Text Summarization on Verdicts of Industrial Relations Disputes Using the Cross-Latent Semantic Analysis and Long Short-Term Memory

Galih Wicaksono - University of Muhammadiyah Malang, Malang, Indonesia
Muhammad Hakim - University of Muhammadiyah Malang, Malang, Indonesia
Nur Hayatin - University of Muhammadiyah Malang, Malang, Indonesia
Nur Hidayah - University of Muhammadiyah Malang, Malang, Indonesia
Tiara Sari - University of Muhammadiyah Malang, Malang, Indonesia


Citation Format:



DOI: http://dx.doi.org/10.30630/joiv.7.3.2052

Abstract


The information presented in the documents regarding industrial relations disputes constitutes four legal disputes. However, too much information leads to difficulty for readers to find essential points highlighted in industrial relations dispute documents. This research aims to summarize automated documents of court decisions over industrial relations disputes with permanent legal force. This research involved 35 documents of court decisions obtained from Indonesia’s official Supreme Court website and employed an extractive summarization approach to summarize the documents by utilizing Cross Latent Semantic Analysis (CLSA) and Long Short-Term Memory (LSTM) methods. The two methods are compared to obtain the best results CLSA was employed to analyze the connection between phrases, requiring the ordering of related words before they were converted into a complete summary. Then, the use of LSTM is combined with the Attention module to decoder and encoder the information entered so that it becomes a form that can be understood by the system and provides a variety of splitting of documents to be trained and tested to see the highest performance that the system can generate. The research has found out that the CLSA method gave a precision of 79.1%, recall score of 39.7%, and ROUGE-1 score of 50.9%, and the use of LSTM was able to improve the performance of the CLSA method with the results obtained 93.6%, recall score of 94.5 %, and ROUGE-1 score of 93.9% on the variation of splitting 95% training and 5% testing.

Keywords


extractive summarization; cross latent semantic analysis; long short-term memory; legal document

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