1160 search results - page 118 / 232 » Query Processing and Optimization for Pictorial Query Trees |
108
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SEMWEB
2004
Springer
15 years 6 months ago
2004
Springer
Abstract. Increasing the number of peers in a peer-to-peer network usually increases the number of answers to a given query as well. While having more answers is nice in principle,...
119
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PVLDB
2008
15 years 28 days ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
224
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GIS
2006
ACM
16 years 2 months ago
2006
ACM
Given a query point and a collection of spatial features, a multi-type nearest neighbor (MTNN) query finds the shortest tour for the query point such that only one instance of eac...
108
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PKDD
2009
Springer
15 years 8 months ago
2009
Springer
A core problem in data mining is to retrieve data in a easy and human friendly way. Automatically translating natural language questions into SQL queries would allow for the design...
COLING
1996
15 years 2 months ago
1996
This paper presents an efficient algorithm for retrieving from a database of trees, all trees that match a given query tree appro,imately, that is, within a certain error toleranc...