151 search results - page 15 / 31 » On the Containment Problem for Queries in Conjunctive Form w... |
CONCUR
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. A prominent source of complexity in the verification of ad hoc network (AHN) protocols is the fact that the number of network topologies grows exponentially with the squ...
WIDM
2003
ACM
14 years 23 days ago
2003
ACM
Query rewriting using views is an essential issue in data integration. A number of algorithms, e.g., the bucket algorithm, the inverse rules algorithm, the SVB algorithm and the M...
DIS
2003
Springer
14 years 23 days ago
2003
Springer
Computing abductive explanations is an important problem, which has been studied extensively in Artificial Intelligence (AI) and related disciplines. While computing some abductiv...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
The problem of rewriting queries using views has received significant attention because of its applications in a wide variety of datamanagement problems. For select-project-join SQ...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...