Language Independent Sentence-Level Subjectivity Analysis with Feature Selection

Identifying and extracting subjective informa-tion from News, Blogs and other user gen-erated content has lot of applications. Most of the earlier work concentrated on English data. But, recently subjectivity related re-search at sentence-level in other languages has increased. In this paper, we achieve sentence-level subjectivity classification us-ing language independent feature weighing and selection methods which are consistent across languages. Experiments performed on 5 different languages including English and South Asian language Hindi show that En-tropy based category coverage difference cri-terion (ECCD) feature selection method with language independent feature weighing meth-ods outperforms other approaches for subjec-tive classification.