4093 search results - page 486 / 819 » Citizen Information Services using Internet Technologies |
250
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WWW
2011
ACM
15 years 2 months ago
2011
ACM
The multimedia information retrieval community has dedicated extensive research effort to the problem of content-based image retrieval (CBIR). However, these systems find their ma...
214
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WWW
2009
ACM
16 years 2 months ago
2009
ACM
: This talk describes a research project exploring new ways for augmenting search using multiple types and sources of social information. Our goal is to allow searching for all obj...
240
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WWW
2008
ACM
16 years 8 months ago
2008
ACM
Web search engines are facing formidable performance challenges due to data sizes and query loads. The major engines have to process tens of thousands of queries per second over t...
192
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WWW
2003
ACM
16 years 8 months ago
2003
ACM
Recent work on incremental crawling has enabled the indexed document collection of a search engine to be more synchronized with the changing World Wide Web. However, this synchron...
201
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DIM
2007
ACM
15 years 11 months ago
2007
ACM
In a history-based trust-management system, users and service providers use information about past transactions to make trust-based decisions concerning current transactions. One ...