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Method and device for correcting and/or expanding sentiment dictionary

An emotion dictionary and extension device technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as the inability to correctly obtain the "generous" polarity intensity

Inactive Publication Date: 2014-06-04
NEC (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In practical applications, "generous" often appears together with words expressing positive emotions such as "beautiful". However, such information is not used in reference [1], and the polarity of "generous" cannot be correctly obtained

Method used

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  • Method and device for correcting and/or expanding sentiment dictionary
  • Method and device for correcting and/or expanding sentiment dictionary

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Embodiment Construction

[0046] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and unnecessary details and functions for the present invention will be omitted during the description to avoid confusing the understanding of the present invention.

[0047] Principle description

[0048] figure 1 A flow chart of the sentiment dictionary correction and / or expansion method according to the present invention is shown.

[0049] First, in step S100, the extraction of co-occurring word pairs is performed, that is, some word pairs are found from the sentences in the sample set, and these word pairs should have similar sentence components.

[0050] For example: Take the sentence "This mobile phone is very chic and generous." For example, "chic" and "generous" are a co-occurring word pair.

[0051] A variety of methods can be used to extract co-occurring word pairs, and some examples of these methods will be given below, but the...

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Abstract

The invention discloses a method and a device for correcting and / or expanding a sentiment dictionary. According to the invention, the device for correcting and / or expanding the sentiment dictionary may comprise cooccurrence work pair extraction unit, a cooccurrence frequency counting unit, a sentimental polarity intensity computing unit, a ranking unit and a correction and / or expansion unit, wherein the cooccurrence word pair extraction unit is used for extracting cooccurrence word pairs from sentences of a sample set; the cooccurrence frequency counting unit is used for counting the cooccurrence frequency of each word in each cooccurrence word pair according to the words defined in the sentiment dictionary; the sentimental polarity intensity computing unit is used for computing the sentimental polarity intensity of each word according to the cooccurrence frequency of each word; the ranking unit is used for ranking all the words according to the sentimental polarity intensity; and the correction and / or expansion unit is used for correcting and / or expanding the sentiment dictionary according to a ranked word list. By the method and the device, not only the conventional sentiment dictionary can be expanded, but also errors in the conventional sentiment dictionary can be effectively discovered and corrected.

Description

technical field [0001] The present invention relates to the field of natural language processing, and more particularly, to a method and device for modifying and / or extending a sentiment dictionary. Background technique [0002] With the development of the Internet, more and more people publish information on the Internet, including many users' comments on products and personal opinions on events and policies. These comments and opinions are often published on shopping websites, forums and personal blogs, and are very valuable to individuals and institutions such as users, merchants, and research organizations. For users and merchants, these texts can help them understand the advantages and disadvantages of products and improve products based on evaluations. For institutions such as research organizations, they can understand personal views on events and policies, and then suggest relevant organizations and institutions to implement countermeasures and adjustments policy. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 许洪志赵凯邱立坤胡长建
Owner NEC (CHINA) CO LTD
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