A comprehensive study on Frequent Pattern Mining and Clustering categories for topic detection in Persian text stream

• URL: http://arxiv.org/abs/2403.10237v1
• Date: Fri, 15 Mar 2024 12:08:58 GMT
• Title: A comprehensive study on Frequent Pattern Mining and Clustering categories for topic detection in Persian text stream
• Authors: Elnaz Zafarani-Moattar, Mohammad Reza Kangavari, Amir Masoud Rahmani,
• Abstract summary: The aim of this study is to conduct an extensive study on the best algorithms for topic detection. The text of Persian social network posts is used as the dataset. The results indicate that if we are searching for keyword-topics that are easily understandable by humans, the hybrid category is better.
• Score: 6.446062819763263
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Topic detection is a complex process and depends on language because it somehow needs to analyze text. There have been few studies on topic detection in Persian, and the existing algorithms are not remarkable. Therefore, we aimed to study topic detection in Persian. The objectives of this study are: 1) to conduct an extensive study on the best algorithms for topic detection, 2) to identify necessary adaptations to make these algorithms suitable for the Persian language, and 3) to evaluate their performance on Persian social network texts. To achieve these objectives, we have formulated two research questions: First, considering the lack of research in Persian, what modifications should be made to existing frameworks, especially those developed in English, to make them compatible with Persian? Second, how do these algorithms perform, and which one is superior? There are various topic detection methods that can be categorized into different categories. Frequent pattern and clustering are selected for this research, and a hybrid of both is proposed as a new category. Then, ten methods from these three categories are selected. All of them are re-implemented from scratch, changed, and adapted with Persian. These ten methods encompass different types of topic detection methods and have shown good performance in English. The text of Persian social network posts is used as the dataset. Additionally, a new multiclass evaluation criterion, called FS, is used in this paper for the first time in the field of topic detection. Approximately 1.4 billion tokens are processed during experiments. The results indicate that if we are searching for keyword-topics that are easily understandable by humans, the hybrid category is better. However, if the aim is to cluster posts for further analysis, the frequent pattern category is more suitable.

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