Natural Language Processing · 免费预览
情感与情绪词典
情感意义及其类型学、标准词典,以及扩充它们的三种方式:人工标注、基于种子的归纳和来自评论评分的监督。
1. Lexicons of Sentiment and Affect
Lexicons of Sentiment and Affect
2. Lexicons on the shelf
Lexicons on the shelf
3. Growing a lexicon from seeds
Growing a lexicon from seeds
4. An axis for the ferry reviews
An axis for the ferry reviews
5. Sorting the affective states
A deckhand reports being irritable for the whole week, with no single trigger, after being furious when the manifest went overboard for an hour. Which pairing of affect classes fits the two states?
6. Placing words in affect space
In the dimensional view of emotion, what do the valence, arousal and dominance axes measure, and which word sits high on arousal and low on valence?
7. Scoring a word against the axis
A word embedding is and a semantic axis built from positive and negative seed centroids is . Compute the cosine between them, the word's polarity score, rounding to three decimals.
8. And versus but
The semi-supervised lexicon induction family exploits syntactic coordination as a polarity cue. Which claim about the cue is correct?
9. The ratio rule
A rule-based classifier counts weighted positive evidence and weighted negative evidence in a review, labeling positive when , negative when , and neutral otherwise. Compute the value of , rounding to three decimals.