3368 search results - page 182 / 674 » The Complexity of Query Reliability |
131
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CIKM
2006
Springer
15 years 6 months ago
2006
Springer
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...
128
Voted
SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...
120
Voted
PODS
2008
ACM
16 years 2 months ago
2008
ACM
Data exchange, also known as data translation, has been extensively investigated in recent years. One main direction of research has focused on the semantics and the complexity of...
114
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LICS
2002
IEEE
15 years 7 months ago
2002
IEEE
We study relations on trees defined by first-order constraints over a vocabulary that includes the tree extension relation Ì Ì ¼, holding if and only if every branch of Ì ex...
140
Voted
SIGMOD
1996
ACM
15 years 6 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...