incubator-clerezza-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Oliver Strässer (JIRA) <>
Subject [jira] Created: (CLEREZZA-194) Replace the integrated SPARQL engine
Date Wed, 21 Apr 2010 09:08:50 GMT
Replace the integrated SPARQL engine

                 Key: CLEREZZA-194
             Project: Clerezza
          Issue Type: Improvement
            Reporter: Oliver Strässer
            Priority: Critical

The Scalability of the integrated SPARQL engine isn't very good.  Some test with big graphs
demonstrate this problem. 
A Query over a big Graph (120 MB) needs more than 45 seconds with SPARQL. The same "query"
build with graph.filter(triple) calls, needs only 1-2 msec - quite faster. 
research with Manuel Innerhofer shows, that the problem is the hasnext() method of the SPARQL

This message is automatically generated by JIRA.
You can reply to this email to add a comment to the issue online.

View raw message