def askPage(request):
logging.basicConfig(filename="panorama.log", level=logging.DEBUG)
# TODO: from question get the SPARQL Query, integrate with backend
question = request.POST["question"]
if question == "":
return redirect(home)
# use the jar file
# read the json file
module_dir = os.path.dirname(__file__)
file_path = os.path.join(module_dir, "output.json")
json_file = open(file_path)
data = json.load(json_file)
json_file.close()
# check for other result types
uris = []
for result in data["result-set"]:
if result["type"] == "uri":
uris.append(result["value"])
# Using panorama
solution_graph = Graph()
print "Downloading resources:"
# TODO: check efficiency
for uri in uris:
print "Downloading ", uri
solution_graph.parse(uri)
print "RDF Graph:"
for term in solution_graph:
logging.debug(term)
print "Creating Fresnel Graph"
f = open("panorama/data/person_foaf.n3")
fresnel_data = f.read()
fresnel = Fresnel(fresnel_data)
print "Making selection"
selector = Selector(fresnel, solution_graph)
selector.select()
print "Formatting"
formatter = Formatter(selector)
formatter.format()
data = ""
for resource in formatter.result:
data += resource.render()
return render_to_response(
"answer.html", {"result": data, "question": question}, context_instance=RequestContext(request)
)
def askPage(request):
#TODO: from question get the SPARQL Query, integrate with backend
SPARQL = """PREFIX yago: <http://dbpedia.org/class/yago/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT DISTINCT ?uri ?string
WHERE {
?uri rdf:type yago:RussianCosmonauts .
?uri rdf:type yago:FemaleAstronauts .
OPTIONAL { ?uri rdfs:label ?string. FILTER (lang(?string) = 'en') }
} """
SPARQL1 = """PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT DISTINCT ?uri ?string
WHERE {
res:Brooklyn_Bridge dbo:crosses ?uri .
OPTIONAL { ?uri rdfs:label ?string. FILTER (lang(?string) = 'en') }
}"""
print "SPARQL query...", SPARQL
print "Querying endpoint..."
#Query the endpoint and get result
result_graph = queryEndpoint( SPARQL )
print result_graph
print "Result..."
for term in result_graph:
print term
print "Extracting solution nodes from result..."
#Parse the resultset and get the URIs
uris = extractSolutions( result_graph )
print "Solutions..."
for node in uris:
print node
#Using panorama
solution_graph = Graph()
print "Downloading resources..."
#TODO: check efficiency
for uri in uris:
print "for uri ", uri
solution_graph.parse( uri )
print "RDF Graph..."
for term in solution_graph:
print term
print "Creating Fresnel Graph.."
f = open('panorama/data/person_foaf.n3')
fresnel_data = f.read()
fresnel = Fresnel( fresnel_data )
print "Making selection.."
selector = Selector( fresnel , solution_graph)
selector.select()
print "Formatting..."
formatter = Formatter( selector )
formatter.format()
data = "<html>\n<head><link rel='stylesheet' type='text/css' href='/static/style.css'></head>\n<body>\n"
for resource in formatter.result:
data += resource.render()
data += "</body>\n</html>"
return HttpResponse( data )