Language independent sequence labelling for Opinion Target Extraction
نویسندگان
چکیده
منابع مشابه
Research on Domain-independent Opinion Target Extraction
Opinion Target Extraction is one of the important tasks for text sentiment analysis, which has attracted much attention from many researchers. For this task, we proposed an M-Score algorithm utilized in the model which realized the domain-independent opinion target extraction function. This algorithm is derived from the Pointwise Mutual Information algorithm, but the difference is that it doesn...
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Target extraction is an important task in sentiment analysis. Many existing methods have worked well in news and blogs. However, they are not effective for short product comments. In this paper, we firstly prove that a well-known method, Ku's method, cannot obtain good results for short comments. Then we propose a newmethod to extract opinion targets by developing a two-dimensional vector repre...
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Student feedback is an essential part of the instructor student relationship. Traditionally student feedback is manually summarized by instructors, which is time consuming. Automatic student feedback summarization provides a potential solution to this. For summarizing student feedback, first, the opinion targets should be identified and extracted. In this context, opinion targets such as “lectu...
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News Comments on the web express readers’ attitudes or opinions about an event or object in the corresponding news article. And opinion target extraction from news comments is very important for many useful Web applications. However, many sentences in the comments are irregular and informal, and sometimes the opinion targets are implicit. Thus the task is very challenging and it has not been in...
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In opinion analysis, opinion target extraction is the basic component. Dealing with the opinion target extraction on short comments, we adopt two-dimensional vectors to represent words, which are composed of the frequency of the word and the proportion the word companying with subjective words respectively. Neural network is adopted in the opinion target extraction process, and the method is te...
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ژورنال
عنوان ژورنال: Artificial Intelligence
سال: 2019
ISSN: 0004-3702
DOI: 10.1016/j.artint.2018.12.002