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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 3 4 5 6 Hits 1 – 20 of 102 1 Arabic Natural Language Processing System Code Library Tratz, Stephen C In: DTIC (2014) BASE Show details 2 Teaching Intelligence Analysis with TIACRITIS Tecuci, G.; Schum, D.; Boicu, M.... In: DTIC (2010) BASE Show details 3 POSTECH at TREC 2009 Blog Track: Top Stories Identification Lee, Yeha; Jung, Hun-young; Song, Woosang... In: DTIC (2009) BASE Show details 4 A Study of Topic and Topic Change in Conversational Threads Cowan-Sharp, Jessy In: DTIC (2009) Abstract: This thesis applies Latent Dirichlet Allocation (LDA) to the problem of topic and topic change in conversational threads using e-mail. We demonstrate that LDA can be used to successfully classify raw e-mail messages with threads to which they belong, and compare the results with those for processed threads, where quoted and reply text have been removed. Raw thread classification performs better, but processed threads show promise. We then present two new, unsupervised techniques for identifying topic change in e-mail. The first is a keyword clustering approach using LDA and DBSCAN to identify clusters of topics, and transition points between them. The second is a sliding window technique which assesses the current topic for every window, identifying transition points. The keyword clustering performs better than the sliding window approach. Both can be used as a baseline for future work. ; The original document contains color images. Keyword: *CLUSTERING; *E-MAIL; *ELECTRONIC MAIL; *EMAIL; *LDA(LATENT DIRICHLET ALLOCATION); *SOCIAL COMMUNICATION; *THREADS(EMAIL); *TOPICS; CLASSIFICATION; Command; Computer Programming and Software; Control and Communications Systems; DBSCAN COMPUTER PROGRAM; DBSCAN PYTHON; INDEX TERMS; Information Science; KEYWORDS; Linguistics; SLIDING; STOPWORDS; THESES; WINDOWS URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA508982 http://www.dtic.mil/docs/citations/ADA508982 BASE Hide details 5 Experiments on Related Entity Finding Track at TREC 2009 Yang, Qing; Jiang, Peng; Zhang, Chunxia... In: DTIC (2009) BASE Show details 6 PARADISE Based Search Engine at TREC 2009 Web Track Shan, Dongdong; Zhao, Dongsheng; He, Jing... In: DTIC (2009) BASE Show details 7 DERI at TREC 2008 Enterprise Search Track Cummins, Ronan; O'Riordan, Colm In: DTIC (2008) BASE Show details 8 Linking Semantic and Knowledge Representations in a Multi-Domain Dialogue System Dzikovska, Myroslave O.; Allen, James F.; Swift, Mary D. In: DTIC (2007) BASE Show details 9 Sparse Information Extraction: Unsupervised Language Models to the Rescue Downey, Doug; Schoenmackers, Stefan; Etzioni, Oren In: DTIC (2007) BASE Show details 10 Mitre's Qanda at TREC-11 Burger, John D.; Ferro, Lisa; Greiff, Warren... In: DTIC (2006) BASE Show details 11 A GH-Based Ontology to Support Applications for Automating Decision Support Loaiza, Francisco L.; Wartik, Steven P. In: DTIC (2005) BASE Show details 12 UML Design and Auto-Generated Code: Issues and Practical Solutions Lipkin, Ilya; Huber, A. K. In: DTIC (2005) BASE Show details 13 Shifting the Computational Paradigm Stein, Lynn A. In: DTIC AND NTIS (2004) BASE Show details 14 IBM's PIQUANT in TREC2003 Prager, John; Chu-Carroll, Jennifer; Czuba, Krzysztof... In: DTIC (2003) BASE Show details 15 Consolidating the Results of the CIRCSIM-Tutor Project and Further Consolidation of the Results of the CIRCSIM-Tutor Project Evens, Martha W. In: DTIC AND NTIS (2003) BASE Show details 16 Towards a Computational Model of Sketching Forbus, Kenneth D.; Ferguson, Ronald W.; Usher, Jeffrey M. In: DTIC (2000) BASE Show details 17 A Statistical Approach to the Generation of a Database for Evaluating OCR Software Brundick, Frederick S.; Brodeen, Ann E.; Taylor, Malcolm S. In: DTIC AND NTIS (2000) BASE Show details 18 Technical Opportunities to Help with the Year 2000 Problem Reps, Thomas W. In: DTIC AND NTIS (1997) BASE Show details 19 A Sound Polymorphic Type System for a Dialect of C (PREPRINT) Smith, Geoffrey; Volpano, Dennis In: DTIC (1997) BASE Show details 20 Applying the SCR Requirements Specification Method to Practical Systems: A Case Study Bharadwaj, Ramesh; Heitmeyer, Connie In: DTIC (1996) BASE Show details Page: 1 2 3 4 5 6

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