418 search results - page 49 / 84 » Optimizing Large Join Queries in Mediation Systems |
AAAI
2011
12 years 7 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 ...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
Queries issued by casual users or specialists exploring a data set often point us to important subsets of the data, be it clusters, outliers or other features of particular import...
ISCI
2007
13 years 7 months ago
2007
Efficient processing of distance-based queries (DBQs) is of great importance in spatial databases due to the wide area of applications that may address such queries. The most repr...
SSDBM
1999
IEEE
13 years 12 months ago
1999
IEEE
In many scientific domains, experimental devices or simulation programs generate large volumes of data. The volumes of data may reach hundreds of terabytes and therefore it is imp...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Recently, systems providing access to extremely large data collections, managed in a distributed manner, gain emerging attention. A promising approach to implement the physical la...