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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 Hits 1 – 11 of 11 1 Relevance Feedback based on Constrained Clustering: FDU at TREC 09 Wang, Bingqing; Huang, Xuanjing In: DTIC (2009) Abstract: We introduce our participation of the TREC Relevance Feedback(RF) TRACK in 2009. The RF09 TRACK is focused on the explicit relevant feedback, where a few relevant and irrelevant documents are available to each query. Our system is implemented under the framework of probabilistic language model. We apply the constrained clustering on the top returned documents and extract the expanded words to reform the query. We also extract the named entities from the explicit relevant documents to expand the query. The experiment was conducted on the ClueWeb09 TREC Category B, which is a new and huge test collection for the TREC TRACKs. The evaluation result shows the performance of the constrained clustering. ; Presented at the Text REtrieval Conference (TREC 2009, 18th) held in Gaithersburg, Maryland on 17-20 November 2009. Published in the Proceedings of the Text REtrieval Conference (TREC 2009, 18th), 2009. The conference was co-sponsored by the National Institute of Standards and Technology (NIST), the Defense Advanced Research Projects Agency (DARPA), and the Advanced Research and Development Activity (ARDA). The original document contains color images. Keyword: *CLUSTERING; *FEEDBACK; *INFORMATION RETRIEVAL; *INFORMATION SCIENCES; *INTERNET; *RF(RELEVANCE FEEDBACK); CHINA; COLLECTION; Computer Programming and Software; CONSTRAINED CLUSTERING; Equipment and Methods; EXPANSION; FOREIGN REPORTS; Information Science; INTERNET BROWSERS; LANGUAGE; Linguistics; MATHEMATICAL MODELS; PROBABILITY; QUERIES(INFORMATION SCIENCES); RELEVANCE(INFORMATION SCIENCES); REPRINTS; SOCIAL COMMUNICATION; SYMPOSIA; TEST AND EVALUATION; Test Facilities; WORDS(LANGUAGE) URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA517715 http://www.dtic.mil/docs/citations/ADA517715 BASE Hide details 2 Techniques for Automatically Generating Biographical Summaries from News Articles Esparza, Matthew W. In: DTIC (2007) BASE Show details 3 Headline Generation for Written and Broadcast News Zajic, David; Dorr, Bonnie; Schwartz, Richard In: DTIC (2005) BASE Show details 4 NLP Track at TREC-5 Strzalkowski, Tomek; Jones, Karen S. In: DTIC (1996) BASE Show details 5 Focus of Tipster Phases I and 2 Altomari, Patrick J; Currier, Patricia A In: DTIC (1996) BASE Show details 6 Domain and Language Evaluation Results Okurowski, Mary E. In: DTIC (1993) BASE Show details 7 Tipster Shogun System (Joint GE-CMU): MUC-4 Test Results and Analysis Krupka, George; Jaco, Paul; Mauldin, Michael... In: DTIC (1992) BASE Show details 8 GE-CMU: Description of the Tipster/Shogun System as Used for MUC-4 Jacobs, Paul; Krupka, George; Rau, Lisa... In: DTIC (1992) BASE Show details 9 BBN PLUM: MUC-4 Test Results and Analysis Weischedel, Ralph; Ayuso, Damaris; Boisen, Sean... In: DTIC (1992) BASE Show details 10 BBN HARC and DELPHI Results on the ATIS Benchmarks - February 1991 Austin, S.; Ayuso, D.; Bates, M.... In: DTIC (1991) BASE Show details 11 BBN PLUM: MUC-3 Test Results and Analysis Weischedel, Ralph; Ayuso, Damaris; Boisen, Sean... In: DTIC (1991) BASE Show details

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