2070 search results - page 30 / 414 » Querying Communities in Relational Databases |
201
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ICDE
2009
IEEE
16 years 13 days ago
2009
IEEE
A common approach to performing keyword search over relational databases is to find the minimum Steiner trees in database graphs. These methods, however, are rather expensive as th...
180
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VLDB
2007
ACM
15 years 11 months ago
2007
ACM
Databases are increasingly being used to store information covered by heterogeneous policies, which require support for access control with great flexibility. This has led to incr...
109
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VLDB
1991
ACM
15 years 2 months ago
1991
ACM
Systems designed for efficient retrieval of conventional data can be very inefficient at retrieving documents. Documents have more complex structure than conventional data, and th...
75
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EDBT
2008
ACM
15 years 10 months ago
2008
ACM
In this paper we study the problem of mining all frequent queries in a given database table, a problem known to be intractable even for conjunctive queries. We restrict our attent...
COMAD
2008
15 years 4 days ago
2008
In existing database systems there is a strong need for searching data according to many attributes. In commercial database platforms, the standard search over multiple attributes...