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Cataloguing information classification and retrieval method and device

A technology for cataloging and querying information, applied in the field of retrieval, can solve problems such as hindering fusion, and achieve the effect of efficient retrieval and value utilization

Inactive Publication Date: 2018-02-23
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different media asset producers will define different media asset catalog information according to their own needs, but this heterogeneous media asset catalog information seriously hinders the integration of information between different media asset systems between different manufacturers

Method used

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  • Cataloguing information classification and retrieval method and device
  • Cataloguing information classification and retrieval method and device
  • Cataloguing information classification and retrieval method and device

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Embodiment Construction

[0033] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0034] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but not to be construed as a limitation of the present invention.

[0035] It will be understood by those skilled in the art that the singular forms "a", "an", "the" and "the" as used herein can include the plural forms as well, unless expressly stated otherwise. As used herein, the term "and / or" includes all or a...

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Abstract

The invention discloses a cataloguing information classification and retrieval method and device. The retrieval method comprises the following steps of extracting feature words in inquiry information;forming the extracted feature words into the feature word set of the inquiry information; mapping the inquiry information to a corresponding Hash bucket by aiming at the a group of local sensitive Hash function cluster H prebuilt by aiming at the feature work set application of the inquiry information; performing retrieval according to the inquiry information in the cataloguing information in theHash bucket mapped by the inquiry information to obtain the retrieval result, wherein the cataloguing information in the Hash bucket is mapped to the Hash bucket in advance by using the Hash functioncluster H from the mass cataloguing information. By using the method and device provided by the invention the cataloguing information of the mass information resource can be more efficiently retrieved, so that the retrieval and the value utilization on the mass information resources can be efficiently realized.

Description

technical field [0001] The present invention relates to the field of retrieval, in particular to a method and device for classifying and retrieving cataloging information. Background technique [0002] With the rapid development of Internet technology and the great improvement of network bandwidth, various information resources stored on the Internet have exploded. Among these massive information resources, there are many valuable resources with huge commercial value. How to efficiently retrieve information from massive information resources becomes the key to efficient utilization of information resources and maximize their value. [0003] Various information resources include documents, videos, audios and other resources. In order to facilitate the management and retrieval of these information resources, a cataloging information is usually maintained for each information resource to summarize the main information of the information resource. Different media asset manufac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 柳军飞范红杰麻志毅孙博
Owner PEKING UNIV
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