Technical Sentiment Analysis: Measuring Advantages and Drawbacks of New Products Using Social Media

[EN] In recent years, social media have become ubiquitous and important for social networking and content sharing. Moreover, the content generated by these websites remains largely untapped. Some researchers proved that social media have been a valuable source to predict the future outcomes of some events such as box-office movie revenues or political elections. Social media are also used by companies to measure the sentiment of customers about their brand and products. This work proposes a new social media based model to measure how users perceive new products from a technical point of view. This model relies on the analysis of advantages and drawbacks of products, which are both important aspects evaluated by consumers during the buying decision process. This model is based on a lexicon developed in a related work (Chiarello et. al, 2017) to analyse patents and detect advantages and drawbacks connected to a certain technology. The results show that when a product has a certain technological complexity and fuels a more technical debate, advantages and drawbacks analysis is more efficient than sentiment analysis in producing technical-functional judgements.Chiarello, F.; Bonaccorsi, A.; Fantoni, G.; Ossola, G.; Cimino, A.; Dell'orletta, F. (2018). Technical Sentiment Analysis: Measuring Advantages and Drawbacks of New Products Using Social Media. En 2nd International Conference on Advanced Reserach Methods and Analytics (CARMA 2018). Editorial Universitat Politècnica de València. 145-156. https://doi.org/10.4995/CARMA2018.2018.8336OCS14515

Deteksi Berita Online Hoax Covid-19 Di Indonesia Menggunakan Metode Hybrid Long Short Term Memory dan Support Vector Machine

Fokus masyarakat Indonesia tidak lepas dari kasus pandemi Coronavirus Disease 2019 (COVID-19) dengan mengikuti setiap informasi terkait perkembangannya setiap hari. Hal ini yang mendorong banyak pihak terlebih pemerintah untuk menyediakan layanan informasi terkini terkait COVID-19. Namun, banyak berita online menyajikan informasi palsu yang dikenal dengan berita hoax tentang COVID-19 yang dapat menyebabkan keresahan masyarakat. Pada Tugas Akhir ini, dilakukan deteksi terhadap berita–berita online seputar informasi COVID-19 di Indonesia yang dibagi menjadi dua kategori, yaitu berita hoax dan berita fakta. Proses deteksi berita online dilakukan dengan metode penggabungan Long-Short Term Memory dan Support Vector Machine (hybrid LSTM-SVM). LSTM menghasilkan fitur teks representatif yang selanjutnya digunakan untuk proses klasifikasi berita oleh SVM yang menghasilkan persentase nilai akurasi mencapai 94%. Nilai tersebut lebih tinggi dibandingkan dengan hanya mengimplementasikan Metode LSTM atau Metode SVM saja

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Editor of the proceedings of EVALITA 2016