pi[i][j][X] = max_score
bp[i][j][X] = best_rule
parse = decode(bp, 0, n-1, start)
return parse
def decode(bp, i, j, X):
if i == j:
nonterm, word = bp[i][j][X].split('~~')
return '( ' + nonterm + ' ' + word + ' )'
Y, Z, split_pos = bp[i][j][X].split(' ')
s = int(split_pos)
return '( ' + X + ' ' + decode(bp, i, s, Y) + ' ' + decode(bp, s+1, j, Z) + ' )'
if __name__ == "__main__":
#print "reading pcfg..."
prob, pcfg_b, nonterms, start = hw3_utils.get_pcfg(sys.argv[1])
hw3_utils.print_size(prob)
hw3_utils.print_size(pcfg_b)
#print "reading data..."
sentences = hw3_utils.get_sentences(sys.argv[2])
#print "parsing using cky..."
parsefile = open("candidate_parses_test.out", "w")
total_diff = 0
for sentence in sentences:
if True:#len(sentence) <= 10:
start_time = time()
print sentences.index(sentence), ": size=", len(sentence)
parse = run(sentence, nonterms, start, prob, pcfg_b, None)
parsefile.write(parse + '\n')
bp[i][j][X] = Y + ' ' + Z + ' ' + str(s)
parse = decode(bp, 0, n-1, start)
return parse
def decode(bp, i, j, X):
if i == j:
nonterm, word = bp[i][j][X].split('~~')
return '( ' + nonterm + ' ' + word + ' )'
Y, Z, split_pos = bp[i][j][X].split(' ')
s = int(split_pos)
return '( ' + X + ' ' + decode(bp, i, s, Y) + ' ' + decode(bp, s+1, j, Z) + ' )'
if __name__ == "__main__":
#print "reading pcfg..."
pcfg_u, inv, leaves, start = hw3_utils.get_pcfg(sys.argv[1])
#print "reading data..."
sentences = hw3_utils.get_sentences(sys.argv[2])
#print "parsing using cky..."
parsefile = open("candidate_parses_test.out", "w")
total_diff = 0
for sentence in sentences:
if True:#len(sentence) <= 10:
start_time = time()
print sentences.index(sentence), ": size=", len(sentence)
parse = run(sentence, leaves, start, inv, pcfg_u, None)
parsefile.write(parse + '\n')
end_time = time()
diff = end_time - start_time
print parse_tags, "parser"
if agree(parse_tags, tags):
return k, tags, parse # converges in the kth iteration
y = compute_indicators(tags, tagset)
z = compute_indicators(parse_tags, tagset)
k += 1
step_size = 1.0/k
update(y, z, u, step_size)
return -1, tags, parse # does not converge
if __name__ == "__main__":
#print "reading pcfg..."
pcfg_u, pcfg, preterms, start = hw3_utils.get_pcfg(sys.argv[1])
# print "reading hmm..."
trans_file = sys.argv[2]
em_file = sys.argv[3]
hmm, tagset = hw3_utils.get_hmm_tagset(trans_file, em_file)
#print "reading data..."
sentences = hw3_utils.get_sentences(sys.argv[4])
#print "parsing using cky..."
parsefile = open("candidate_parses_test2.out", "w")
posfile = open("candidate_postags_test2.out", "w")
print "--------------------------------------------------------------------"
