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Generalizing from relevance feedback using named entity wildcards
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In: http://www.cs.cmu.edu/%7Ealad/papers/lad-cikm07.pdf (2007)
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Translingual Information Retrieval: A Comparative Evaluation ...
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Translingual Information Retrieval: A Comparative Evaluation ...
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CONTROL: CLEF-2003 with Open, Transparent Resources Off-Line. Experiments with merging strategies
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In: http://www.clef-campaign.org/2003/WN_web/07.pdf (2003)
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A Study of Approaches to Hypertext Categorization
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In: http://www.cs.cmu.edu/~yiming/papers.yy/jiis02.ps.gz (2002)
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Report on the CONALD Workshop on Learning from Text and the Web
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In: http://www.cs.cmu.edu/~yiming/papers.yy/conald98-report.ps.gz (1998)
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Translingual Information Retrieval: Learning from Bilingual Corpora ...
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Translingual Information Retrieval: Learning from Bilingual Corpora ...
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Translingual Information Retrieval: Learning from Bilingual Corpora
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In: http://www.cs.cmu.edu/afs/cs.cmu.edu/user/ralf/pub/WWW/papers/aij98.ps (1997)
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Translingual Information Retrieval: A Comparative Evaluation
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In: http://www-cgi.cs.cmu.edu./People/ralf/papers/ijcai97-5.ps (1997)
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Translingual Information Retrieval: A Comparative Evaluation
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In: http://www.cs.cmu.edu/~yiming/papers.yy/ijcai97-6.ps.gz (1997)
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A linear least squares fit mapping method for information retrieval from natural language texts
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In: http://acl.ldc.upenn.edu/C/C92/C92-2069.pdf (1992)
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Translingual Information Retrieval: Learning from Bilingual Corpora ...
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Translingual Information Retrieval: Learning from Bilingual Corpora ...
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ABSTRACT Generalizing from Relevance Feedback using Named Entity Wildcards
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In: http://nyc.lti.cs.cmu.edu/yiming/Publications/alad-cikm07.pdf
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Abstract:
Traditional adaptive filtering systems learn the user’s interests in a rather simple way – words from relevant documents are favored in the query model, while words from irrelevant documents are down-weighted. This biases the query model towards specific words seen in the past, causing the system to favor documents containing relevant but redundant information over documents that use previously unseen words to denote new facts about the same news event. This paper proposes news ways of generalizing from relevance feedback by augmenting the traditional bagof-words query model with named entity wildcards that are anchored in context. The use of wildcards allows generalization beyond specific words, while contextual restrictions limit the wildcard-matching to entities related to the user’s query. We test our new approach in a nuggetlevel adaptive filtering system and evaluate it in terms of both relevance and novelty of the presented information. Our results indicate that higher recall is obtained when lexical terms are generalized using wildcards. However, such wildcards must be anchored to their context to maintain good precision. How the context of a wildcard is represented and matched against a given document also plays a crucial role in the performance of the retrieval system.
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Keyword:
adaptive filtering; Experimentation; filtering; I.5.2 General Terms Design; Measurement; named entities; Performance. Keywords Relevance feedback; Relevance feedback; Retrieval models; Selection process
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URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.62.9794 http://nyc.lti.cs.cmu.edu/yiming/Publications/alad-cikm07.pdf
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Combining Prediction, Syntactic Analysis and Semantic Analysis in Chinese Sentence Analysis
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In: http://dli.iiit.ac.in/ijcai/IJCAI-87-VOL2/PDF/016.pdf
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Cross-Lingual Event Tracking
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In: http://www.cs.cmu.edu/~mrogati/pubs/cledt.pdf
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Applying CLIR Techniques to Event Tracking
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In: http://nyc.lti.cs.cmu.edu/yiming/Publications/ma-airs04.pdf
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Relevance of Cluster size in MMR based Summarizer: A Report 11-742: Self-paced lab in Information Retrieval
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In: http://www.cs.cmu.edu/~madhavi/publications/Ganapathiraju_11-742Report.pdf
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Statistical learning
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In: http://nyc.lti.cs.cmu.edu/yiming/Publications/yang-aij98.pdf
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