summaryrefslogtreecommitdiff
path: root/python/cdec/sa/features.py
diff options
context:
space:
mode:
authorMichael Denkowski <mdenkows@cs.cmu.edu>2014-03-07 01:52:09 -0800
committerMichael Denkowski <mdenkows@cs.cmu.edu>2014-03-07 01:52:09 -0800
commitfcf92357806816bb65dade6f761fa08448f88f71 (patch)
tree681aa2f4319ebfe1bf9e1d6a748e504cfae72790 /python/cdec/sa/features.py
parent256070339f557e295c1e90e9a451c82731d5c223 (diff)
More online bilex updates
Diffstat (limited to 'python/cdec/sa/features.py')
-rw-r--r--python/cdec/sa/features.py63
1 files changed, 10 insertions, 53 deletions
diff --git a/python/cdec/sa/features.py b/python/cdec/sa/features.py
index 3e6af859..1779f2f9 100644
--- a/python/cdec/sa/features.py
+++ b/python/cdec/sa/features.py
@@ -44,60 +44,22 @@ def MaxLexEgivenF(ttable):
def MaxLexEgivenF(ctx):
fwords = ctx.fphrase.words
fwords.append('NULL')
- # Always use this for now
- if not ctx.online or ctx.online:
- maxOffScore = 0.0
- for e in ctx.ephrase.words:
- maxScore = max(ttable.get_score(f, e, 0) for f in fwords)
- maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
- return maxOffScore
- else:
- # For now, straight average
- maxOffScore = 0.0
- maxOnScore = 0.0
- for e in ctx.ephrase.words:
- maxScore = max(ttable.get_score(f, e, 0) for f in fwords)
- maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
- for e in ctx.ephrase:
- if not isvar(e):
- maxScore = 0.0
- for f in ctx.fphrase:
- if not isvar(f):
- b_f = ctx.online.bilex_f.get(f, 0)
- if b_f:
- maxScore = max(maxScore, ctx.online.bilex_fe.get(f, {}).get(e))
- maxOnScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
- return (maxOffScore + maxOnScore) / 2
+ maxOffScore = 0.0
+ for e in ctx.ephrase.words:
+ maxScore = max(ttable.get_score(f, e, 0) for f in fwords)
+ maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+ return maxOffScore
return MaxLexEgivenF
def MaxLexFgivenE(ttable):
def MaxLexFgivenE(ctx):
ewords = ctx.ephrase.words
ewords.append('NULL')
- # Always use this for now
- if not ctx.online or ctx.online:
- maxOffScore = 0.0
- for f in ctx.fphrase.words:
- maxScore = max(ttable.get_score(f, e, 1) for e in ewords)
- maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
- return maxOffScore
- else:
- # For now, straight average
- maxOffScore = 0.0
- maxOnScore = 0.0
- for f in ctx.fphrase.words:
- maxScore = max(ttable.get_score(f, e, 1) for e in ewords)
- maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
- for f in ctx.fphrase:
- if not isvar(f):
- maxScore = 0.0
- for e in ctx.ephrase:
- if not isvar(e):
- b_e = ctx.online.bilex_e.get(e, 0)
- if b_e:
- maxScore = max(maxScore, ctx.online.bilex_fe.get(f, {}).get(e, 0) / b_e )
- maxOnScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
- return (maxOffScore + maxOnScore) / 2
+ maxOffScore = 0.0
+ for f in ctx.fphrase.words:
+ maxScore = max(ttable.get_score(f, e, 1) for e in ewords)
+ maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+ return maxOffScore
return MaxLexFgivenE
def IsSingletonF(ctx):
@@ -140,8 +102,3 @@ def IsSupportedOnline(ctx): # Occurs in online data?
return (ctx.online.paircount > 0.01)
else:
return False
-
-def CountExceptLM(vocab):
- def CountExceptLM(ctx): # Word count in bitext (inc online data) but NOT mono text
- return sum(1 for e in ctx.ephrase.words if e not in vocab)
- return CountExceptLM