285 search results - page 30 / 57 » Optimization of Real Conjunctive Queries |
WEBI
2010
Springer
13 years 5 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL web pages. Some of these pages are static text files, while others are dynamically generated from la...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
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...
ICUMT
2009
13 years 5 months ago
2009
Abstract--In this paper we address the task of accurately reconstructing a distributed signal through the collection of a small number of samples at a data gathering point using Co...
WECWIS
2009
IEEE
14 years 2 months ago
2009
IEEE
Complex Event Processing (CEP) systems are capable of processing large amounts of events, utilizing them to monitor, steer and optimize business in real time. The lack of tracking...