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stock_market_lexicon | ||
====================== | ||
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Stock Market Lexicon | ||
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Opinion Lexicon adapted to stock market conversations in microblogging services (e.g., StockTwits, Twitter). This lexical resource was automatically created using diverse statistical measures and a large set of labeled messages from StockTwits. | ||
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The attributes of the lexicon are: | ||
- Item: lexical item, either an unigram or a bigram. | ||
- POS: Part of Speech (POS) tag | ||
- Aff_Score: Sentiment score in affirmative (i.e., non-negated) contexts. | ||
- Neg_Score: Sentiment score in negated contexts. | ||
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The applied POS tags are based on the Penn Treebank POS tagset: | ||
- $: Dollar sign | ||
- CC: Coordinating conjunction | ||
- CD: Cardinal number | ||
- DT: Determiner | ||
- EX: Existencial there | ||
- FW: Foreign word | ||
- IN: Preposition or subordinating conjunction | ||
- JJ: Adjective | ||
- LS: List item marker | ||
- MD: Modal | ||
- NN: Noun | ||
- PD: Predeterminer | ||
- PO: Possessive ending | ||
- PR: Personal Pronoun | ||
- RB: Adverb | ||
- RP: Particle | ||
- SY: Symbol (mathematical or scientific) | ||
- TO: to | ||
- UH: Interjection | ||
- VB: Verb | ||
- WD: wh-determiner | ||
- WP: wh-pronoun | ||
- WR: wh-adverb | ||
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We added two more tags: | ||
- null: bigram | ||
- EM: Emoticons |
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