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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 22 1 Users' Manual and Validation of the Automated Grading System (AGS): Improving the Quality of Intelligence Summaries Using Feedback from an Unsupervised Model of Semantics Kwantes, Peter; Wulf, Ron; Stone, Benjamin In: DTIC (2012) BASE Show details 2 Enhancing a Web Crawler with Arabic Search Capability Nguyen, Qui V In: DTIC (2010) BASE Show details 3 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 4 Relevance Feedback based on Constrained Clustering: FDU at TREC 09 Wang, Bingqing; Huang, Xuanjing In: DTIC (2009) BASE Show details 5 A Journey in Entity Related Retrieval for TREC 2009 Pamarthi, Jagadish; Zhou, Guangxu; Bayrak, Coskun In: DTIC (2009) BASE Show details 6 ICTNET at Web Track 2009 Diversity task Bi, Wenjing; Yu, Xiaoming; Liu, Yue... In: DTIC (2009) BASE Show details 7 Lucene for n-grams using the ClueWeb Collection Newby, Gregory B.; Fallen, Chris; McCormick, Kylie In: DTIC (2009) BASE Show details 8 BIT at TREC 2009 Faceted Blog Distillation Task Jiang, Peng; Yang, Qing; Zhang, Chunxia... In: DTIC (2009) BASE Show details 9 Delft University at the TREC 2009 Entity Track: Ranking Wikipedia Entities Serdyukov, Pavel; de Vries, Arjen In: DTIC (2009) BASE Show details 10 POSTECH at TREC 2009 Blog Track: Top Stories Identification Lee, Yeha; Jung, Hun-young; Song, Woosang... In: DTIC (2009) BASE Show details 11 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 12 Result Diversity and Entity Ranking Experiments: Anchors, Links, Text and Wikipedia Kaptein, Rianne; Koolen, Marijn; Kamps, Jaap In: DTIC (2009) Abstract: In this paper, we document our efforts in participating to the TREC 2009 Entity Ranking and Web Tracks. We had multiple aims: For the Web Track's Adhoc task we experiment with document text and anchor text representation, and the use of the link structure. For the Web Track's Diversity task we experiment with using a top down sliding window that, given the top ranked documents, chooses as the next ranked document the one that has the most unique terms or links. We test our sliding-window method on a standard document text index and an index of propagated anchor texts. We also experiment with extreme query expansions by taking the top n results of the initial ranking as multi-faceted aspects of the topic to construct n relevance models to obtain n sets of results. A final diverse set of results is obtained by merging the n results lists. For the Entity Ranking Track, we also explore the effectiveness of the anchor text representation, look at the co-citation graph, and experiment with using Wikipedia as a pivot. Our main findings can be summarized as follows: Anchor text is very effective for diversity. It gives high early precision and the results cover more relevant sub-topics than the document text index. Our baseline runs have low diversity, which limits the possible impact of the sliding window approach. New link information seems more effective for diversifying text-based search results than the amount of unique terms added by a document. In the entity ranking task, anchor text finds few primary pages , but it does retrieve a large number of relevant pages. Using Wikipedia as a pivot results in large gains of P10 and NDCG when only primary pages are considered. Although the links between the Wikipedia entities and pages in the Clueweb collection are sparse, the precision of the existing links is very high. ; 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). Keyword: *CLUEWEB; *INFORMATION RETRIEVAL; *INTERNET; *NDCG(NORMALIZED DISCOUNTED CUMULATIVE GAIN); *SEMANTICS; *TEXT PROCESSING; *WEB TRACK COMPUTER SYSTEM; ANCHOR TEXT; BASE LINES; CATEGORY MAPPING; Computer Programming and Software; Equipment and Methods; FOREIGN REPORTS; INFORMATION PROCESSING; Information Science; INTERNET BROWSERS; Linguistics; LINK FILTERS; NETHERLANDS; PIVOTS; REPRINTS; SLIDING; SLIDING WINDOWS; SOCIAL COMMUNICATION; SYMPOSIA; TERM FILTERS; Test Facilities; TEXTBOOKS; WIKIPEDIA; WINDOWS URL: http://www.dtic.mil/docs/citations/ADA517853 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA517853 BASE Hide details 13 PRIS at 2009 Relevance Feedback track: Experiments in Language Model for Relevance Feedback Li, Si; Li, Xinsheng; Zhang, Hao... In: DTIC (2009) BASE Show details 14 A Study of Faceted Blog Distillation -- PRIS at TREC 2009 Blog Track Li, Si; Gao, Huiji; Gao, Juiji... In: DTIC (2009) BASE Show details 15 Experiments on Related Entity Finding Track at TREC 2009 Yang, Qing; Jiang, Peng; Zhang, Chunxia... In: DTIC (2009) BASE Show details 16 THUIR at TREC 2009 Web Track: Finding Relevant and Diverse Results for Large Scale Web Search Li, Z. C.; Chen, F.; Xing, Q. L.... In: DTIC (2009) BASE Show details 17 PARADISE Based Search Engine at TREC 2009 Web Track Shan, Dongdong; Zhao, Dongsheng; He, Jing... In: DTIC (2009) BASE Show details 18 Microsoft Research at TREC 2009. Web and Relevance Feedback Tracks Craswell, Nick; Fetterly, Dennis; Najork, Marc... In: DTIC (2009) BASE Show details 19 FEUP at TREC 2009 Blog Track: Temporal Evidence in the Faceted Blog Distillation Task Nunes, Sergio; Ribeiro, Cristina; David, Gabriel In: DTIC (2009) BASE Show details 20 Enhancing P3P Framework through Policies and Trust Kolari, Pranam; Ding, Li; Kagal, Lalana... In: DTIC AND NTIS (2005) BASE Show details Page: 1 2

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