134 search results - page 11 / 27 » Optimizing repair programs for consistent query answering |
AAAI
1997
13 years 8 months ago
1997
We consider the problem of query plan optimization in information brokers. Information brokers are programs that facilitate access to collections of information sources by hiding ...
ICLP
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. Answer set programming (ASP) is a powerful formalism for knowledge representation and common sense reasoning that allows disjunction in rule heads and nonmonotonic negati...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
Determining the evolutionary history of a given biological data is an important task in biological sciences. Given a set of quartet topologies over a set of taxa, the Maximum Quart...
VLDB
2000
ACM
13 years 11 months ago
2000
ACM
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
IDEAS
2009
IEEE
13 years 5 months ago
2009
IEEE
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...