This is just a form that talks to LIbby Miller's squish query service.
you can add data to the demonstration database or your own database.
See the Known Bugs listing before experimenting with your own queries and/or data. A query language overview is also available.
Edit the queries (or source data URI in the FROM
clause) to
experiment with the Squish syntax for RDF query.
The RDF query server used by these forms accepts the following query
language, similar to R. V.
Guha's RDFDB QL:
SELECT variables
[FROM url, url]
WHERE (pred variable/string variable/string) .... () () [AND constraint]
[USING predString FOR predUrl]
variables must start with a ? and contain no spaces
the arguments to FROM are urls which are de-serialized and treated as the
basis for the query. If there is no FROM clause the a default database will
be used.
pred can be a predicate string e.g dc::title or a full property name. If a
predicate string, add on a USING clause to specify what the predicate string
stands for (e.g. USING dc FOR http://purl.org/dc/1.1/)
constraints can be variable > | < | = | > =| < = | ~ value where value should be an integer, except in the case of ~ where it should be a string
This is being scribbled up by Charles McCN, but the underlying work was done by
libby.miller@bristol.ac.uk