ROUGE-LSUM Score
- ROGUE-LSUM is the average of all LCS on sentence level.
- Where ROUGE-L Score doesn't care about new line, Rogue-LSUM takes LCS only from each sentences
- ROGUE = Recall-Oriented Understudy for Gisting Evaluation
- As ROGUE compare with the ALL target sentences, it is often compared with Recall
- Heavily used in Text Summarization, Also usually used in Machine Translation with BLEU Score
- ROGUE-LSUM is used more on those cases where sentence level similarity is needed
ROGUE-LSUM Score
Problems with ROGUE Score
- Hard to compare with different tokenizers
- Doesn't consider synonyms