6974 search results - page 989 / 1395 » Querying Semi-Structured Data |
258
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Traditional approaches to rule-based information extraction (IE) have primarily been based on regular expression grammars. However, these grammar-based systems have difficulty scal...
308
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
We propose a new technique for the efficient search and navigation in XML documents and streams. This technique takes string matching algorithms designed for efficient keyword sear...
257
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
265
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
Column-oriented database system architectures invite a reevaluation of how and when data in databases is compressed. Storing data in a column-oriented fashion greatly increases th...
192
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PODS
2007
ACM
16 years 7 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...