542 search results - page 80 / 109 » An Effective SPARQL Support over Relational Databases |
PODS
2009
ACM
14 years 9 months ago
2009
ACM
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
CSCW
2012
ACM
12 years 4 months ago
2012
ACM
A challenge for many online production communities is to direct their members to accomplish tasks that are important to the group, even when these tasks may not match individual m...
BMCBI
2006
13 years 8 months ago
2006
Background: The goal of information integration in systems biology is to combine information from a number of databases and data sets, which are obtained from both high and low th...
CORR
2011
Springer
13 years 3 months ago
2011
Springer
Contemporary use of the term ’intension’ derives from the traditional logical doctrine that an idea has both an extension and an intension. In this paper we introduce an intens...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...