def __init__(self):
self.sparql = QueryExecution()
self.entityLinker = EntityLinkers('sparqllinker')
self.typeLinker = SynsetLinker()
self.query_processor = Query()
self.config = Configuration()
self.gpcs = ['gpc1','gpc2']
self.split_n = 5
self.qgp = QueryGraphPattern()
class Engine:
def __init__(self):
self.sparql = QueryExecution()
self.entityLinker = EntityLinkers('sparqllinker')
self.typeLinker = SynsetLinker()
self.query_processor = Query()
self.config = Configuration()
self.gpcs = ['gpc1','gpc2']
self.split_n = 5
self.qgp = QueryGraphPattern()
@staticmethod
def chunks(l, n):
""" Yield successive n-sized chunks from l.
"""
for i in xrange(0, len(l), n):
yield l[i:i+n]
@staticmethod
def remove_list_duplicates(lst):
return list(set(lst))
def type_entity_query_construction(self, query):
type_links = self.types(query)
entity_links = self.entities(query)
queries = []
for e in entity_links:
for gpc in self.gpcs:
for t in Engine.chunks(type_links, self.split_n):
queries.append(self.qgp.type_entity_query(gpc,t,e))
return queries
def entity_literal_query_construction(self, e, p):
pass
def search_types(self, query, sim, th):
return self.typeLinker.searching(query, sim, th)
def sparql_execution(self, name, queries):
results_dic = {}
for q in queries:
results = self.sparql.execute(name, q)
for key in results.keys():
if key not in results_dic:
results_dic[key] = results[key]
return [results_dic[key] for key in results_dic.keys()]
def types(self, query):
return self.typeLinker.linking(query)
def entities(self, query):
return self.entityLinker.linking(query)
def search(self, query):
queries = self.type_entity_query_construction(query)
return self.sparql_execution('teq', queries)
