1125 search results - page 94 / 225 » Query Answering in Inconsistent Databases |
SIGMOD
2011
ACM
13 years 1 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 ...
PODS
2009
ACM
14 years 10 months ago
2009
ACM
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
CISM
1993
14 years 2 months ago
1993
The weak instance model is a framework to consider the relations in a database as a whole, regardless of the way attributes are grouped in the individual relations. Queries and upd...
ADBIS
2004
Springer
14 years 3 months ago
2004
Springer
Nowadays, one of the main research issues of great interest is the efficient tracking of mobile objects that enables the effective answering of spatiotemporal queries. This line o...
ICPR
2008
IEEE
14 years 11 months ago
2008
IEEE
Querying any information system requires the knowledge of some formal language, making it inaccessible to computer-na?ve potential users. We propose a new intuitive querying mecha...