Feature based Sentiment Analysis using a Domain Ontology Neha Yadav author C Ravindranath Chowdary author 2016-12 text Proceedings of the 13th International Conference on Natural Language Processing Dipti Misra Sharma editor Rajeev Sangal editor Anil Kumar Singh editor NLP Association of India Varanasi, India conference publication yadav-chowdary-2016-feature https://aclanthology.org/W16-6312/ 2016-12 90 98