1821 search results - page 290 / 365 » U-DBMS: A Database System for Managing Constantly-Evolving D... |
SIGMOD
1998
ACM
13 years 12 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 ...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
The problem of simultaneously clustering columns and rows (coclustering) arises in important applications, such as text data mining, microarray analysis, and recommendation system...
COLING
2002
13 years 7 months ago
2002
In this paper we propose an integrated knowledge management system in which terminology-based knowledge acquisition, knowledge integration, and XML-based knowledge retrieval are c...
ISMIR
2005
Springer
14 years 1 months ago
2005
Springer
Although analogue phonograph recordings (LPs) have long shelf lives, there are many reasons for initiating research into proper procedures for their digital preservation. In order...