old_contents: __author__ = 'Nick Hirakawa'
  
  from invdx import build_data_structures
  from rank import score_BM25
  import operator
  
  
  class QueryProcessor:
  	def __init__(self, queries, corpus):
  		self.queries = queries
  		self.index, self.dlt = build_data_structures(corpus)
  
  	def run(self):
  		results = []
  		for query in self.queries:
  			results.append(self.run_query(query))
  		return results
  
  	def run_query(self, query):
  		query_result = dict()
  		for term in query:
  			if term in self.index:
  				doc_dict = self.index[term] # retrieve index entry
  				for docid, freq in doc_dict.iteritems(): #for each document and its word frequency
  					score = score_BM25(n=len(doc_dict), f=freq, qf=1, r=0, N=len(self.dlt),
  									   dl=self.dlt.get_length(docid), avdl=self.dlt.get_average_length()) # calculate score
  					if docid in query_result: #this document has already been scored once
  						query_result[docid] += score
  					else:
  						query_result[docid] = score
  		return query_result
new_contents: __author__ = 'Nick Hirakawa'
  
  from invdx import build_data_structures
  from rank import score_BM25
  import operator
  
  
  class QueryProcessor:
  	def __init__(self, queries, corpus):
  		self.queries = queries
  		self.index, self.dlt = build_data_structures(corpus)
  
  	def run(self):
  		results = []
  		for query in self.queries:
  			results.append(self.run_query(query))
  		return results
  
  	def run_query(self, query):
  		query_result = dict()
  		for term in query:
  			if term in self.index:
  				doc_dict = self.index[term] # retrieve index entry
  				for docid, freq in doc_dict.items(): #for each document and its word frequency
  					score = score_BM25(n=len(doc_dict), f=freq, qf=1, r=0, N=len(self.dlt),
  									   dl=self.dlt.get_length(docid), avdl=self.dlt.get_average_length()) # calculate score
  					if docid in query_result: #this document has already been scored once
  						query_result[docid] += score
  					else:
  						query_result[docid] = score
  		return query_result
  
subject: Update query.py