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» Overview of the TREC 2003 Robust Retrieval Track
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79
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SPIESR
2003
99views Database» more  SPIESR 2003»
14 years 11 months ago
Video retrieval using speech and image information
Video contains multiple types of audio and visual information, which are difficult to extract, combine or trade-off in general video information retrieval. This paper provides an ...
Alexander G. Hauptmann, Rong Jin, Tobun Dorbin Ng
CLEF
2004
Springer
15 years 1 months ago
The DIOGENE Question Answering System at CLEF-2004
This paper presents the ITC-irst Multilingual Question Answering system DIOGENE. The system was used successfully on the CLEF-2003, TREC-2003, TREC-2002 and TREC-2001 QA tracks. DI...
Hristo Tanev, Matteo Negri, Bernardo Magnini, Mile...
80
Voted
RIAO
2004
14 years 11 months ago
Combining Positive and Negative Query Feedback in Passage Retrieval
Information Retrieval Systems aim at retrieving relevant documents according to the information needs which users express. Most Information Retrieval Systems focus on passage retr...
Taoufiq Dkaki, Josiane Mothe
100
Voted
IS
2006
14 years 9 months ago
Query performance prediction
The prediction of query performance is an interesting and important issue in Information Retrieval (IR). Current predictors involve the use of relevance scores, which are time-con...
Ben He, Iadh Ounis
109
Voted
SIGIR
2003
ACM
15 years 2 months ago
Beyond independent relevance: methods and evaluation metrics for subtopic retrieval
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
ChengXiang Zhai, William W. Cohen, John D. Laffert...