448 search results - page 35 / 90 » Queries and Constraints on Semi-structured Data |
201
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PVLDB
2010
15 years 4 months ago
2010
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
188
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PVLDB
2010
15 years 4 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
175
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FQAS
2004
Springer
15 years 9 months ago
2004
Springer
In the context of relational as well as deductive databases, correct and efficient integrity checking is a crucial issue, as, without any guarantee of data consistency, the answers...
183
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WSDM
2010
ACM
15 years 11 months ago
2010
ACM
Ranking a set of retrieved documents according to their relevance to a given query has become a popular problem at the intersection of web search, machine learning, and informatio...
182
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DBSEC
2009
15 years 7 months ago
2009
Existing approaches for protecting sensitive information stored (outsourced) at external "honest-but-curious" servers are typically based on an overlying layer of encrypt...