654 search results - page 74 / 131 » Complexity of Answering Queries Using Materialized Views |
OOPSLA
1997
Springer
15 years 4 months ago
1997
Springer
Object relationships in modern software systems are becoming increasingly numerous and complex. Programmers who try to find violations of such relationships need new tools that al...
103
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PODS
2008
ACM
15 years 12 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
103
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PVLDB
2010
14 years 10 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...
114
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PVLDB
2008
14 years 11 months ago
2008
The number of potentially-related data resources available for querying -- databases, data warehouses, virtual integrated schemas -continues to grow rapidly. Perhaps no area has s...
120
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COMPGEOM
2010
ACM
15 years 4 months ago
2010
ACM
Orthogonal range reporting is the problem of storing a set of n points in d-dimensional space, such that the k points in an axis-orthogonal query box can be reported efficiently. ...