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TOP-Rank: A Topical Postion Rank for Extraction and Classification of Key phrases in Text - 2021

Research Area:  Machine Learning


Keyphrase extraction is the task of extracting the most important phrases from a document. Automatic keyphrase extraction attempts to itemize a document content as metainformation and facilitate efficient information retrieval. In this paper we propose TOP-Rank, an approach for keyphrase extraction and keyphrase classification. For keyphrase extraction, we build an approach based on the position of keyphrases in the document and expand it with topical ranking of keyphrases. In particular, keyphrase extraction technique analyzes the documents and extracts keyphrases from the document by giving a higher rank to topical phrases. After keyphrase extraction, we classify keyphrases as process, material and task. Our evaluation on diverse datasets shows that TOP-Rank achieves F1-score of 0.73 for keyphrase classification improving upon state-of-the-art methods by a huge margin.

Author(s) Name:  Mubashar Nazar Awan,Mirza Omer Beg

Journal name:  Computer Speech & Language

Conferrence name:  

Publisher name:  Elsevier

DOI:  10.1016/j.csl.2020.101116

Volume Information:  Volume 65, January 2021, 101116