Information processing apparatus, information extracting method, program, and information processing system

A technology of information processing equipment and extraction unit, which is applied in the fields of electrical digital data processing, special data processing applications, natural language data processing, etc.

Inactive Publication Date: 2011-05-11
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the LR Wrap method performs matching on the entire web page, there is a risk of unwanted information being extracted when the page includes information on many different fields

Method used

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  • Information processing apparatus, information extracting method, program, and information processing system
  • Information processing apparatus, information extracting method, program, and information processing system
  • Information processing apparatus, information extracting method, program, and information processing system

Examples

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Embodiment Construction

[0045] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Note that, in this specification and the appended drawings, structural elements that have substantially the same function and structure are denoted with the same reference numerals, and repeated description of these structural elements is omitted.

[0046] Embodiments of the present invention will be described in the following order:

[0047] 1. Overview of information processing system

[0048] 2. Example configuration of information processing device

[0049] 2-1. Analysis of input documents

[0050] 2-2. Configuration of data storage unit

[0051] 2-3. Rule learning

[0052] 2-4. Fragment extraction and storage

[0053] 2-5. Supply of Fragments

[0054] 3. Example configuration of the terminal device

[0055] 3-1. Example of user interface

[0056] 3-2. Search for fragments

[0057] 4. Example of hardware configuration

[0058] 5. Su...

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Abstract

There is provided an information processing apparatus including a data storage unit storing at least two rules for extracting information from a document written using a markup language, a selecting unit selecting, in accordance with an appearance frequency of a specific character string in at least one part of an input document written using the markup language, a rule to be applied to the part from the at least two rules stored in the data storage unit, and an extracting unit extracting information from the part using the rule selected by the selecting unit.

Description

technical field [0001] The present invention relates to an information processing device, an information extraction method, a program and an information processing system. Background technique [0002] With the growth of the Internet, it has become more and more common that web pages available on the Internet include various digital information. From a user's point of view, such digital information includes a mixture of useful and unnecessary information. Therefore, methods for automatically extracting desired information from web pages have been developed. [0003] As an example, in "Wrapper induction: efficiency and expressiveness", Artificial Intelligence, 2000, vol.118, p15-68, Nicholas Kushmerick, a method called "LR Rapper" is proposed. According to LR Wrapper, a rule setting the position of tags placed before and after desired information in an HTML (Hypertext Markup Language) document is defined in advance, and information matching the rule is extracted in a web pa...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): G06F17/30G06F40/143
CPCG06F40/221G06F40/143
Inventor礒津政明
OwnerSONY CORP