1125 search results - page 82 / 225 » Query Answering in Inconsistent Databases |
ICDE
2009
IEEE
14 years 12 months ago
2009
IEEE
This work addresses a novel spatial keyword query called the m-closest keywords (mCK) query. Given a database of spatial objects, each tuple is associated with some descriptive inf...
PODS
2000
ACM
14 years 2 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
Literature on information integration across databases tacitly assumes that the data in each database can be revealed to the other databases. However, there is an increasing need ...
ICDE
2002
IEEE
14 years 3 months ago
2002
IEEE
We consider the use of data reduction techniques for the problem of approximate query answering. We focus on applications for which accurate answers to selective queries are requi...
DEXAW
2008
IEEE
14 years 4 months ago
2008
IEEE
The aim of this work is to provide a robust way for peers with heterogeneous data sources to exchange information in an unreliable network. We address this problem in two ways. Fi...