332 search results - page 64 / 67 » Query Caching and View Selection for XML Databases |
VLDB
2004
ACM
14 years 1 days ago
2004
ACM
Focused web crawlers have recently emerged as an alternative to the well-established web search engines. While the well-known focused crawlers retrieve relevant webpages, there ar...
ICDE
2001
IEEE
14 years 8 months ago
2001
IEEE
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
VLDB
1999
ACM
13 years 11 months ago
1999
ACM
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
ICFP
2010
ACM
13 years 7 months ago
2010
ACM
Bidirectional transformations provide a novel mechanism for synchronizing and maintaining the consistency of information between input and output. Despite many promising results o...
KDD
2001
ACM
14 years 7 months ago
2001
ACM
We present a generalization of frequent itemsets allowing the notion of errors in the itemset definition. We motivate the problem and present an efficient algorithm that identifie...