Visual label topic map-based pilot method of digital library

A technology of digital library and navigation method, which is applied in the field of navigation based on visual label theme map in digital library, can solve the problems of lack of linked description of labels, redundant label spatial data, inconsistent label description, etc., and achieves strong practicability. , broad application prospects, overcoming the effect of low correlation

Inactive Publication Date: 2015-01-28
FUZHOU UNIV
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Problems solved by technology

However, there are significant limitations in tags: first, users’ choice of tags is based on their views on things, knowledge background, and personal preferences, and different users’ descriptions (tag definitions) of the same resource may be based on different levels of granularity; second, users Polysemous words may be used when defining resources, and the semantic ambiguity of tags leads to inconsistencies between tags and re

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  • Visual label topic map-based pilot method of digital library
  • Visual label topic map-based pilot method of digital library
  • Visual label topic map-based pilot method of digital library

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described below through specific embodiments and related drawings.

[0026] The invention provides a navigation method based on a visual label theme map in a digital library, such as figure 1 shown, including the following steps:

[0027] Step 1: Define different topic categories, define subcategories under each topic category, that is, label topics, and then determine instances of subcategories.

[0028] In this embodiment, the specific implementation method of step 1 is: according to the information characteristics and structure of the electronic book, the definition includes "author", "title", "type", "subject", "publisher", "year of publication" , "Country" and other topic categories, and then define subcategories under each topic category, and the subcategories are used as the label topics of the second layer, and finally determine...

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Abstract

The invention relates to a visual label topic map-based pilot method of a digital library. The visual label topic map-based pilot method includes the steps of 1, defining different topic classes, defining subclasses, namely label topics, under each topic class, and then defining examples of the subclasses; 2, defining association types of the label topics; 3, defining information resource entities, namely bottoms of the label topic maps; 4, creating label topic maps; 5, constructing a semantic network to show semantic associations, allowing the label topic maps to be visual. In this way, recall ratio and precision ratio of information retrieval are increased, and interdisciplinary knowledge sharing and resource location is facilitated.

Description

technical field [0001] The invention relates to the field of digital library information technology, in particular to a navigation method in a digital library based on a visual label theme map. Background technique [0002] Social tagging is a group of information classification methods based on user-defined tags developed based on user tags. In the process of collaborative tagging by users, tags are the core elements. Tags are aggregated to form a tag cloud, which reveals to a certain extent information structure. Social tags are developing into a characteristic application in digital libraries, and the resulting free classification method will be more in line with users' information needs and retrieval habits. However, there are significant limitations in tags: first, users’ choice of tags is based on their views on things, knowledge background, and personal preferences, and different users’ descriptions (tag definitions) of the same resource may be based on different lev...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/954
Inventor 陈海汉
Owner FUZHOU UNIV
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