Emc IP Holding Company LLC

Laiqiang Ding

Chao Chen

Jingjing Liu

Qiyan Chen

Roby Qiyan Chen

Jiang Ma

Tony Jiang Ma

Embodiments of the present invention provide a method and apparatus for managing opinion data. In an embodiment, there is provided a method for managing opinion data. The method comprises: acquiring an opinioned sentence from one or more text sources; extracting an opinion tuple based on the opinioned sentence, the opinion tuple at least containing an opinion word and an opinion target. The method further comprises: storing in association the opinioned sentence, opinion tuple and source information corresponding to the opinioned sentence, wherein the source information is associated with the text source from which the opinioned sentence is acquired. The opinioned sentence, the opinion tuple and the source information acquired from the text sources are stored in association by using for example an XML storage format so that the stored opinion data are associated to a certain degree, and the stored opinion data are easily extended and modified.

Managing opinion data

The present disclosure provides a method and system for generating a QR code by receiving an inputted document; pre-processing the inputted document so as to obtain desired content; encrypting the desired content; and generating one or more QR codes based on the encrypted desired content.

Generating a QR code

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Shanghai, China

Laiqiang Ding