369 search results - page 50 / 74 » Querying Distributed RDF Data Sources with SPARQL |
SIGMOD
2004
ACM
14 years 29 days ago
2004
ACM
Information in today’s enterprises commonly resides in a variety of heterogeneous data sources, including relational databases, web services, files, packaged applications, and c...
MSR
2006
ACM
14 years 1 months ago
2006
ACM
To improve software productivity, when constructing new software systems, developers often reuse existing class libraries or frameworks by invoking their APIs. Those APIs, however...
EAGC
2004
Springer
14 years 28 days ago
2004
Springer
Data streams are a prevalent and growing source of timely data. As streams become more prevalent, richer interrogation of the contents of the streams are required. Value of the con...
ESWS
2009
Springer
14 years 2 months ago
2009
Springer
: Earth Observations (EO) collect various characteristics of the objective environment using sensors which often have different measuring, spatial and temporal coverage. Making ind...
DGO
2003
13 years 9 months ago
2003
This paper describes a Web-based query system for semantically heterogeneous geospatial data. Our goal is to provide DBMS type query capabilities to a proposed statewide land info...