def searchForDbpediaURI(self, uri):
"""
Returns all sentences, which are tagged with the given DBpedia URI
"""
print "in searchForDbpediaURI"
uri_old = uri
uri = uri.replace("http://dbpedia.org/ontology/","")
uri = uri.replace("http://dbpedia.org/property/","")
uri = uri.replace("http://dbpedia.org/resource/","")
array = re.findall(r'[\w\s]+',uri)
uri = ""
for item in array:
uri+=item
try:
qp = QueryParser(Version.LUCENE_35, "URI", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(uri)
print "query: "+str(query)
MAX = 500000
result = []
hits = searcher.search(query, MAX)
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
dbpedia_uri = doc["URI"]
if dbpedia_uri == uri_old:
result.append([IndexUtils.sentence_wrapper(doc["Sentence"]), doc["X"], doc["Y"],dbpedia_uri])
return result
except:
print("Fail in uri: "+uri)
print "Unexpected error:", sys.exc_info()[0]
return result
def searchXYPair(self,x,y):
"""
Returns all sentences, which are tagged with the given two entities (x,y)
"""
tmp_hm = {}
if x == "" or y == "":
return []
try:
array = re.findall(r'[\w\s]+',x)
x = ""
for item in array:
x+=item
qp = QueryParser(Version.LUCENE_35, "X", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(x)
MAX = 100000
result_list = []
hits = searcher.search(query, MAX)
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
y_entry = doc["Y"]
if y_entry == y:
tmp_hm[doc["Sentence"]]=""
for key in tmp_hm:
result_list.append(IndexUtils.sentence_wrapper(key))
tmp_hm = {}
return result_list
except:
print("Fail (search XYPair) in x:"+x+" y:"+y)
print "Unexpected error:", sys.exc_info()[0]
print
return []
def searchKey(self, key , rank = None):
query = ""
try:
MAX = 100000
qp = QueryParser(Version.LUCENE_35, "key", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(key)
# print ("query",query)
hits = searcher.search(query, MAX)
sentence_list = []
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
try:
sentence_list.append(eval(doc.get("sentence").encode("utf-8")))
except:
print doc.get("sentence")
return sentence_list
except:
print("Fail in receiving sentence with term "+key)
print ("query",query)
print "Unexpected error:", sys.exc_info()[0]
# raw_input("wait")
print
return []
def searchForDbpediaURI(self, uri):
"""
Returns all anchor texts, which are related to the given DBpedia URI.
Also returns for each anchor text the corresponding URI and the number of how often the anchor appears on the english Wikipedia
"""
uri_old = uri
uri = uri.replace("http://dbpedia.org/resource/","")
array = re.findall(r'[\w\s]+',uri)
uri = ""
for item in array:
uri+=item
try:
qp = QueryParser(Version.LUCENE_35, "dbpedia_uri", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(uri)
MAX = 10000
result = []
hits = searcher.search(query, MAX)
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
dbpedia_uri = doc["dbpedia_uri"].encode("utf-8")
if dbpedia_uri == uri_old:
result.append([doc["anchor"].encode("utf-8"), doc["anchor_uri"].encode("utf-8"), dbpedia_uri, doc["number"].encode("utf-8")])
return result
except:
print("searchForDbpediaURI - Fail in uri: "+uri)
return []
def does_line_existNew(self,line,x,y):
"""
Checks, if parsed sentence already exists in index
"""
query = ""
try:
array = re.findall(r'[\w]+',line)
string = ""
for item in array:
string+=item+" "
qp = QueryParser(Version.LUCENE_35, "Sentence", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(string)
MAX = 10
hits = searcher.search(query, MAX)
if len(hits.scoreDocs)>0:
return True
else:
return False
except Exception:
s_tmp = str(sys.exc_info())
if "too many boolean clauses" in s_tmp:
print "too many boolean clauses"
"""
Returns true, so that the sentence is not added each time, to avoid further error messages.
Only occours with very large sentences.
"""
return True
else:
print "Unexpected error:", sys.exc_info()[0]
print "in does line exist"
print s_tmp
return False
def searchString(self, string):
'searches for a string and returns an array of POS-tagged sentences'
query = ""
#print("Input String: ",string)
try:
MAX = 100000
#for dates such as 1931.08.06
string = string.replace("."," ")
array = re.findall(r'[\w\s]+',string)
string = ""
for item in array:
string+=item
#print("Input String2: ",string)
qp = QueryParser(Version.LUCENE_35, "sentence", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(string)
#print ("query",query)
hits = searcher.search(query, MAX)
#print len(hits)
sentence_list = []
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
#print doc.get("sentence")
sentence_list.append(eval(doc.get("sentence").encode("utf-8")))
return sentence_list
except:
print("Fail in receiving sentence with term "+string+" in search term")
print ("query",query)
print "Unexpected error:", sys.exc_info()[0]
# raw_input("wait")
print
return []
def query(indexName, queryString):
indSearcher = IndexSearcher(SimpleFSDirectory(File(indexName)))
qp = QueryParser(Version.LUCENE_CURRENT, "content", StandardAnalyzer(Version.LUCENE_CURRENT))
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(queryString.replace("-","_"))
aux = indSearcher.search(query, 100)
results = aux.scoreDocs
hits = aux.totalHits
ir = indSearcher.getIndexReader()
#results = collector.topDocs()
i = 0
res = []
for r in results:
doc = ir.document(i)
res.insert(i, doc.get('id'))
i+=1
return res
def search(self, string ,special = None):
query = ""
try:
MAX = 100000
#for dates such as 1931.08.06
string = string.replace("."," ")
array = re.findall(r'[\w\s]+',string)
string = ""
for item in array:
string+=item
qp = QueryParser(Version.LUCENE_35, "title", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(string)
# print ("query",query)
hits = searcher.search(query, MAX)
sentence_list = []
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
sentence_list.append(doc.get("title").encode("utf-8"))
return sentence_list
except:
print("Fail in receiving sentence with term "+string)
print ("query",query)
print "Unexpected error:", sys.exc_info()[0]
# raw_input("wait")
print
return []
def getResultScoreDocs(query):
# create analyzer
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
# create parser for user submitted query
parser = QueryParser(Version.LUCENE_CURRENT, "title", analyzer)
parser.setDefaultOperator(QueryParser.Operator.AND)
formatted_query = parser.parse(query)
scoreDocs = searcher.search(formatted_query, 50).scoreDocs
return scoreDocs
def getResultScoreDocs(query):
# create analyzer
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
# create parser for user submitted query
parser = QueryParser(Version.LUCENE_CURRENT, "title", analyzer)
parser.setDefaultOperator(QueryParser.Operator.AND)
formatted_query = parser.parse(query)
scoreDocs = searcher.search(formatted_query, 50).scoreDocs
return scoreDocs
def does_line_exist(self,line,x,y):
"""
Old, more complex function if a sentence already exists in the index.
Not used in the moment
"""
return self.does_line_existNew(line, x, y)
try:
array = re.findall(r'[\w\s]+',x)
x = ""
for item in array:
x+=item
qp = QueryParser(Version.LUCENE_35, "X", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(x)
MAX = 100000
hits = searcher.search(query, MAX)
#First check, if an x already exists
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
y_entry = doc["Y"]
if y_entry == y:
print "y found"
print
try:
array = re.findall(r'[\w\s]+',line)
string = ""
for item in array:
string+=item
qp = QueryParser(Version.LUCENE_35, "Sentence", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(string)
MAX = 10
hits = searcher.search(query, MAX)
if len(hits.scoreDocs)>0:
return True
except Exception:
s_tmp = str(sys.exc_info())
if "too many boolean clauses" in s_tmp:
print "too many boolean clauses"
return True
else:
print "Unexpected error:", sys.exc_info()[0]
print "in does line exist"
print s_tmp
print 'nothing found'
return False
except:
print("Fail (does line exists) in x:"+x+" y:"+y)
print "Unexpected error:", sys.exc_info()[0]
print
def run(command):
if command == '':
return None
STORE_DIR = "index"
initVM(CLASSPATH)
directory = FSDirectory.getDirectory(STORE_DIR, False)
searcher = IndexSearcher(directory)
analyzer = StandardAnalyzer()
parser = QueryParser("contents", analyzer)
parser.setDefaultOperator(QueryParser.Operator.AND)
parser.setFuzzyMinSim(0.2)
query = parser.parse(command)
hits = map(transform, searcher.search(query))
searcher.close()
return hits
def searchForDbpediaURImax(self, uri, number):
"""
Returns maximal the number of anchor texts, which are related to the given DBpedia URI.
Also returns for each anchor text the corresponding URI and the number of how often the anchor appears on the English Wikipedia
"""
uri_old = uri
uri = uri.replace("http://dbpedia.org/resource/","")
array = re.findall(r'[\w\s]+',uri)
uri = ""
for item in array:
uri+=item
try:
qp = QueryParser(Version.LUCENE_35, "dbpedia_uri", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(uri)
MAX = 10000
result = []
hits = searcher.search(query, MAX)
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
dbpedia_uri = doc["dbpedia_uri"].encode("utf-8")
if dbpedia_uri == uri_old:
result.append([doc["anchor"].encode("utf-8"), doc["anchor_uri"].encode("utf-8"), dbpedia_uri, int(doc["number"].encode("utf-8"))])
result = sorted(result, key = itemgetter(3), reverse=True)
if len(result) > number:
return result[0:number]
else:
return result
return result
except:
print("searchForDbpediaURImax - Fail in uri: "+uri)
print "Unexpected error:", sys.exc_info()[0]
# raise
print
return []
def test_search(index_dir):
'''
The test function to test the created index
'''
store = SimpleFSDirectory(File(index_dir))
searcher = IndexSearcher(store, True)
parser = QueryParser(Version.LUCENE_CURRENT, "keywords", STD_ANALYZER)
parser.setDefaultOperator(QueryParser.Operator.AND)
query = parser.parse('email_subject:Training')
start = datetime.datetime.now()
scoreDocs = searcher.search(query, 50).scoreDocs
duration = datetime.datetime.now() - start
print "Found %d document(s) (in %s) that matched query '%s':" %(len(scoreDocs), duration, query)
for scoreDoc in scoreDocs:
doc = searcher.doc(scoreDoc.doc)
print scoreDoc.score
table = dict((field.name(), field.stringValue())
for field in doc.getFields())
print table
def similar(command, docno):
STORE_DIR = "index"
initVM(CLASSPATH)
directory = FSDirectory.getDirectory(STORE_DIR, False)
searcher = IndexSearcher(directory)
analyzer = StandardAnalyzer()
parser = QueryParser("contents", analyzer)
parser.setDefaultOperator(QueryParser.Operator.AND)
parser.setFuzzyMinSim(0.2)
query = parser.parse(command)
hits = searcher.search(query)
document = hits.id(docno)
ir = IndexReader.open(STORE_DIR)
mlt = MoreLikeThis(ir)
mlt.setFieldNames(['name', 'contents'])
mlt.setMinWordLen(2)
mlt.setBoost(True)
query = mlt.like(document)
hits = map(transform, searcher.search(query))
searcher.close()
return hits
def search(self, query,category_id=None):
SHOULD = BooleanClause.Occur.SHOULD
#MultiFieldQueryParser.setOperator(QueryParser.DEFAULT_OPERATOR_AND);
parser1 = QueryParser('summary',self.analyzer)
parser2 = QueryParser('title',self.analyzer)
parser1.setDefaultOperator(QueryParser.AND_OPERATOR)
parser2.setDefaultOperator(QueryParser.AND_OPERATOR)
q1 = parser1.parse(query)
q2 = parser2.parse(query)
boolQuery = BooleanQuery()
boolQuery.add(q1,SHOULD)
boolQuery.add(q2,SHOULD)
#camp = CategoryComparatorSource(query)
#sortfield = SortField("link", camp)
#sort = Sort(sortfield)
if category_id:
self.catfilter.query = query
self.catfilter.category_id = category_id
hits = self.searcher.search(boolQuery,self.catfilter)
else:
hits = self.searcher.search(boolQuery)
return hits
def searchForXY(self, uri):
print "in searchForDbpediaURI"
uri_old = uri
uri = uri.replace("http://dbpedia.org/ontology/","")
uri = uri.replace("http://dbpedia.org/property/","")
uri = uri.replace("http://dbpedia.org/resource/","")
array = re.findall(r'[\w\s]+',uri)
uri = ""
for item in array:
uri+=item
hm = {}
try:
qp = QueryParser(Version.LUCENE_35, "URI", analyzer)
qp.setDefaultOperator(qp.Operator.AND)
query = qp.parse(uri)
print "query: "+str(query)
MAX = 500000
result = []
hits = searcher.search(query, MAX)
#print len(hits)
for hit in hits.scoreDocs:
doc = searcher.doc(hit.doc)
dbpedia_uri = doc["URI"].encode("utf-8")
if dbpedia_uri == uri_old:
x = doc["X"]
y = doc["Y"]
term = x+" "+y
if hm.has_key(term):
pass
else:
hm[term] = ""
result.append([x,y])
return result
except:
print("Fail in uri: "+uri)
return []
def run(searcher, parser):
while True:
print
print "Hit enter with no input to quit."
command = raw_input("Query: ")
if command == '':
return
print "Searching for:", command
query = parser.parse(command)
hits = searcher.search(query, Sort("population", True))
print "%s total matching documents." % hits.length()
for hit in hits:
doc = Hit.cast_(hit).getDocument()
print 'name:', doc.get("name"), ' state:', doc.get("state")
if __name__ == '__main__':
STORE_DIR = "index"
initVM(CLASSPATH)
print 'lucene', VERSION
directory = FSDirectory.getDirectory(STORE_DIR)
searcher = IndexSearcher(directory)
analyzer = StopAnalyzer()
parser = QueryParser("all_names", analyzer)
parser.setDefaultOperator(parser.AND_OPERATOR)
run(searcher, parser)
searcher.close()
format = a
elif o == "--index":
indexDir = a
elif o == "--stats":
stats = True
class CustomTemplate(Template):
delimiter = '#'
template = CustomTemplate(format)
fsDir = SimpleFSDirectory(File(indexDir))
searcher = IndexSearcher(fsDir, True)
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
parser = QueryParser(Version.LUCENE_CURRENT, "keywords", analyzer)
parser.setDefaultOperator(QueryParser.Operator.AND)
query = parser.parse(' '.join(args))
start = datetime.now()
scoreDocs = searcher.search(query, 50).scoreDocs
duration = datetime.now() - start
if stats:
print >>sys.stderr, "Found %d document(s) (in %s) that matched query '%s':" %(len(scoreDocs), duration, query)
for scoreDoc in scoreDocs:
doc = searcher.doc(scoreDoc.doc)
table = dict((field.name(), field.stringValue())
for field in doc.getFields())
print template.substitute(table)
def search_by_field(self,query,field='summary'):
parser = QueryParser(field,self.analyzer)
parser.setDefaultOperator(QueryParser.AND_OPERATOR)
q = parser.parse(query)
return self.searcher.search(q)
if o == "--format":
format = a
elif o == "--index":
indexDir = a
elif o == "--stats":
stats = True
class CustomTemplate(Template):
delimiter = '#'
template = CustomTemplate(format)
fsDir = SimpleFSDirectory(indexDir)
searcher = IndexSearcher(fsDir, True)
parser = QueryParser(Version.LUCENE_CURRENT, "keywords", StandardAnalyzer(Version.LUCENE_CURRENT))
parser.setDefaultOperator(QueryParser.Operator.AND)
query = parser.parse(' '.join(args))
start = datetime.now()
scoreDocs = searcher.search(query, 50).scoreDocs
duration = datetime.now() - start
if stats:
print >>sys.stderr, "Found %d document(s) (in %s) that matched query '%s':" %(len(scoreDocs), duration, query)
for scoreDoc in scoreDocs:
doc = searcher.doc(scoreDoc.doc)
table = dict((field.name(), field.stringValue())
for field in doc.getFields())
print template.substitute(table)