552 search results - page 70 / 111 » Efficient Algorithms for Processing XPath Queries |
109
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DKE
2008
14 years 12 months ago
2008
We study an important data analysis operator, which extracts the k most important groups from data (i.e., the k groups with the highest aggregate values). In a data warehousing co...
104
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CIKM
2008
Springer
15 years 1 months ago
2008
Springer
As online social networking emerges, there has been increased interest to utilize the underlying social structure as well as the available social information to improve search. In...
207
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GIS
2006
ACM
16 years 25 days ago
2006
ACM
Given a query point and a collection of spatial features, a multi-type nearest neighbor (MTNN) query finds the shortest tour for the query point such that only one instance of eac...
ICDT
2010
ACM
15 years 9 months ago
2010
ACM
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
108
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DOLAP
2005
ACM
15 years 1 months ago
2005
ACM
A novel framework for providing probabilistically-bounded approximate answers to non-holistic aggregate range queries in OLAP is presented in this paper. Such a framework allows u...