365 search results - page 61 / 73 » Answering Non-Monotonic Queries in Relational Data Exchange |
156
Voted
SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
IDEAS
2003
IEEE
15 years 2 months ago
2003
IEEE
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...
SIGMOD
1998
ACM
15 years 1 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
PAKDD
1999
ACM
15 years 1 months ago
1999
ACM
Empirical equations are an important class of regularities that can be discovered in databases. In this paper we concentrate on the role of equations as de nitions of attribute val...