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112
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WWW
2003
ACM
16 years 2 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...
111
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WWW
2003
ACM
16 years 2 months ago
2003
ACM
Continuous queries are queries for which responses given to users must be continuously updated, as the sources of interest get updated. Such queries occur, for instance, during on...
127
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WWW
2005
ACM
16 years 2 months ago
2005
ACM
The Semantic Web consists of many RDF graphs nameable by URIs. This paper extends the syntax and semantics of RDF to cover such Named Graphs. This enables RDF statements that desc...
154
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WWW
2011
ACM
14 years 8 months ago
2011
ACM
Modern search engines are expected to make documents searchable shortly after they appear on the ever changing Web. To satisfy this requirement, the Web is frequently crawled. Due...
106
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WWW
2007
ACM
16 years 2 months ago
2007
ACM
Many databases have become Web-accessible through form-based search interfaces (i.e., HTML forms) that allow users to specify complex and precise queries to access the underlying ...