Negativity and Semantic Change - Will Hamilton, Stanford University
Alan Turing Institute via YouTube
Overview
Syllabus
Intro
The linguistic positivity/negativity bias
Negative language is more "differentiated"
Negative language is more complex
Psychological factors
Diachronic negative differentiation
A quantitative approach to semantic change
Word embeddings (the basic idea)
Diachronic word embeddings
Different embedding approaches
Sanity check: Do the embeddings capture semantic change?
Which embeddings work best? (3)
Statistical models semantic change: basic trends
Quantifying the association between negativity and semantic change
Accounting for shifting sentiment
Experimental setup and dataset
Preliminary results
Next steps
Sentiment analysis: Some background
Off-the-shelf sentiment analysis
Hypothesis
Lexicons
A case-study in "hate" (examples)
Summary of part 2
Taught by
Alan Turing Institute