2514 search results - page 252 / 503 » On the Computation of Approximations of Database Queries |
188
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WISE
2009
Springer
16 years 3 months ago
2009
Springer
ct One significant effort towards combining the virtues of Web search, viz. being accessible to untrained users and able to cope with vastly heterogeneous data, with those of dat...
184
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DEXA
2007
Springer
16 years 26 days ago
2007
Springer
Abstract. Sequence alignment is an important task for molecular biologists. Because alignment basically deals with approximate string matching on large biological sequence collecti...
166
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GIS
2008
ACM
15 years 7 months ago
2008
ACM
In a geographical route search, given search terms, the goal is to find an effective route that (1) starts at a given location, (2) ends at a given location, and (3) travels via...
179
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PDIS
1994
IEEE
15 years 10 months ago
1994
IEEE
Many new database applications require very large volumes of data. Mariposa is a data base system under construction at Berkeley responding to this need. Mariposa objects can be s...
168
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ERSHOV
2006
Springer
15 years 10 months ago
2006
Springer
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...