3,943 research outputs found
Opinion Mining Terhadap Toko Online Di Media Sosial Menggunakan Algoritma Naïve Bayes (Studi Kasus: Akun Facebook Dugal Delivry)
The Internet era has had an impact in various sectors of human life. One is the economic sector. Economic transactions change from the traditional pattern (face to face) to online. The customer does not need to ask about the condition of an item to be purchased to a close friend or family, but simply by reviewing the product from the same buyer's comments. Products that get good reviews mean good quality. However, a problem arises if the comment data is very large and will make it difficult for customers to summarize the quality. Therefore, an automatic opinion mining system is required which can directly give conclusions about the quality of a product. This research makes an opinion mining system by applying the Naïve Bayes algorithm by taking a case study of facebook account Dugal Delivry. The measurement result with confusion matrix gives precision value of 88,89%, recall 80% and accuracy equal to 85%
Exploring Sentiment Analysis Techniques in Natural Language Processing: A Comprehensive Review
Sentiment analysis (SA) is the automated process of detecting and
understanding the emotions conveyed through written text. Over the past decade,
SA has gained significant popularity in the field of Natural Language
Processing (NLP). With the widespread use of social media and online platforms,
SA has become crucial for companies to gather customer feedback and shape their
marketing strategies. Additionally, researchers rely on SA to analyze public
sentiment on various topics. In this particular research study, a comprehensive
survey was conducted to explore the latest trends and techniques in SA. The
survey encompassed a wide range of methods, including lexicon-based,
graph-based, network-based, machine learning, deep learning, ensemble-based,
rule-based, and hybrid techniques. The paper also addresses the challenges and
opportunities in SA, such as dealing with sarcasm and irony, analyzing
multi-lingual data, and addressing ethical concerns. To provide a practical
case study, Twitter was chosen as one of the largest online social media
platforms. Furthermore, the researchers shed light on the diverse application
areas of SA, including social media, healthcare, marketing, finance, and
politics. The paper also presents a comparative and comprehensive analysis of
existing trends and techniques, datasets, and evaluation metrics. The ultimate
goal is to offer researchers and practitioners a systematic review of SA
techniques, identify existing gaps, and suggest possible improvements. This
study aims to enhance the efficiency and accuracy of SA processes, leading to
smoother and error-free outcomes
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