Sciweavers

6846 search results - page 358 / 1370
» Querying a summary of database
Sort
View
SIGMOD
2007
ACM
102views Database» more  SIGMOD 2007»
16 years 6 months ago
Finding shapes in a set of points
We present a tool for querying a set of points for geometric shapes. This tool was developed as part of a larger project studying the architecture of 13th century French churches....
Kenneth A. Ross, David Vespe, David Hessing, Prana...
DEXAW
2008
IEEE
120views Database» more  DEXAW 2008»
16 years 1 months ago
Robust Data Exchange for Unreliable P2P Networks
The aim of this work is to provide a robust way for peers with heterogeneous data sources to exchange information in an unreliable network. We address this problem in two ways. Fi...
Duc Minh Le, Andrew Smith, Peter McBrien
ODBIS
2007
Springer
157views Database» more  ODBIS 2007»
16 years 26 days ago
An Extension of SPARQL for RDFS
Abstract. RDF Schema (RDFS) extends RDF with a schema vocabulary with a predefined semantics. Evaluating queries which involve this vocabulary is challenging, and there is not yet...
Marcelo Arenas, Claudio Gutierrez, Jorge Pé...
DBISP2P
2005
Springer
105views Database» more  DBISP2P 2005»
16 years 8 days ago
Semantic Caching in Schema-Based P2P-Networks
In this paper, we present the use of semantic caching in the environment of schema-based super-peer networks. Different from traditional caching, semantic caching allows the answe...
Ingo Brunkhorst, Hadhami Dhraief
CINQ
2004
Springer
118views Database» more  CINQ 2004»
16 years 4 days ago
Boolean Formulas and Frequent Sets
We consider the problem of how one can estimate the support of Boolean queries given a collection of frequent itemsets. We describe an algorithm that truncates the inclusion-exclus...
Jouni K. Seppänen, Heikki Mannila