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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 Hits 1 – 20 of 38 1 RMIT University at TREC 2009: Web Track Garcia, Steven In: DTIC (2009) BASE Show details 2 A Novel Framework for Related Entities Finding: ICTNET at TREC 2009 Entity Track Zhai, Haijun; Cheng, Xueqi; Guo, Jiafeng... In: DTIC (2009) BASE Show details 3 Recognizing Connotative Meaning in Military Chat Communications Budlong, Emily R.; Walter, Sharon M.; Yilmazel, Ozgur In: DTIC (2009) BASE Show details 4 Metacognitive Awareness versus Linguistic Politeness: Expressions of Confusion in Tutorial Dialogues Campbell, Gwendolyn E.; Steinhauser, Natalie B.; Dzikovska, Myroslava... In: DTIC (2009) BASE Show details 5 Relevance Feedback based on Constrained Clustering: FDU at TREC 09 Wang, Bingqing; Huang, Xuanjing In: DTIC (2009) BASE Show details 6 Translation Memory Technology Assessment Van Ess-Dykema, Carol; Converse, Susan; White, John S... In: DTIC (2009) BASE Show details 7 A Journey in Entity Related Retrieval for TREC 2009 Pamarthi, Jagadish; Zhou, Guangxu; Bayrak, Coskun In: DTIC (2009) BASE Show details 8 ICTNET at Web Track 2009 Diversity task Bi, Wenjing; Yu, Xiaoming; Liu, Yue... In: DTIC (2009) BASE Show details 9 Lucene for n-grams using the ClueWeb Collection Newby, Gregory B.; Fallen, Chris; McCormick, Kylie In: DTIC (2009) BASE Show details 10 BIT at TREC 2009 Faceted Blog Distillation Task Jiang, Peng; Yang, Qing; Zhang, Chunxia... In: DTIC (2009) BASE Show details 11 Recovering Asynchronous Watermark Tones from Speech Morris, Robert; Johnson, Ralph; Goncharoff, Vladimir... In: DTIC (2009) BASE Show details 12 Sparse Matrix Factorization: Applications to Latent Semantic Indexing Moulding, Erin; Kontostathis, April; Spiteri, Raymond J. In: DTIC (2009) Abstract: This article describes the use of Latent Semantic Indexing (LSI) and some of its variants for the TREC Legal batch task. Both folding-in and Essential Dimensions of LSI (EDLSI) appeared as if they might be successful for recall-focused retrieval on a collection of this size. Furthermore, we developed a new LSI technique, one which replaces the Singular Value Decomposition (SVD) with another technique for matrix factorization, the sparse column-row approximation (SCRA). We were able to conclude that all three LSI techniques have similar performance. Although our 2009 results showed significant improvement when compared to our 2008 results, the use of a better method for selection of the parameter K, which is the ranking that results in the best balance between precision and recall, appears to have provided the most benefit. ; Proceedings of the Eighteenth Text REtrieval Conference (TREC 2009) held in Gaithersburg, Maryland, November 17-20, 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: *INFORMATION RETRIEVAL; *LSI(LATENT SEMANTIC INDEXING); *SUBJECT INDEXING; BATCH PROCESSING; BOOLEAN ALGEBRA; CANADA; COLLECTION; DOCUMENTS; ESSENTIAL DIMENSIONS; Information Science; Linguistics; PARAMETERS; PRECISION; RECALL; SCRA(SPARSE COLUMN-ROW APPROXIMATION); SPARSE MATRIX; SVD(SINGULAR VALUE DECOMPOSITION); SYMPOSIA URL: http://www.dtic.mil/docs/citations/ADA517770 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA517770 BASE Hide details 13 IRRA at TREC 2009: Index Term Weighting based on Divergence From Independence Model Dincer, Bekir T.; Kocabase, Ilker; Karaoglan, Bahar In: DTIC (2009) BASE Show details 14 Semantic Search Martell, Craig In: DTIC (2009) BASE Show details 15 Delft University at the TREC 2009 Entity Track: Ranking Wikipedia Entities Serdyukov, Pavel; de Vries, Arjen In: DTIC (2009) BASE Show details 16 POSTECH at TREC 2009 Blog Track: Top Stories Identification Lee, Yeha; Jung, Hun-young; Song, Woosang... In: DTIC (2009) BASE Show details 17 Entity Retrieval by Hierarchical Relevance Model, Exploiting the Structure of Tables and Learning Homepage Classifiers Fang, Yi; Si, Luo; Yu, Zhengtao... In: DTIC (2009) BASE Show details 18 University of Padua at TREC 2009: Relevance Feedback Track Di Buccio, Emanuele; Melucci, Massimo In: DTIC (2009) BASE Show details 19 Related Entity Finding Based on Co-Occurrence Bron, Marc; Balog, Krisztian; Rijke, Maarten de In: DTIC (2009) BASE Show details 20 Result Diversity and Entity Ranking Experiments: Anchors, Links, Text and Wikipedia Kaptein, Rianne; Koolen, Marijn; Kamps, Jaap In: DTIC (2009) BASE Show details Page: 1 2

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