Ppdb 2.0: Better Paraphrase Ranking, Fine-Grained Entailment Relations, Word Embeddings, And Style Classification

Ellie Pavlick,Pushpendre Rastogi,Juri Ganitkevitch,Benjamin Van Durme,Chris Callison-Burch

PROCEEDINGS OF THE 53RD ANNUAL MEETING OF THE ASSOCIATION FOR COMPUTATIONAL LINGUISTICS (ACL) AND THE 7TH INTERNATIONAL JOINT CONFERENCE ON NATURAL LANGUAGE PROCESSING (IJCNLP), VOL 2（2015）

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摘要

We present a new release of the Paraphrase Database. PPDB 2.0 includes a discriminatively re-ranked set of paraphrases that achieve a higher correlation with human judgments than PPDB 1.0's heuristic rankings. Each paraphrase pair in the database now also includes fine-grained entailment relations, word embedding similarities, and style annotations.

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