Cross-Domain Sentiment Classification using Vector Embedded Domain Representations

2019-09-01 · WS 2019 9 · Nicolaj Filrup Rasmussen, Kristian N{\o}rgaard Jensen, Marco Placenti, Thai Wang

Due to the differences between reviews in different product categories, creating a general model for cross-domain sentiment classification can be a difficult task. This paper proposes an architecture that incorporates domain knowledge into a neural sentiment classification model. In addition to providing a cross-domain model, this also provides a quantifiable representation of the domains as numeric vectors. We show that it is possible to cluster the domain vectors and provide qualitative insights into the inter-domain relations. We also a) present a new data set for sentiment classification that includes a domain parameter and preprocessed data points, and b) perform an ablation study in order to determine whether some word groups impact performance.

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