Large-Scale Sentiment Analysis
First Claim
1. A computer readable medium embodying instructions executable by a processor to perform a method for determining a sentiment lexicon associated with an entity, the method steps comprising:
- inputting a plurality of texts associated with the entity;
labeling seed words in the plurality of texts as positive or negative;
determining a score estimate for the plurality of words based on the labeling;
re-enumerating paths of the plurality of words and determining a number of sentiment alternations;
determining a final score for the plurality of words using only paths whose number of alternations is within a threshold;
converting the final scores to corresponding s-scores for each of the plurality of words; and
outputting the sentiment lexicon associated with the entity.
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Abstract
A method for determining a sentiment associated with an entity includes inputting a plurality of texts associated with the entity, labeling seed words in the plurality of texts as positive or negative, determining a score estimate for the plurality of words based on the labeling, re-enumerating paths of the plurality of words and determining a number of sentiment alternations, determining a final score for the plurality of words using only paths whose number of alternations is within a threshold, converting the final scores to corresponding z-scores for each of the plurality of words, and outputting the sentiment associated with the entity.
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Citations
16 Claims
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1. A computer readable medium embodying instructions executable by a processor to perform a method for determining a sentiment lexicon associated with an entity, the method steps comprising:
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inputting a plurality of texts associated with the entity; labeling seed words in the plurality of texts as positive or negative; determining a score estimate for the plurality of words based on the labeling; re-enumerating paths of the plurality of words and determining a number of sentiment alternations; determining a final score for the plurality of words using only paths whose number of alternations is within a threshold; converting the final scores to corresponding s-scores for each of the plurality of words; and outputting the sentiment lexicon associated with the entity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 13)
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8. A computer readable medium embodying instructions executable by a processor to perform a method for determining a statistical sentiment associated with an entity, the method steps comprising:
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inputting a plurality of texts associated with the entity; formatting the plurality of texts; processing the plurality of texts using a sentiment lexicon; determining a statistical sentiment for the plurality of texts processed using the sentiment lexicon; and outputting the statistical sentiment associated with the entity. - View Dependent Claims (9, 10, 11, 12, 14, 15, 16)
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Specification