6905 search results - page 853 / 1381 » Querying Multidimensional Databases |
177
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SDM
2007
SIAM
15 years 9 months ago
2007
SIAM
An increasing amount of data is produced in the form of text streams − these can be RSS news feeds, TV closed captions, emails, etc. We study the problem of answering keyword qu...
202
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GVD
2004
15 years 9 months ago
2004
MIWeb realizes a mediator-based integration of heterogeneous metadata sources over the Web. Mediators are well known from database integration. They improve the quality of search ...
207
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DEBU
2002
15 years 7 months ago
2002
An increasing number of business users and software applications need to process information that is accessible via multiple diverse information systems, such as database systems,...
226
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SAC
2008
ACM
15 years 7 months ago
2008
ACM
The tree-based languages XQuery and XSLT for XML are widely supported. Many tools do not yet support the new RDF graph query language SPARQL. We propose to embed SPARQL subqueries...
240
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NDT
2010
15 years 6 months ago
2010
This paper focuses on an aspect that is widely neglected in native XML database management systems: support for concurrent transactional access. We analyze the isolation requireme...