369 search results - page 42 / 74 » Querying Distributed RDF Data Sources with SPARQL |
BTW
2005
Springer
14 years 1 months ago
2005
Springer
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
SAC
2006
ACM
14 years 1 months ago
2006
ACM
Structured data and complex schemas are becoming the main way to represent the information many Digital Libraries provide, thus impacting the services they offer. When searching i...
ICDCIT
2010
Springer
14 years 4 months ago
2010
Springer
Data delivered today over the web reflects rapid and unpredictable changes in the world around us. We are increasingly relying on content that provides dynamic, interactive, person...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
In a variety of applications, ranging from data integration to distributed query evaluation, there is a need to obtain sets of data items from several sources (peers) and compute ...