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h2. Approach

Our aim is to evaluate sentiment polarity (Negative/Positive) at several levels of granularity:
* *document* (overall sentiment): appropriate for blog posts or technical review articles, estimated whether the author's opinion on the topic is generally positive or negative. Strong polarity means the author is very subjective.
* *paragraph* (aspect oriented)
* *entity* (very specific target)

Pipeline for document sentiment:

Pipeline for entity sentiment:
* Concept tagging
* Segmentation
* Sentiment mapping
* Sentiment evaluation

h2. Datasets