1846 search results - page 33 / 370 » Fuzzy queries and relational databases |
SSDBM
1998
IEEE
13 years 12 months ago
1998
IEEE
A relation is an unordered collection of records. Often, however, there is an underlying order (e.g., a sequence of stock prices), and users want to pose queries that reflect this...
ICDE
2009
IEEE
14 years 9 months 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...
VLDB
2007
ACM
14 years 8 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...
VLDB
1991
ACM
13 years 11 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...
EDBT
2008
ACM
14 years 7 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...