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VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Ontologies are increasingly being used to build applications that utilize domain-specific knowledge. This paper addresses the problem of supporting ontology-based semantic matchin...
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VLDB
2004
ACM
15 years 3 months ago
2004
ACM
We consider the problem of estimating set-expression cardinality in a distributed streaming environment where rapid update streams originating at remote sites are continually tran...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Focused web crawlers have recently emerged as an alternative to the well-established web search engines. While the well-known focused crawlers retrieve relevant webpages, there ar...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Web spam pages use various techniques to achieve higher-than-deserved rankings in a search engine’s results. While human experts can identify spam, it is too expensive to manual...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
An increasing percentage of the data needed by business applications is being generated in XML format. Storing the XML in its native format will facilitate new applications that e...