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Singh, Sangita; Singh, Jyoti Prakash; Deepak, Akshay
Applied soft computing, August 2024, 2024-08-00, Volume: 161Journal Article
The need for automatic text summarization is natural: there is a huge volume of information available online, which prompts for a widespread interest in extracting relevant information in a concise and understandable manner. Here, automated text summarization has been treated as an extractive single-document summarization problem in the proposed system. To solve this problem, a particle swarm optimisation (PSO) algorithm-based approach is suggested, with the goal of producing good summaries in terms of content coverage, informativeness, and readability. This paper introduces XSumm-PSO: a new approach based on PSO optimization technique in a supervised manner for extractive summarization. Further, this paper also contributes a new feature “incorrect word” that captures misspelled words in the candidate sentences. This feature is combined with nine existing features used by proposed model to generate error free summaries. As a result, the proposed XSumm-PSO framework produces superior performance achieving improvements of +2.7%, +0.8%, and +0.8% for ROUGE-1, ROUGE-2, and ROUGE-L scores, respectively, on DUC 2002 dataset, over state-of-the-art techniques. The corresponding improvements on the CNN/DailyMail dataset are +0.97%, +0.25%, and +0.49%. We also performed sample t-test, showing the proposed approach is statistically consistent across various runs. •A PSO-based technique optimized in a supervised manner using ROGUE-1 is proposed.•The suggested model solves a single-document extractive text summarization task.•A new feature “incorrect word” is also introduced in this work.•We evaluate our proposed model on DUC-2002 and CNN/DailyMail benchmark datasets.•The suggested model generalizes better and produces better accuracy than SOTA.
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