def sim_lex_bk(self,head,dep): ##similarity based on dependency of words
##handle special cases, if some counts are zero, there will be lookup error
##Question::: lowercases????
##This is not the Backup version.
num_c = find_head_dep(self.cache,head,dep)
if num_c =="empty":
numerator = dbtool.get_count_head_dep(self.lexdb, head, dep)
cache_head_dep(self.cache,numerator,head,dep)
else:
numerator = num_c
demon1_c = find_head(self.cache,head)
if demon1_c == "empty":
demon1 = dbtool.get_count_head(self.lexdb, head)
cache_head(self.cache,demon1,head)
else:
demon1 = demon1_c
demon2_c = find_dep(self.cache,dep)
if demon2_c == "empty":
demon2 = dbtool.get_count_dep(self.lexdb, dep)
cache_dep(self.cache,demon2,dep)
else:
demon2 = demon2_c
if (demon1 + demon2) ==0:
return 0
else:
return 1.0* numerator/ (demon1 + demon2)
def sim_pos_ea_bk(self,head,dep,label): ##similarity based on dependency of words
num_c = find_head_dep(self.cache,head,dep)
if num_c =="empty":
numerator = dbtool.get_count_head_dep(self.posdb, head, dep)
cache_head_dep(self.cache,numerator,head,dep)
else:
numerator = num_c
demon1_c = find_head(self.cache,head)
if demon1_c == "empty":
demon1 = dbtool.get_count_head(self.posdb, head)
cache_head(self.cache,demon1,head)
else:
demon1 = demon1_c
demon2_c = find_dep(self.cache,dep)
if demon2_c == "empty":
demon2 = dbtool.get_count_dep(self.posdb, dep)
cache_dep(self.cache,demon2,dep)
else:
demon2 = demon2_c
if (demon1 + demon2) ==0:
return 0
else:
return 1.0* numerator/ (demon1 + demon2)