Page 82 - JOURNAL OF LIBRARY SCIENCE IN CHINA 2015 Vol. 41

Huajun HUANG, Xinhong ZENG, Weiming LIN & Ruoyun CHEN / Formal semantic description standard family for 081
Chinese KOS (Ⅱ): Research and implementation of Classification Scheme Sharing Service System

sharing service aims to provide a solution that meets the requirements of people, machines and
applications.
Based on the features and developmental demands of national knowledge organization
systems (KOSs), this paper targets at the construction and application practice of classification-
like Chinese networked KOS. It mainly introduces the design and implementation method of
the Classification Scheme Sharing Service System (CLSS), and provides practical experience
for fast realizing the semantic description and networked sharing service of the existing
national and international classification schemes by utilizing the system. The CLSS system
is a unified support system developed for classification-like Chinese networked KOSs, so the
classification schemes, categorization schemes or standard code tables, etc. described in the
CNKOS format (J. Wang & Bu, 2012; X. H. Zeng, 2012) can have all functions that the system
provides.
The main purposes of this paper lie in that: 1) realizing semantic description of classification
scheme in order to meet the requirements of providing knowledge service in the Semantic Web
environment; 2) constructing the Web version of classification scheme to promote its networked
development and application; 3) providing terminology Web service of classification scheme
and making it easy to interoperate between different systems or applications; 4) realizing
Linked Data of classification scheme to accelerate the establishment of the Web of data in
the library field; 5) and simulating the artificial classification process to realize automatic
classification, trying to open experimental automatic or computer-assisted classification
service.

1 Classification Scheme Sharing Service System overview

1.1 Classification scheme and semantically described classification scheme

Classification scheme is an important tool for indexing and retrieval of books and documents.
As a complete and precise KOS, it plays an irreplaceable role in the library field. Currently,
popular classification schemes in the world are UDC, DDC, LCC, etc. With the passage of time,
their contents and forms are constantly improving. As a large-scale comprehensive classification
scheme, Chinese Library Classification, or CLC for short, is the most widely used classification
system with the greatest impact in current Chinese libraries.
The semantically described classification scheme is built on the basis of classification
scheme by introducing ontology theory and technology, and adopting Semantic Web
description language. CNKOS (J. Wang & Bu, 2012; X. H. Zeng, 2012) is a semantic

description standard developed under the organization of the National Library of China
(NLC) for Chinese traditional KOSs (including controlled vocabularies such as thesauri,
classification schemes, etc.). It expands CKOS vocabulary based on SKOS, in order to realize