Chinese Geo-Names Calculator A Linked Data Approach

Transcription

1 Chinese Geo-Names Calculator A Linked Data Approach Council on East Asian Libraries Annual Meeting March 31, 2016 Haiqing Lin, Stella Tang, Karen Yu C.V. Starr East Asian Library University of California, Berkeley

2 Outline Background and Issues Functional Requirements Application Demo

3 Regular Routine of Assigning Geo-Names Search LC Authority Database on OCLC Connexion Client Search GeoNet to verify the place name Search browser to see other sources like Wiki, Chinese Wiki Search government department site in China Search title, title keywords, or subjects in OCLC bibliographic records 3

4 Challenges for Using Regular Routine Time consuming to search several databases Difficult to verify (LC authority record no Chinese name; same pinyin but different place name; same names within the same province or county) Information may not be updated or not reliable (names changes) Difficult to locate and access the sources (Ministry of Civil Affairs of the People s Republic of China) Expertise and training needed for accessing 4

5 New Tool What is it? A One-Stop Gateway A Ready-to-Use Name Authority Template

6 Functional Requirements Ability to follow NACO and RDA guidelines for geonames Anticipate and resolve conflicts in geonames Find the approved form from the Geonet (GNS) Ability to communicate automatically Ability to assemble and recombine information from all authoritative sources Ability to disambiguate a concept, relationships and etc. 6

7 Geo-Name Calculator: A Linked Data Approach How does it work? API Application Program Interface to connect with the authoritative sources Ontology A simple Chinese geo-name ontology to organize Chinese geo-name information as structured data Who are the users? All catalogers of Chinese materials Reference Librarians Scholars 7

8 System Architecture

9 Ontology: Classes and Object Properties

10 URI as Name of Things Chinese Geoname Library of Congress Name Chinese Geo Feature il/gns/ufi/

11 RDF <?xml version="1.0"?> <rdf:rdf xmlns:rdf=" xmlns:cgns=" <rdf:description rdf:about=" <rdf:type rdf:resource=" <cgns:chname> 梅州市 </cgns:chname> <cgns:chnamepy>meizhou Shi</cgns:chnamepy> <cgns:adlgeonet>adm2</cgns:adlgeonet> <cgns:chnamedshort>meizhou</cgns:chnamedshort> <cgns:ischnameof rdf:resource=" "/> <cgns:adcode>441400</cgns:adcode> <cgns:apartof rdf:resource=" <cgns:apartof rdf:resource=" </rdf:description> </rdf:rdf>

12 RDF Visualization

13 Search Boxes

14 Search Scenarios: Finding an Authority Name

15 Search Scenarios: Generating a Name Authority Template

16 Example of a Statement

17 Paste the Template to OCLC Connexion

18 SPARQL Endpoint

19 An Example of SPARQL Query : Linking Chinese Geo-Name and LC Authority Name SELECT?a?d?e?lat?lon WHERE {?a < < < < < < } LIMIT 20

20 Query Result

21 Questions Welcome Thank You!