2063 search results - page 158 / 413 » Containment of Aggregate Queries |
169
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MOBISYS
2008
ACM
16 years 4 months ago
2008
ACM
Recent years have witnessed the impacts of distributed content sharing (Wikipedia, Blogger), social networks (Facebook, MySpace), sensor networks, and pervasive computing. We beli...
133
Voted
DOLAP
2009
ACM
15 years 11 months ago
2009
ACM
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...
121
Voted
IS
2006
15 years 4 months ago
2006
As XML documents contain both content and structure information, taking advantage of the document structure in the retrieval process can lead to better identify relevant informati...
132
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IPM
2000
15 years 4 months ago
2000
We analyzed transaction logs containing 51,473 queries posed by 18,113 users of Excite, a major Internet search service. We provide data on: (i) sessions - changes in queries durin...
233
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...