448 search results - page 46 / 90 » Queries and Constraints on Semi-structured Data |
BNCOD
2004
14 years 11 months ago
2004
The M-tree is a paged, dynamically balanced metric access method that responds gracefully to the insertion of new objects. Like many spatial access methods, the M-tree's perfo...
106
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KRDB
1996
14 years 11 months ago
1996
Metaprogramming adds new expressive power to logic programming which can be advantageous to transfer to the field of deductive databases. We propose metaprogramming as a way to mo...
DKE
2007
14 years 9 months ago
2007
We introduce parameterized pattern queries as a new paradigm to extend traditional pattern expressions over sequence databases. A parameterized pattern is essentially a string mad...
PODS
2012
ACM
13 years 4 days ago
2012
ACM
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
161
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VLDB
2004
ACM
15 years 10 months ago
2004
ACM
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or realtime query responses in su...