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: 2011-11-09
NEC (CHINA) CO LTD
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  • 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
  • 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. In the description process, details and functions that are not necessary for the present invention are omitted to prevent confusion about the understanding of the present invention.

[0047] Principle description

[0048] figure 1 A flowchart of the method for correcting and / or expanding the emotional dictionary according to the present invention is shown.

[0049] First, in step S100, the co-occurring word pair extraction process 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 phone is very chic and generous." as an example, the words "chic" and "dafang" are a co-occurring word pair.

[0051] A variety of methods can be used to achieve the extraction of co-occurring word pairs. Some examples of these metho...

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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 specifically, to a method and device for correcting and / or expanding an emotional dictionary. Background technique [0002] With the development of the Internet, more and more people publish information online, including many users' comments on products and personal views on events and policies. These comments and opinions are often published on shopping websites, forums and personal blogs, and are valuable to users, businesses, research organizations and other individuals and institutions. For users and businesses, these texts can help them understand the advantages and disadvantages of the product and improve the product based on the evaluation. For research organizations and other institutions, they can understand personal views on events and policies, and then recommend relevant organizations and institutions to implement countermeasures and adjustments. policy. Since ...

Claims

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Application Information

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Patent Type & Authority Applications(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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