12635 search results - page 2264 / 2527 » Which semantic web |
125
Voted
HT
2004
ACM
15 years 10 months ago
2004
ACM
Many approaches have been pursued over the years to facilitate creating, organizing, and sharing collections of materials extracted from large information spaces. Little attention...
122
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SIGIR
2004
ACM
15 years 10 months ago
2004
ACM
Although text categorization is a burgeoning area of IR research, readily available test collections in this field are surprisingly scarce. We describe a methodology and system (...
140
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SIGIR
2004
ACM
15 years 10 months ago
2004
ACM
Recent research has had some success using the length of time a user displays a document in their web browser as implicit feedback for document preference. However, most studies h...
125
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SIGIR
2004
ACM
15 years 10 months ago
2004
ACM
In this paper, we introduce an information theoretic method for estimating the usefulness of the hyperlink structure induced from the set of retrieved documents. We evaluate the e...
149
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SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Data items are often associated with a location in which they are present or collected, and their relevance or in uence decays with their distance. Aggregate values over such data...