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SARI.py
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from __future__ import division
from collections import Counter
import sys
def ReadInFile (filename):
with open(filename) as f:
lines = f.readlines()
lines = [x.strip() for x in lines]
return lines
def SARIngram(sgrams, cgrams, rgramslist, numref):
rgramsall = [rgram for rgrams in rgramslist for rgram in rgrams]
rgramcounter = Counter(rgramsall)
sgramcounter = Counter(sgrams)
sgramcounter_rep = Counter()
for sgram, scount in sgramcounter.items():
sgramcounter_rep[sgram] = scount * numref
cgramcounter = Counter(cgrams)
cgramcounter_rep = Counter()
for cgram, ccount in cgramcounter.items():
cgramcounter_rep[cgram] = ccount * numref
# KEEP
keepgramcounter_rep = sgramcounter_rep & cgramcounter_rep
keepgramcountergood_rep = keepgramcounter_rep & rgramcounter
keepgramcounterall_rep = sgramcounter_rep & rgramcounter
keeptmpscore1 = 0
keeptmpscore2 = 0
for keepgram in keepgramcountergood_rep:
keeptmpscore1 += keepgramcountergood_rep[keepgram] / keepgramcounter_rep[keepgram]
keeptmpscore2 += keepgramcountergood_rep[keepgram] / keepgramcounterall_rep[keepgram]
#print "KEEP", keepgram, keepscore, cgramcounter[keepgram], sgramcounter[keepgram], rgramcounter[keepgram]
keepscore_precision = 0
if len(keepgramcounter_rep) > 0:
keepscore_precision = keeptmpscore1 / len(keepgramcounter_rep)
keepscore_recall = 0
if len(keepgramcounterall_rep) > 0:
keepscore_recall = keeptmpscore2 / len(keepgramcounterall_rep)
keepscore = 0
if keepscore_precision > 0 or keepscore_recall > 0:
keepscore = 2 * keepscore_precision * keepscore_recall / (keepscore_precision + keepscore_recall)
# DELETION
delgramcounter_rep = sgramcounter_rep - cgramcounter_rep
delgramcountergood_rep = delgramcounter_rep - rgramcounter
delgramcounterall_rep = sgramcounter_rep - rgramcounter
deltmpscore1 = 0
deltmpscore2 = 0
for delgram in delgramcountergood_rep:
deltmpscore1 += delgramcountergood_rep[delgram] / delgramcounter_rep[delgram]
deltmpscore2 += delgramcountergood_rep[delgram] / delgramcounterall_rep[delgram]
delscore_precision = 0
if len(delgramcounter_rep) > 0:
delscore_precision = deltmpscore1 / len(delgramcounter_rep)
delscore_recall = 0
if len(delgramcounterall_rep) > 0:
delscore_recall = deltmpscore1 / len(delgramcounterall_rep)
delscore = 0
if delscore_precision > 0 or delscore_recall > 0:
delscore = 2 * delscore_precision * delscore_recall / (delscore_precision + delscore_recall)
# ADDITION
addgramcounter = set(cgramcounter) - set(sgramcounter)
addgramcountergood = set(addgramcounter) & set(rgramcounter)
addgramcounterall = set(rgramcounter) - set(sgramcounter)
addtmpscore = 0
for addgram in addgramcountergood:
addtmpscore += 1
addscore_precision = 0
addscore_recall = 0
if len(addgramcounter) > 0:
addscore_precision = addtmpscore / len(addgramcounter)
if len(addgramcounterall) > 0:
addscore_recall = addtmpscore / len(addgramcounterall)
addscore = 0
if addscore_precision > 0 or addscore_recall > 0:
addscore = 2 * addscore_precision * addscore_recall / (addscore_precision + addscore_recall)
return (keepscore, delscore_precision, addscore)
def SARIsent (ssent, csent, rsents) :
numref = len(rsents)
s1grams = ssent.lower().split(" ")
c1grams = csent.lower().split(" ")
s2grams = []
c2grams = []
s3grams = []
c3grams = []
s4grams = []
c4grams = []
r1gramslist = []
r2gramslist = []
r3gramslist = []
r4gramslist = []
for rsent in rsents:
r1grams = rsent.lower().split(" ")
r2grams = []
r3grams = []
r4grams = []
r1gramslist.append(r1grams)
for i in range(0, len(r1grams)-1) :
if i < len(r1grams) - 1:
r2gram = r1grams[i] + " " + r1grams[i+1]
r2grams.append(r2gram)
if i < len(r1grams)-2:
r3gram = r1grams[i] + " " + r1grams[i+1] + " " + r1grams[i+2]
r3grams.append(r3gram)
if i < len(r1grams)-3:
r4gram = r1grams[i] + " " + r1grams[i+1] + " " + r1grams[i+2] + " " + r1grams[i+3]
r4grams.append(r4gram)
r2gramslist.append(r2grams)
r3gramslist.append(r3grams)
r4gramslist.append(r4grams)
for i in range(0, len(s1grams)-1) :
if i < len(s1grams) - 1:
s2gram = s1grams[i] + " " + s1grams[i+1]
s2grams.append(s2gram)
if i < len(s1grams)-2:
s3gram = s1grams[i] + " " + s1grams[i+1] + " " + s1grams[i+2]
s3grams.append(s3gram)
if i < len(s1grams)-3:
s4gram = s1grams[i] + " " + s1grams[i+1] + " " + s1grams[i+2] + " " + s1grams[i+3]
s4grams.append(s4gram)
for i in range(0, len(c1grams)-1) :
if i < len(c1grams) - 1:
c2gram = c1grams[i] + " " + c1grams[i+1]
c2grams.append(c2gram)
if i < len(c1grams)-2:
c3gram = c1grams[i] + " " + c1grams[i+1] + " " + c1grams[i+2]
c3grams.append(c3gram)
if i < len(c1grams)-3:
c4gram = c1grams[i] + " " + c1grams[i+1] + " " + c1grams[i+2] + " " + c1grams[i+3]
c4grams.append(c4gram)
(keep1score, del1score, add1score) = SARIngram(s1grams, c1grams, r1gramslist, numref)
(keep2score, del2score, add2score) = SARIngram(s2grams, c2grams, r2gramslist, numref)
(keep3score, del3score, add3score) = SARIngram(s3grams, c3grams, r3gramslist, numref)
(keep4score, del4score, add4score) = SARIngram(s4grams, c4grams, r4gramslist, numref)
avgkeepscore = sum([keep1score,keep2score,keep3score,keep4score])/4
avgdelscore = sum([del1score,del2score,del3score,del4score])/4
avgaddscore = sum([add1score,add2score,add3score,add4score])/4
finalscore = (avgkeepscore + avgdelscore + avgaddscore ) / 3
return finalscore
def main():
fnamecomp = "./turkcorpus/test.8turkers.tok.comp"
fnamesimp = "./turkcorpus/test.8turkers.tok.simp"
fnameturk = "./turkcorpus/test.8turkers.tok.turk."
ssent = "About 95 species are currently accepted ." #input
csent1 = "About 95 you now get in ." #output
csent2 = "About 95 species are now agreed ." #output
csent3 = "About 95 species are currently agreed ." #output
rsents = ["About 95 species are currently known .", "About 95 species are now accepted .", "95 species are now accepted ."]
print(SARIsent(ssent, csent1, rsents))
print(SARIsent(ssent, csent2, rsents))
print(SARIsent(ssent, csent3, rsents))
if __name__ == '__main__':
main()