proceedings of Association for Library & Information Science Education (ALISE) Annual Meeting. January 17-20, 2012. Dallas, Texas.
  • Gonzalez-Ibanez, R., Shah, C., & Cardova, N. R. (2011). Smile! Studying Expressivity of Happiness as a Synergic Factor in Collaborative Information Seeking. Proceedings of American Society of Information Science & Technology (ASIST) Annual Meeting. October 9-12, 2011. New Orleans, Lousiana.
  • S-O'Brien, L., Read, P., Woolcott, J., & Shah, C. (2011). Understanding privacy behaviors of Millennials within social networking sites. Proceedings of American Society of Information Science & Technology (ASIST) Annual Meeting. October 9-12, 2011. New Orleans, Lousiana.
  • Shah, C., and Gonzalez-Ibanez, R. (2011). Evaluating the Synergic Effect of Collaboration in Information Seeking. In Proceedings of ACM SIGIR 2011. Beijing, China. July 24-28, 2011.
  • Baym, G., and Shah, C. (2011). The Online Flow of Environmental Advocacy Clips From The Daily Show and The Colbert Report. In Proceedings of International Communication Association (ICA) Conference. May 26-30, 2011. Boston, MA. (Top Faculty Award)
  • Shah, C., and Yazdani nia, T. (2011). Politics 2.0 with Facebook - Collecting and Analyzing Public Comments on Facebook for Studying Political Discourses. In Proceedings of the Journal of Information Technology and Politics (JITP) Conference. May 16-17, 2011. Seattle, WA.
  • Shah, C., and File, C. (2011). InfoExtractor - A Tool for Social Media Data Mining. In Proceedings of the Journal of Information Technology and Politics (JITP) Conference. May 16-17, 2011. Seattle, WA.
  • Shah, C., and Gonzalez-Ibanez, Roberto (2010). Exploring Information Seeking Processes in Collaborative Search Tasks. In Proceedings of American Society of Information Science and Technology (ASIST). Pittsburgh, PA. October 22-27, 2010.
  • Shah, C., and Pomerantz, Jeffrey (2010). Evaluating and Predicting Answer Quality in Community QA. Proceedings of ACM SIGIR 2010 Conference. Geneva, Switzerland: July 19-23, 2010.
  • Sayre, Ben, Bode, Leticia, Wilcox, Dave, Shah, Dhavan V., and Shah, C. (2009). Message flows in a digital age: tracking attention to Prop. 8 in social media and conventional news. Proceedings of Association of Internet Researchers (AOIR) Conference. Milwaukee, Wisconsin: October 8-10, 2009.
  • Edgerly, Stephanie, Vraga, Emily, Fung, Timothy, Moon, Tae Joon, Yoo, Woo Hyun, Veenstra, Aaron, and Shah, C. (2009). YouTube as a public sphere: the Proposition 8 debate. Proceedings of Association of Internet Researchers (AOIR) Conference. Milwaukee, Wisconsin: October 8-10, 2009.
  • Lee, Christopher A., Marciano, Richard, Hou, Chien-yi, Shah, C. (2009). Mainstreaming Preservation through Slicing and Dicing of Digital Repositories: Investigating Alternative Service and Resource Options for ContextMiner Using Data Grid Technology. Proceedings of iPRES 2009. San Francisco: October 5-6, 2009.
  • Marchionini, Gary, Shah, C., Lee, Christopher A., Capra, Robert (2009). Query Parameters for Harvesting Digital Video and Associated Contextual Information. Proceedings of IEEE ACM Joint Conference on Digital Libraries (JCDL) 2009. Austin, Texas: June 15-19, 2009.
  • Shah, C. (2009). Supporting Research Data Collection from YouTube with TubeKit. Proceedings of YouTube and 2008 Election Cycle in the United States. Amherst, MA: April 16-17, 2009. (3rd prize)
  • Shah, C., Marchionini, Gary, and Kelly, Diane (2009). Learning Design Principles for a Collaborative Information Seeking System. Proceedings of ACM SIGCHI Conference 2009. Boston, MA: April 4-9, 2009.
  • Shah, C., and Marchionini, Gary (2008). Hunting for Hip, Hipsters, and Happenings on YouTube. Proceedings of ASIST 2008 Annual Meeting. Columbus, OH: October 24-29, 2008.
  • Oh, Sanghee, Oh, Jung Sun, and Shah, C. (2008). The Use of Information Sources by the Internet Users in Answering Questions. Proceedings of ASIST 2008 Annual Meeting. Columbus, OH: October 24-29, 2008.
  • Pickens, Jeremy, Golovchinsky, Gene, Shah, C., Qvarfordt, Pernilla, and Back, Maribeth (2008). Algorithmic Mediation for Collaborative Exploratory Search. Proceedings of ACM SIGIR 2008 Conference. Singapore: July 20-24, 2008. (Best Paper Award)
  • Capra, Robert, Lee, Christopher A., Marchionini, Gary, Russell, Terrell, Shah, C., and Stutzman, Fred (2008). Selection and Context Scoping for Digital Video Collections: An Investigation of YouTube and Blogs. Proceedings of IEEE ACM Joint Conference on Digital Libraries (JCDL) 2008. Pittsburgh, PA: June 16-20, 2008.
  • Kelly, Diane, Shah, C., Sugimoto, Cassidy R., Bailey, Earl W., Clemens, Rachel A., Irvine, Ann K., Johnson, Nicholas A., Ke, Weimao, Oh, Sanghee, Poljakova, Anezka, Rodriguez, Marcos A., van Noord, Megan G., and Zhang, Yan (2008). The effects of performance feedback on users' evaluations of an interactive IR system. Proceedings of the 2nd Symposium on Information Interaction in Context (IIiX). London, UK: Oct. 14-17, 2008.
  • Shah, C. and Eguchi, Koji (2007). Use of Topicality and Information Measures to Improve Document Representation for Story Link Detection. Proceedings of European Conference on Information Retrieval (ECIR) 2007. Rome, Italy: April 2-5, 2007.
  • Shah, C. and Croft, W. Bruce (2004). Evaluating High Accuracy Retrieval Techniques. Proceedings of ACM SIGIR 2004. Sheffield, UK: July 25-29, 2004.
  • Shah, C. and Bhattacharyya, Pushpak (2003). Improving Document Vectors Representation using Semantic Links and Attributes. Proceedings of International Conference on Natural Language Processing (ICON) 2003. Mysore, India: December 2003.
  • Shah, C., Chaudhary, Bhoopesh, and Bhattacharyya, Pushpak (2002). Constructing Better Document Vectors Using Universal Networking Language (UNL). Proceedings of International Conference on Knowledge Based Systems (KBCS) 2002. Mumbai, India: December 2002.
  • Shah, C. and Bhattacharyya, Pushpak (2002). A Study for Evaluating the Importance of Various Parts of Speech (POS) for Information Retrieval (IR). Proceedings of International Conference on Universal Knowledge and Language (ICUKL) 2002. Goa, India: November 2002.

Conference Posters and Demos (refereed)
  • Gonzalez-Ibanez, R., Haseki, M., and Shah, C. (2012). Understanding Effects of Time and Proximity on Collaboration: Implications for Technologies to Support Collaborative Information Seeking. Work-in-Progress at ACM CHI 2012 Conference. May 5-10: Austin, TX.
  • Haseki, M., Shah, C., Gonzalez-Ibanez, R. (2012). Time as a Trigger of Interaction and Collaboration in Research Teams: A Diary Study. Poster in Proceedings of Computer-Supported Cooperative Work (CSCW) Conference. February 11-15, 2012. Seattle, Washington.
  • Gonzalez-Ibanez, R., & Shah, C. (2011). Coagmento - A System for Supporting Collaborative Information Seeking. Demo in Proceedings of ASIST Annual Meeting. New Orleans, LA.
  • Kitzie, V., & Shah, C. (2011). Faster, Better, or Both? Looking at Both Sides of Online Question-Answering Coin. Poster in Proceedings of American Society of Information Science & Technology (ASIST) Annual Meeting. New Orleans, Lousiana.
  • Shah, C. (2010). Coagmento- A Collaborative Information Seeking, Synthesis and Sense-Making Framework. Integrated demo at CSCW 2010. February 6-11, 2010. Savannah, Georgia.
  • Oh, Jung Sun, Shah, C., and Oh, Sanghee (2009). User Participation Patterns Over Time in Yahoo! Answers. Poster in Proceedings of ASIST 2009 Annual Meeting. Vancouver, BC, Canada: November 6-11, 2009.
  • Lee, Christopher A., Marciano, Richard, Hou, Chien-yi, and Shah, C. (2009). From harvesting to cultivating: transformation of a Web collecting system into a robust curation environment. Poster in Proceedings of IEEE ACM Joint Conference on Digital Libraries (JCDL) 2009. Austin, Texas: June 15-19, 2009.
  • Shah, C. (2009). ContextMiner - explore globally, aggregate locally. Demo in Proceedings of IEEE ACM Joint Conference on Digital Libraries (JCDL) 2009. Austin, Texas: June 15-19, 2009.
  • Shah, C. (2009). ContextMiner - Collect Different. Demo at DigCCurr 2009. Chapel Hill, NC: April 1-3, 2009.
  • Shah, C. (2009). TubeKit - A Query-based YouTube Crawling Toolkit. Demo in Proceedings of IEEE ACM Joint Conference on Digital Libraries (JCDL) 2008. Pittsburgh, PA: June 16-20, 2008.
  • Marchionini, Gary, Tibbo, Helen, Shah, C., and Lee, Christopher A (2007). Telling the Whole Story: Selecting and Collecting Web-Based Videos for Archival Collections. Poster in Proceedings of Digital Curation Conference (DCC). Washington, DC, USA: December 2007.
  • Shah, C., Kelly, Diane, and Fu, Xin (2007). Making Mind and Machine Meet - A Study of Combining Cognitive and Algorithmic Relevance Feedback. Poster in Proceedings of ACM SIGIR 2007 Conference. Amsterdam, The Netherlands: July 23-27, 2007.
  • Fu, Xin, Kelly, Diane, and Shah, C. (2007). Using Collaborative Queries to Improve Retrieval for Difficult Topics. Poster in Proceedings of ACM SIGIR 2007 Conference. Amsterdam, The Netherlands: July 23-27, 2007.
  • Shah, C. and Marchionini, Gary (2007). DiscoverInfo: A Tool for Discovering Information with Relevance and Novelty. Demo in Proceedings of ACM SIGIR 2007 Conference. Amsterdam, The Netherlands: July 23-27, 2007.
  • Shah, C. and Marchionini, Gary (2007). Capturing Relevant Information for Digital Curation. Poster in Proceedings of IEEE ACM Joint Conference on Digital Libraries (JCDL) 2007. Vancouver, BC, Canada. June 18-23, 2007.
  • Shah, C. and Marchionini, Gary (2007). ContextMiner: A Tool for Digital Curator. Demo in Proceedings of IEEE ACM Joint Conference on Digital Libraries (JCDL) 2007. Vancouver, BC, Canada: June 18-23, 2007.
  • Shah, C., W. Bruce Croft and David Jensen (2006). Representing Documents with Named Entities for Story Link Detection (SLD). Poster in Proceedings of International Conference on Information and Knowledge Management (CIKM) 2006. Arlington VA, USA: October 2006.
  • Shah, C. and Khan, A. Nayeemulla (2001). Spoken Document Retrieval (SDR) for Broadcast News in Indian Languages. Poster in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2001. Salt Lake City UT, USA: May 2001.

Workshop Papers (refereed)
  • Shah, C. (2013). Collaborative Information Seeking (CIS): Challenges and Opportunities. Proceedings of the Third Workshop on Collaborative Information Seeking at CSCW 2013 Conference. February 24, 2013. San Antonio, TX.
  • Shah, C. (2010). Information derivatives - a new way to examine information propagation. Proceedings of Workshop on Human Computer Interaction and Retrieval (HCIR) 2010. August 22, 2010. New Brunswick, NJ.
  • Shah, C. (2010). Working in Collaboration - What, Why, and How? Proceedings of Collaborative Information Retrieval workshop at CSCW 2010. Savannah, GA: February 7, 2010.
  • Shah, C. and Marchionini, Gary (2009). Query reuse in exploratory search tasks. Poster at Workshop on Human-Computer Interaction and Information Retrieval (HCIR) 2009. Washington, DC: October 23, 2009.
  • Shah, C. (2009). Lessons and Challenges for Collaborative Information Seeking (CIS) Systems Developers. Proceedings of Collaborative Information Behavior Workshop at GROUP 2009. Sanibel Island, Florida: May 10, 2009.
  • Marchionini, Gary, Capra, Robert, and Shah, C. (2008). Focus on results: personal and group information seeking over time. Poster at Workshop on Human-Computer Interaction and Information Retrieval (HCIR) 2008. Seattle, WA: October 23, 2008.
  • Shah, C. (2008). Toward Collaborative Information Seeking (CIS). Proceedings of Collaborative Exploratory Search workshop at JCDL 2008. Pittsburgh, PA: June 20, 2008.
  • Shah, C. and Marchionini, Gary (2007). Preserving 2008 US Presidential Election Videos. Proceedings of International Web Archiving Workshop (IWAW). Vancouver, BC, Canada: June 23, 2007.
  • Shah, C. and Gupta, Rakesh (2005). Building Plans for Household Tasks from Distributed Knowledge. Poster in Proceedings of IJCAI 2005 Workshop - Modeling Natural Action Selection (MNAS). Edinburgh, UK: July 2005.

Doctoral Consortium (refereed)
  • Shah, C. (2008). Understanding System Implementation and User Behavior in a Collaborative Information Seeking Environment. Doctoral Consortium at SIGIR 2008. Singapore: July 20, 2008.
  • Shah, C. (2008). Understanding System Implementation and User Behavior in a Collaborative Information Seeking Environment. Doctoral Consortium at JCDL 2008. Pittsburgh, PA: June 16, 2008.

Panels (refereed)
  • Radford, Marie L., Connaway, Lynn Silipigni, Pomerantz, Jeffrey, Shah, C., Oh, Jung Sun, Oh, Sanghee, and Gazan, Rich (2009). Opportunities, Threats, & Theoretical Approaches: Research in Traditional and Social Virtual Reference Quality. Peer-reviewed panel at ASIST 2009 Annual Meeting. Vancouver, BC, Canada: November 6-11, 2009.
  • Shachaf, Pnina, Rosenbaum, Howard, Abels, Eileen, Radford, Marie, Connaway, Lynn, Gazan, Rich and Shah, C. (2009). Social Reference and Digital Reference: Online question answering practices in two diverse communities. Peer-reviewed panel at ASIST 2009 Annual Meeting. Vancouver, BC, Canada: November 6-11, 2009.

Technical Reports
  • Marchionini, Gary, Tibbo, Helen, Lee, Cal A., Jones, Paul, Capra, Robert, Geisler, Gary, Russell, Terrell, Shah, C., Sheble, Laura, Jorda, Sarah, Song, Yaxiao, Howard, Dawne E., Clemens, Rachael, and Hill, Brenn. VidArch: Preserving Video Objects and Context Final Report. SILS Technical Report TR-2009-01. June 2009. UNC Chapel Hill.
  • Eguchi, Koji and Shah, C. (2006). Opinion Retrieval Experiments using Generative Models (Notebook Version). TREC 2006. NIST, Gaithersburg: November 2006.
  • Shah, C. (2006). Story Link Detection (SLD) Using Relational Knowledge Discovery. MS Thesis. UMass Amherst: April 2006.
  • Nallapati, Ramesh, and Shah, C. (2005). Evaluating the Quality of Query Refinement Suggestions in Information Retrieval. Technical report #IR-521. CIIR, UMass Amherst: April 2005.
  • Connell, Margaret, Feng, Ao, Kumaran, Giridhar, Raghavan, Hema, Shah, C., and Allan, James (2004). UMass at TDT 2004 (Notebook Version). Topic Detection and Tracking (TDT) 2004. NIST, Gaithersburg: December 2004.
  • Ramakirshnan, Ganesh, Bellare, Kedar, Shah, C., and Paranjpe, Deepa (2003). Generic Text Summarization Using WordNet for Novelty and HARD (Notebook Version). TREC 2003. NIST, Gaithersburg: December 2003.
  • Shah, C. (2002). Text Documents Classification using Self-Organizing Map (SOM) for Information Retrieval. MTech Thesis. IIT Madras, India: January 2002.
  • Shah, C. (2002). Automatic Organization of Text Documents in Categories Using Self-Organizing Map (SOM). IEEE's Regional Student Paper Contest. (3rd prize)
  • Shah, C. (2000). EnCoversion System from English to Universal Networking Language (UNL). BE Project Dissertation. IIT Bombay, India: April 2000.

Patents
  • Gupta, Rakesh, and Shah, C.. Building Plans For Household Tasks From Distributed Knowledge. U.S. Patent Application No.: 11/296,020. Issued on May 6, 2008.