Comments (3)
This is be design. We actually generate the first word given START, so the
first generation is a bigram. This is the way SRILM models things, and
generally accepted, as far as I know.
If the model were a 5-gram, then the first word would be generated as a bigram,
the second as a trigram, and so on.
Original comment by [email protected]
on 20 Mar 2014 at 6:30
- Changed state: WontFix
from berkeleylm.
Ok - thanks a lot for that info. Few questions on the design
1. Can you let me know why the loop starts from i=1, rather than i=0.
2. Also why is it i + lm_.getLmOrder() ? Is the endPos non inclusive ?
E.G if i is 1 and getLmOrder() is 3, startpos and endpos will be 1 and 4. If I
am looking for tri-grams, I would have thought startpos and endpos should be 1
and 3.
3. I am loading google books binary in my code and need only trigram log
probabilities. Going by your explanation of using a bigram for the start of the
sentence, should I pass 0,1 as the startpos and endpos of the first gram ? And
then again 0,2 as the startpost and endpos of the next gram? and then follow it
up by 1,3 ?
WOuld be grateful again for your help on this
Original comment by [email protected]
on 21 Mar 2014 at 5:36
from berkeleylm.
1. The sentence already has start markers, and we don't generate start.
2. endPos is non-inclusive, you're right.
3. I'm confused why you are writing your own code? AWhat exactly is the score
you want to compute? Why can't you just use ComputeLogProbabilityOfTextStream?
Original comment by [email protected]
on 7 Sep 2014 at 7:05
from berkeleylm.
Related Issues (20)
- ArrayIndexOutOfBoundsException while calling getLogProb HOT 8
- Runtime exception: Hash map is full with 100 keys. Should never happen. HOT 16
- What's the log base of NgramLanguageModel.getLogProb() ? HOT 5
- Can I feed this library raw counts instead of text files, and have it compute the Kneser Ney probabilities for me? HOT 1
- ArrayOutOfBoundsException when reading in a large ARPA file. HOT 7
- Are the log probabilities comparable across language models? HOT 4
- Cannot train unigram model with Kneser-Ney HOT 2
- Unrealistic perplexity HOT 3
- broken link on http://tomato.banatao.berkeley.edu:8080/berkeleylm_binaries/ HOT 1
- Getting NAN on last trigram when using google binary HOT 1
- Trying to build a language model on higher-order n-grams. HOT 3
- Frequency Map HOT 1
- Calculating log probability over larger document
- Unknown Values
- Old mvn file
- no start token with LmReaders.readNgramMapFromBinary?
- no license information
- Documentation, usage, etc.
- creating and reading arpa files is 1. locale dependant 2. seems to have problems with multiple tabs in the text 3. seems to have some problem with the lack of newlines HOT 3
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