2070 search results - page 262 / 414 » Querying Communities in Relational Databases |
160
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
This work is a proposal for a database index structure that has been specifically designed to support the evaluation of XPath queries. As such, the index is capable to support all...
190
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...
157
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EDBT
2010
ACM
16 years 27 days ago
2010
ACM
Querying non-conventional data is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is the ability to qu...
274
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
209
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ICDT
2012
ACM
13 years 8 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...