Initialize the Query object.
# S4 method for Query
initialize(.Object, world, querystring, base_uri = NULL,
query_language = "sparql", query_uri = NULL)
the Query object
a World object
a query string for the language specified in 'query_language'
a URI to prepend to relative URI in the document
the query language to execute the querystring with
a URI to prepend to terms in the query
the Query object