2050 search results - page 56 / 410 » Effectiveness of complex index terms in information retrieva... |
183
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VLDB
1991
ACM
15 years 9 months ago
1991
ACM
Systems designed for efficient retrieval of conventional data can be very inefficient at retrieving documents. Documents have more complex structure than conventional data, and th...
135
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TREC
2000
15 years 7 months ago
2000
TREC-9 evaluation experiments at the Justsystem site are described with a focus on "aboutness" based approach in text retrieval. Experiments on the effects of supplement...
173
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KCAP
2005
ACM
15 years 11 months ago
2005
ACM
In this document, we describe a light-weighted ontology mediation method that allows users to send semantic queries to distant data repositories to browse for learning object meta...
161
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ACL
2003
15 years 7 months ago
2003
This paper discusses the challenges and proposes a solution to performing information retrieval on the Web using Chinese natural language speech query. The main contribution of th...
137
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CLEF
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. For the 2008 participation at GeoCLEF, we focused on improving the extraction of geographic signatures from documents and optimising their use for GIR. The results show t...