873 search results - page 36 / 175 » Updates and View Maintenance |
KDD
1999
ACM
14 years 2 months ago
1999
ACM
We present an efficient algorithm (UWEP) for updating large itemsets when new transactions are added to the set of old transactions. UWEP employs a dynamic lookahead strategy in u...
IBERAMIA
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. The success of a case-based reasoning system depends critically on the relevance of the case base. Much current CBR research focuses on how to compact and refine the con...
BNCOD
2007
13 years 11 months ago
2007
While specification languages for integrity constraints for XML data have been considered in the literature, actual technologies and methodologies for checking and maintaining in...
IJCAI
2007
13 years 11 months ago
2007
The paper describes a simple but effective framework for visual object tracking in video sequences. The main contribution of this work lies in the introduction of a case-based rea...
VLDB
1997
ACM
14 years 2 months ago
1997
ACM
Selecting views to materialize is one of the most important decisions in designing a data warehouse. In this paper, we present a framework for analyzing the issues in selecting vi...