168 search results - page 12 / 34 » Efficient Creation of Statistics over Query Expressions |
DILS
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. Life science data sources represent a complex link-driven federation of publicly available Web accessible sources. A fundamental need for scientists today is the ability ...
ICEIS
2009
IEEE
14 years 2 months ago
2009
IEEE
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
FOIKS
2006
Springer
13 years 11 months ago
2006
Springer
It is claimed in [45] that first-order theorem provers are not efficient for reasoning with ontologies based on description logics compared to specialised description logic reasone...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
We present the design of Scoop, a system for indexing and querying stored data in sensor networks. Scoop works by collecting statistics about the rate of queries and distribution ...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
: This work describes a method for processing XPath on a relational back-end that significantly limits the number of SQL joins required, takes advantage of the strengths of modern ...