3471 search results - page 329 / 695 » Data Stream Query Processing |
126
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WWW
2010
ACM
15 years 10 months ago
2010
ACM
Web crawlers are increasingly used for focused tasks such as the extraction of data from Wikipedia or the analysis of social networks like last.fm. In these cases, pages are far m...
104
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SSDBM
2008
IEEE
15 years 9 months ago
2008
IEEE
Bitmap indexes are known to be efficient for ad-hoc range queries that are common in data warehousing and scientific applications. However, they suffer from the curse of cardina...
133
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HPDC
2010
IEEE
15 years 4 months ago
2010
IEEE
This paper proposes a cache hierarchy that enables Web search engines to efficiently process user queries. The different caches in the hierarchy are used to store pieces of data w...
116
Voted
CIKM
2010
Springer
15 years 1 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
247
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ICDE
2005
IEEE
16 years 4 months ago
2005
IEEE
Query processing in traditional information management systems has moved from an exact match model to more flexible paradigms allowing cooperative retrieval by aggregating the dat...