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» Accessibility in Information Retrieval

192

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SIGIR
2011
ACM

218views Information Technology» more SIGIR 2011»

Ad hoc IR: not much room for improvement

14 years 9 months ago

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Ranking function performance reached a plateau in 1994. The reason for this is investigated. First the performance of BM25 is measured as the proportion of queries satisfied on th...

Andrew Trotman, David Keeler

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180

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ISM
2006
IEEE

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Affinity Hybrid Tree: An Indexing Technique for Content-Based Image Retrieval in Multimedia Databases

15 years 6 months ago

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A novel indexing and access method, called Affinity Hybrid Tree (AH-Tree), is proposed to organize large image data sets efficiently and to support popular image access mechanisms...

Kasturi Chatterjee, Shu-Ching Chen

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195

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SIGIR
2009
ACM

130views Information Technology» more SIGIR 2009»

Evaluating effects of machine translation accuracy on cross-lingual patent retrieval

15 years 11 months ago

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We organized a machine translation (MT) task at the Seventh NTCIR Workshop. Participating groups were requested to machine translate sentences in patent documents and also search ...

Atsushi Fujii, Masao Utiyama, Mikio Yamamoto, Take...

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122

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CLEF
2003
Springer

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University of Hagen at CLEF 2003: Natural Language Access to the GIRT4 Data

16 years 2 days ago

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Johannes Leveling

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