610 search results - page 96 / 122 » Efficient Query Evaluation on Probabilistic Databases |
SSDBM
2008
IEEE
15 years 4 months ago
2008
IEEE
Random sampling is a popular technique for providing fast approximate query answers, especially in data warehouse environments. Compared to other types of synopses, random sampling...
WWW
2003
ACM
15 years 10 months ago
2003
ACM
The integration of data produced and collected across autonomous, heterogeneous web services is an increasingly important and challenging problem. Due to the lack of global identi...
142
click to vote
SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
A "sparse" data set typically has hundreds or even thousands of attributes, but most objects have non-null values for only a small number of these attributes. A popular ...
DEXA
2006
Springer
15 years 1 months ago
2006
Springer
The composition of services that are indexed in a large-scale service directory often involves many complex queries issued by the service composition algorithm to the directory. Th...
OTM
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. Ontologies have become very popular in life sciences and other domains. They mostly undergo continuous changes and new ontology versions are frequently released. However,...