86 search results - page 2 / 18 » The Fittest Survives: An Adaptive Approach to Query Optimiza... |
ICDE
2009
IEEE
14 years 7 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
VLDB
2006
ACM
14 years 5 months ago
2006
ACM
While the information published in the form of XML-compliant documents keeps fast mounting up, efficient and effective query processing and optimization for XML have now become mor...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
AAAI
2011
12 years 5 months ago
2011
Utility elicitation is an important component of many applications, such as decision support systems and recommender systems. Such systems query users about their preferences and ...
VLDB
2012
ACM
12 years 1 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...