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Opinion Mining
Antigone M. Founta
Course: Machine Learning
○
Source: http://www.slideshare.net/aerofoilkite/opinion-mining-using-data-mining-techniques
«The new OnePlus smartphone, OnePlus X, costs
almost 250 dollars, which is half the price other, equal in
characteristics phones cost. Well, I know I would not buy
this one, how can a smartphone have 3Gb of Ram and
yet still be so cheap? It just doesn’t seem right. I’d much
rather buy the slightly more expensive Moto G from
Motorola, at least I know that I’ll pay a bit more but it
will be worth it.»
Opinion Holder
Opinion
Entity / Object
Aspect / Feature
Objective Fact
Subjective Opinion
Regular Opinion
Comparative Opinion
● Direct
● Indirect
Wheel of Emotions, Robert Plutchik - Source: https://en.wikipedia.org/wiki/Contrasting_and_categorization_of_emotions
Source: http://cartoonsy.com/cartoons/opinion-boss-company-work-job-right-1313

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Opinion mining