367 search results - page 33 / 74 » Algorithms for selecting materialized views in a data wareho... |
WWW
2011
ACM
13 years 3 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
Semantic caches, originally proposed for client-server database systems, are being recently deployed to accelerate the serving of dynamic web content by transparently caching data...
CACM
2008
13 years 9 months ago
2008
In this article, we study the problem of distributed selection from a theoretical point of view. Given a general connected graph of diameter D consisting of n nodes in which each ...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
HPDC
2010
IEEE
13 years 9 months ago
2010
IEEE
In this paper we present the Brown Dwarf, a distributed system designed to efficiently store, query and update multidimensional data over an unstructured Peer-to-Peer overlay, wit...