200 search results - page 11 / 40 » Datalog Queries of Set Constraint Databases |
ICDE
1998
IEEE
13 years 11 months ago
1998
IEEE
Query folding is a technique for determining how a query may be answered using a given set of resources, which may include materialized views, cached results of previous queries, ...
WIDM
2003
ACM
14 years 18 days ago
2003
ACM
A growing number of databases especially those published on the Web are becoming available to external users. Users of these databases are provided simple form-based query interfa...
AAAI
2008
13 years 8 months ago
2008
In this poster we describe the tabling techniques for Sequential and Concurrent Horn Transaction Logic. Horn Transaction Logic is an extension of classical logic programming with ...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
ICALP
2007
Springer
14 years 1 months ago
2007
Springer
We present algebraic conditions on constraint languages Γ that ensure the hardness of the constraint satisfaction problem CSP(Γ) for complexity classes L, NL, P, NP and ModpL. Th...