Comments (4)
"For deletion, we only use precision because overdeleting hurts readability much more significantly than not deleting". The python and java implementations of SARI follow this rule. However, STAR (corpus-level SARI) does not. We made this decision for STAR very arbitrarily, since there weren't enough data to verify STAR's correlation with human judgements, given the limited number and varieties of text simplification systems back in 2016.
As for your second question -- I am not sure how you randomly selected the sentence, and why they would have very hight STAR scores. You may want to look into the separate Delete/Add/Keep scores, as well as SARI scores to figure out the reasons.
from simplification.
Many thanks for your reply!
As for the second question, I found that STAR.java might use the hardcode and fix the number of reference sentences to 8, which may cause this problem when testing on 1-reference corpus.
HashMap src_sub_cand = substractHashMap(srcNgramCounts[i][n], candNgramCounts[n], 8, 8);
HashMap src_sub_ref = substractHashMap(srcNgramCounts[i][n], refNgramCounts[i][n], 8, 1);
HashMap src_sub_cand_sub_ref = intersectHashMap(src_sub_cand, src_sub_ref, 1, 1)
from simplification.
Thanks for pointing this out!
I mostly used SARI for the paper and experiments, though wrote the STAR at some point during the project and released it just in case it might be useful to some people. I added your comments to the README as a temporal "fix" for now.
from simplification.
Many thanks for your reply, I have no more questions.
from simplification.
Related Issues (14)
- ZeroDivisionError in SARI.py HOT 1
- Details on pre-processing HOT 4
- how to run it step by step?
- Reason behind number of samples in validation and test for Turkcorpus HOT 2
- Access to Human Ratings HOT 1
- sentence-level human judgement data HOT 2
- can't download ppdb-1.0-xl-all-simp.gz dataset
- SARI does not work for short sequence?
- Is your project generating paraphrases from the given sentence? HOT 2
- The performance of SBMT (PPDB + SARI) = 37.91 from simplification/data/systemoutputs/sari30it.test.output.1best?
- STAR - corpus-level SARI HOT 3
- Recall score for the kept tokens in SARI HOT 2
- Difference between paper equations and code HOT 1
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