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Fakultas Ilmu Komputer, Universitas Amikom Yogyakarta
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Detecting Deceptive Online Reviews Using a Semantic Reliability Index and Hybrid Text Representation Hartatik; Andri Syafrianto
Journal of Information System and Informatics Vol 8 No 2 (2026): April
Publisher : Asosiasi Doktor Sistem Informasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63158/journalisi.v8i2.1576

Abstract

Online review platforms such as Yelp play an important role in consumer decision-making, but the growing prevalence of fake reviews undermines their reliability. This study proposes a hybrid approach for fake review detection by integrating stylometric features, language model signals, and semantic embeddings within a unified classification framework. The proposed method combines linguistic indicators, including GPT-2 perplexity, lexical diversity, sentence burstiness, punctuation ratio, and sentiment intensity, with TF-IDF representations and Sentence-BERT embeddings. A composite feature, namely the Semantic Reliability Index (SRI), is introduced to capture interactions between semantic similarity and linguistic characteristics, serving as an auxiliary feature within the hybrid model rather than a standalone classifier. Experiments on a Yelp hotel review dataset demonstrate that the hybrid model outperforms baseline methods in terms of F1-score and AUC, indicating improved discriminative capability. It should be noted that the classification setting is based on a binary transformation of ordinal labels, which may simplify the underlying label structure and influence performance interpretation. Overall, this work's contribution lies in a systematic feature-integration strategy that enhances fake review detection in the evaluated dataset.
Co-Authors Abdul Mizwar A. Rahim Afdhal Walidy Al Abdul Rohim Ananda, Fadhilah Dwi Andri Syafrianto Anggit Dwi Hartanto Anggit Dwi Hartanto Anggit Dwi Hartanto, Anggit Dwi Arifa Satria Dwi Cahya Bagas Satrio Utomo Dwi Lestari Ema Utami Endang Yuswatiningsih Eva Suhailah Faishal Arif Wibowo Galih Candra Adi Saputra Harliana Harliana Hastari Utama Kanoena, Melcior Paitin Kencana, Adi Kresna Khairullah, Irfan Khalil Krisnawati Krisnawati Kurniawan, Aas Andri Kusnawi Kusnawi Lucky Adhikrisna Wirasakti Muhammad Aldi Muhammad Enggar Aziz Hibbannuari NINIK TRI HARTANTI Nur Safariatun Pattimura, Yudha Bagas Raden Mohamad Herdian Bhakti Rahmadita Sabrina Islahany Ramadhani, Zanuarestu Rony Permadi Rosyid Rosyid Safira, Livia Setiadi F., A. Farhan Shintya Wulan Safitri Sri Devi Nurhayati Supriatin Supriatin, Supriatin Taufiq Nashrullah Wiwi Widayani Wiwi Widayani, Wiwi Wulandari, Irma Rofni Yamamah, Muhammad Al Mubarokul Yusa, Aldo