3251 search results - page 240 / 651 » Challenges in Web Information Retrieval |
168
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IRI
2009
IEEE
16 years 1 months ago
2009
IEEE
In recent years, there is an increasing interest in the Semantic Web and the relevant technologies, which can have a significant impact in the context of information and knowledge...
168
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SIGIR
2003
ACM
15 years 12 months ago
2003
ACM
Web search query logs contain traces of users’ search modifications. One strategy users employ is deleting terms, presumably to obtain greater coverage. It is useful to model a...
281
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CIKM
2003
Springer
15 years 12 months ago
2003
Springer
Evaluation of IR systems has always been difficult because of the need for manually assessed relevance judgments. The advent of large editor-driven taxonomies on the web opens the...
172
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WWW
2010
ACM
16 years 1 months ago
2010
ACM
Web search engines discover indexable documents by recursively ‘crawling’ from a seed URL. Their rankings take into account link popularity. While this works well, it introduc...
181
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BMCBI
2008
15 years 6 months ago
2008
Background: Keyword searching through PubMed and other systems is the standard means of retrieving information from Medline. However, ad-hoc retrieval systems do not meet all of t...