Weakly Supervised Learning Approach for Implicit Aspect Extraction
Aye Aye Mar,
Kiyoaki Shirai,
Natthawut Kertkeidkachorn
Abstract:Aspect-based sentiment analysis (ABSA) is a process to extract an aspect of a product from a customer review and identify its polarity. Most previous studies of ABSA focused on explicit aspects, but implicit aspects have not yet been the subject of much attention. This paper proposes a novel weakly supervised method for implicit aspect extraction, which is a task to classify a sentence into a pre-defined implicit aspect category. A dataset labeled with implicit aspects is automatically constructed from unlabel… Show more
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