DAML Query Language
the (current) top of the query language hierarchy
DAML+OIL
+ entailment
DQL
RDFS
+ subclasses/subproperties
RQL,
Sesame
,
DSSS
RDF
direct statement match
RDF DB
,
Squish
, Jena
RDQL
likely to support existentials (e.g.
father
implied by cardinality constraints and/or blank nodes)
latest proposal
see
http://ksl.stanford.edu/projects/dql/
Mike Dean
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