Lexicon-based paraphrase & abstractive summarization

Module 1: Paraphrasing

Using prolog to replace words with synonyms (same sense) having the same gramatical categories.

Module 2: Extractive Summarization

Rank sentence by the tf-idf algorithm and extractt top sentences as the summary.

Module 3: (Pseudo) Abstractive Summarization

Combine modules 1 and 2. Attempt to paraphrase every sentence of the extracted sentences.

Reference

Wordnet prolog database from Princeton: https://wordnet.princeton.edu/documentation/prologdb5wn