-Opinion feature extraction is a sub problem of opinion mining analyzed at document, sentence, or even phrase (word) levels. Document-level (sentence-level) opinion mining is classified as overall subjectivity or sentiment, expressed in an individual review document. The existing approaches to opinion feature extraction depended on mining patterns from a particular evaluate corpus disregard non...

Introduction. Opinion mining has been receiving increasing attention from a broad range of scientific communities since early 2000s. The present study aims to systematically investigate the intellectual structure of opinion mining research. Method. Using topic search, citation expansion, and patent search, we collected 5,596 bibliographic records of opinion mining research. Then, intellectual l...

This review addresses emerging literature in the field of Opinion Mining with a particular emphasis on user-generated textual content. The focus is various tasks involved Mining, which satisfies comprehension essential criteria and methodologies that should be considered prior to embraking task. paper provides an in-depth analysis benchmarked datasets, widely-used feature sets, algorithms, tech...