SPARQL Continuation at W3C

DAWG2 , SPARQL2 , return of the revenge of SPARQL 2 strikes back (in 3D)

Presented 9 December at the Cambridge Semantic Web Gathering.

Eric Prud'hommeaux, Sanitation Engineer.
Last modified: $Date: 2008/12/09 23:25:54 $

Creative Commons License

This work is licensed under a Creative Commons Attribution 3.0 License, with attribution to W3C.

SPARQL

graph patterns
filter functions
some XPath functions (op:numeric-add(A, B)) accessed through operators (A + B)
query syntax and XML results format carried by a wire protocol.

Semantics defined with respect to a graph.

Effectiveness

Successful withint Semantic Web community.

around 30 active particpants
around 15 implementations on the Implementation Report
the Semantic Web query language

Feature Requests

update
list operators
aggregates - GROUP BY ?department, SUM(?shoeSize)
XPath functions - ftcontains ("dog" with stemming) ftand "cat"
entailment regimes (RDFS, OWL-DL)

Which ones have the most energy?

Which ones interest you?

Charter

2 co-chairs
30% staff time at W3C
weekly telecons
2-3 f2fs (fewer probably better)
take a look

Join Us

Members should voice priority and allocate resources.
Interested parties can comment.
He who does the work sets the direction.

(member join link)