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Building Multi-Dimensional Coordinate System in Controlled Vocabulary: Taking Digital Resource Integration of Public cultural institutes for an Example
Received date: 2015-02-06
Revised date: 2015-03-09
Online published: 2015-03-20
[Purpose/significance] Taking digital resource integration of libraries, museums, art museums and mass art museums as examples, this paper discusses a way to improve retrieval efficiency by assigning the controlled vocabularies with their "identifiers".[Method/process] A coordinate system is defined, which consists of three parts: space surfaces,coordinate axes and coordinate points that represent different vocabulary concepts. Following certain regulations, the concepts are assigned "identifiers" to establish relationship between vocabularies. Meanwhile, the system is supported by the "concept optimization" mechanism, the data-linking technology and the index list construction mechanism. For search engine, words inputted by users are firstly assigned with semantic "identifiers", then the "identifiers" of concepts will be analyzed in parts, before the mapping relationship of the two identifiers is generated. With these processes, retrieval dimensionality optimization is achieved.[Result/conclusion] The coordinate relationship model of the multi-dimensional coordinate system is based on the hierarchical model of "plane-line-point", and is in accordance with the "concept locating, vocabulary locating, and resource locating" retrieval hierarchy. With the help of implementation mechanisms like optimization, association and indexing, split and merging, it processes the relationship of words numerically, and the understandability of vocabulary is enhanced.
Zhang Fangyuan , Si Li . Building Multi-Dimensional Coordinate System in Controlled Vocabulary: Taking Digital Resource Integration of Public cultural institutes for an Example[J]. Library and Information Service, 2015 , 59(6) : 97 -103 . DOI: 10.13266/j.issn.0252-3116.2015.06.015
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