Database.HSparql.Connection

Documentation

type EndPoint = String

URI of the SPARQL endpoint.

data BindingValue

Local representations of incoming XML results.

Constructors

Bound Node

RDF Node (UNode, BNode, LNode)

Unbound

Unbound result value

Instances

Eq BindingValue

Show BindingValue

selectQuery :: EndPoint -> Query SelectQuery -> IO (Maybe [[BindingValue]])

Connect to remote EndPoint and find all possible bindings for the Variables in the SelectQuery action.

constructQuery :: forall rdf. RDF rdf => EndPoint -> Query ConstructQuery -> IO rdf

Connect to remote EndPoint and construct TriplesGraph from given ConstructQuery action. Provisional implementation.

askQuery :: EndPoint -> Query AskQuery -> IO Bool

Connect to remote EndPoint and find all possible bindings for the Variables in the SelectQuery action.

describeQuery :: forall rdf. RDF rdf => EndPoint -> Query DescribeQuery -> IO rdf

Connect to remote EndPoint and construct TriplesGraph from given ConstructQuery action. Provisional implementation.