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DOI: 10.14569/IJACSA.2022.0130433
PDF

KP-USE: An Unsupervised Approach for Key-Phrases Extraction from Documents

Author 1: Lahbib Ajallouda
Author 2: Fatima Zahra Fagroud
Author 3: Ahmed Zellou
Author 4: Elhabib Ben Lahmar

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 13 Issue 4, 2022.

  • Abstract and Keywords
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Abstract: Automatic key-phrase extraction (AKE) is one of the most popular research topics in the field of natural language processing (NLP). Several techniques were used to extract the key-phrases: statistical, graph-based, classification algorithms, deep learning, and embedding techniques. AKE approaches that use embedding techniques are based on calculating the semantic similarity between a vector representing the document and the vectors representing the candidate phrases. However, most of these methods only give acceptable results in short texts such as abstracts paper, but on the other hand, their performance remains weak in long documents because it is represented by a single vector. Generally, the key phrases of a document are often expressed in certain parts of the document as, the title, the summary, and to a lesser extent in the introduction and the conclusion, and not of the entire document. For this reason, we propose in this paper KP-USE. A method extracts key-phrases from long documents based on the semantic similarity of candidate phrases to parts of the document containing key-phrases. KP-USE makes use of the Universal Sentence Encoder (USE) as an embedding method for text representation. We evaluated the performance of the proposed method on three datasets containing long papers, namely, NUS, Krapivin2009, and SemEval2010, where the results showed its performance outperforms recent AKE methods which are based on embedding techniques.

Keywords: Key-phrase extraction; natural language processing; semantic similarity; embedding technique; universal sentence encoder

Lahbib Ajallouda, Fatima Zahra Fagroud, Ahmed Zellou and Elhabib Ben Lahmar, “KP-USE: An Unsupervised Approach for Key-Phrases Extraction from Documents” International Journal of Advanced Computer Science and Applications(IJACSA), 13(4), 2022. http://dx.doi.org/10.14569/IJACSA.2022.0130433

@article{Ajallouda2022,
title = {KP-USE: An Unsupervised Approach for Key-Phrases Extraction from Documents},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2022.0130433},
url = {http://dx.doi.org/10.14569/IJACSA.2022.0130433},
year = {2022},
publisher = {The Science and Information Organization},
volume = {13},
number = {4},
author = {Lahbib Ajallouda and Fatima Zahra Fagroud and Ahmed Zellou and Elhabib Ben Lahmar}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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