Mathematical formula search method and system

A mathematical formula and search system technology, applied in the field of search engines, can solve problems such as wrong query results, content will not be updated automatically, and difficult to understand thoroughly, and achieve the effect of convenient use, simple and fast retrieval process, and time saving.

Inactive Publication Date: 2016-04-06
HENAN NORMAL UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] Existing text-based search engines can only search for a single formula, and the introduction of its principles and application cases need to be searched again, which undoubtedly increases the workload of users
[0008] 3. It do

Method used

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  • Mathematical formula search method and system

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Embodiment Construction

[0034] In order to make the objects and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0035] Such as figure 1 As shown, the embodiment of the present invention provides a mathematical formula search system, including

[0036] The formula database is used to store various formula data and the explanation and application case data corresponding to each formula;

[0037] The web crawler module has a built-in timing module, which is used to regularly search for web pages or documents related to the formula in the network, and send these relevant data to the expert module;

[0038] The expert module is used to store various formula audit requirements, evaluate the data sent by the web crawler module according to these audit requirem...

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Abstract

The invention discloses a mathematical formula search method and system. The mathematical formula search system comprises a formula database, a web crawler module with a built-in timing module, an input module, an expert module, a data processing module, a central processor, a liquid crystal display screen, a speech unit, a language unit and a data sharing module, wherein the expert module consists of a keyboard input module, a handwriting input module, a speech input module and a picture input module. The mathematical formula search system can select different input modes according to different formulas, has a simple and quick retrieval process, can obtain data including the principle introduction of the formula, application cases and the like when a retrieval result is obtained, shortens user time, is convenient in use, can explain and interpret the formula through an expert explanation module and has a data updating function.

Description

technical field [0001] The invention relates to the field of search engines, in particular to a mathematical formula search method and system. Background technique [0002] Using text information retrieval system to search for mathematical keywords is a kind of metadata search based on mathematical terms, which can realize coarse-grained search for mathematical content. This method does not need to consider the difference between mathematical search and general search. This method can usually support both text search and mathematical formula search. But it does not support higher-level mathematical searches, such as searching for a 2 +c=2a, where a can be any identical expression, this query cannot be executed. The biggest advantage of this approach is that it relies on an existing mature technology, but it does not fully support mathematical formula-oriented queries. Another similar idea is to rely on the XML-based XQuery search engine. Both approaches have the advantag...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/3343G06F16/332G06F16/338G06F16/951
Inventor 左飞王红卫申俊丽
Owner HENAN NORMAL UNIV
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