From openRDF.org: Sesame 2.4.1 is a bugfix release, fixing various reported issues in the new SPARQL 1.1 query functionality and a number of stability/scalability improvements. Some highlights:

  • SPARQL GROUP BY with complex expressions as arguments are now evaluated correctly (SES-774)
    SUM and AVG now silently ignore non-numeric values (SES-788)

  • Performance improvements in processing of aggregate operators (SES-789)
  • Fix for native store data corruption issue (SES-776)
  • Various other fixes and improvements in handling of property paths and aggregate operators

See the release notes for a full overview of all changes.

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