发明名称 |
Time-based sentiment analysis for product and service features |
摘要 |
Provided are a method, computer program product and system for reporting time-based sentiment for a product. Text analysis is performed on at least one communication. At least one feature for the product is determined based on the text analysis. A sentiment value is generated for the at least one feature for the product. A date associated with the sentiment value is determined, and the sentiment value is reported for at least one feature over time. |
申请公布号 |
US9177554(B2) |
申请公布日期 |
2015.11.03 |
申请号 |
US201313758560 |
申请日期 |
2013.02.04 |
申请人 |
International Business Machines Corporation |
发明人 |
Bhatt Dhruv A.;McNeil Kristin E.;Patel Nitaben A. |
分类号 |
G06K9/72;G10L15/26;G06Q30/00;G06F17/30 |
主分类号 |
G06K9/72 |
代理机构 |
Konrad, Raynes, Davda & Victor LLP |
代理人 |
Davda Janaki K.;Konrad, Raynes, Davda & Victor LLP |
主权项 |
1. A computer implemented method for reporting sentiment of a product, comprising:
performing a text analysis on communications, by at least one computing processor; determining at least one feature for the product based on the text analysis, by the at least one computing processor; generating sentiment values using the communications for the at least one feature for the product based on a sentiment dictionary and sentiment rules that determine a sentiment strength, by the at least one computing processor; determining a date associated with each of the sentiment values by extracting the date from the communications, by the at least one computing processor; for each date associated with each of the sentiment values, recording a feature annotation, a sentiment annotation, the sentiment value, metadata, and the date, wherein the feature annotation is generated using a feature dictionary and feature rules, and wherein the sentiment annotation is generated using the sentiment dictionary and the sentiment rules, by the at least one computing processor; and reporting how the sentiment values changed over time based on each date, by the at least one computing processor. |
地址 |
Armonk NY US |