Authors S.M.P QubebDepartment of Computer Science Engineering (Artificial Intelligence), Gates Institute of Technology, Gooty, Andhra Pradesh, IndiaV. YuvarajachariDepartment of Computer Science Engineering (Artificial Intelligence), Gates Institute of Technology, Gooty, Andhra Pradesh, IndiaB. Fayal KhanDepartment of Computer Science Engineering (Artificial Intelligence), Gates Institute of Technology, Gooty, Andhra Pradesh, IndiaJ. SrividyaDepartment of Computer Science Engineering (Artificial Intelligence), Gates Institute of Technology, Gooty, Andhra Pradesh, IndiaM. Sameena BegumDepartment of Computer Science Engineering (Artificial Intelligence), Gates Institute of Technology, Gooty, Andhra Pradesh, IndiaS. VenkateshDepartment of Computer Science Engineering (Artificial Intelligence), Gates Institute of Technology, Gooty, Andhra Pradesh, IndiaG. Vamsidhar ReddyDepartment of Computer Science Engineering (Artificial Intelligence), Gates Institute of Technology, Gooty, Andhra Pradesh, IndiaS. VenkateshDepartment of Computer Science Engineering (Artificial Intelligence), Gates Institute of Technology, Gooty, Andhra Pradesh, India Abstract In the modern digital era, online reviews significantly shape consumer opinions and purchasing behavior. E-commerce platforms such as Amazon and Flipkart enable users to share their experiences, offering future buyers valuable insights into product performance. To effectively analyze the vast number of reviews, it is essential to categorize them based on sentiment—positive or negative. This study focuses on applying sentiment analysis techniques to classify over 400,000 mobile phone reviews into two sentiment categories. Machine learning models, including Naïve Bayes, Support Vector Machine (SVM), and Decision Tree, were implemented for this purpose. The models' effectiveness was assessed through 10-fold cross-validation to identify the most accurate classifier. Keywords Data processing natural language processing (NLP) opinion mining textual data categorization artificial intelligence Citation of this Article S.M.P Qubeb, V. Yuvarajachari, B. Fayal Khan, J. Srividya, M. Sameena Begum, S. Venkatesh, G. Vamsidhar Reddy, & S. Venkatesh. (2025). Recommendation System for Marketing with Sentimental Analysis Based on Customer Product Reviews Using ML Algorithms. International Current Journal of Engineering and Science - ICJES, 4(2), 24-30. Article DOI: https://doi.org/10.47001/ICJES/2025.402005 Licence Copyright (c) 2026 International Current Journal of Engineering and Science. This work is licensed under a Creative Commons Attribution Non Commercial 4.0 International Licence. References S. Erevelles, N. Fukawa, and L. 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