UoL/CM3060 Natural Language Processing/Week 10/Week 10 notes.md

Sentiment analysis

Sentiment is multifaceted. There are multiple levels of affective states

Basic sentiment classification

Worked example

Two optimizations can be made

Occurrence is more important than frequency

We need to work out the negations

Sentiment lexicons

When training data is not available or is limited for the goal of building models, we can use sentiment lexicons, which are manually edited word lists.

Summary