721 search results - page 69 / 145 » Supporting top-k join queries in relational databases |
109
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SIGMOD
2011
ACM
14 years 18 days ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
FMLDO
1990
Springer
15 years 1 months ago
1990
Springer
Object-oriented database systems (ooDBMSs) are supposed to offer at least the functionality available in commercial relational DBMSs of today. One important consequence of this is...
168
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
Difference, intersection, semi-join and anti-semi-join may be considered binary subset operators, in that they all return a subset of their left-hand argument. These operators are...
163
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
To address the needs of data intensive XML applications, a number of efficient tree pattern algorithms have been proposed. Still, most XQuery compilers do not support those algori...
VLDB
1998
ACM
15 years 2 months ago
1998
ACM
Oracle Materialized Views (MVs) are designed for data warehousing and replication. For data warehousing, MVs based on inner/outer equijoins with optional aggregation, can be refre...