TEL services - Open Archives Forum

Download Report

Transcript TEL services - Open Archives Forum

The European Library:
opportunities for new services
Theo van Veen, Koninklijke Bibliotheek
Search and Retrieve via URLs (SRU)
• Initiative from Z39.50 implementers group to
offer a low barrier alternative to Z39.50
With
SRU clients/portals
• Searching
via:
can be written as a simple
base-URL ? request with standard syntax
HTML page with javascript
• Response:
andXML
XSL.conform standard schema
• Example URL:
http//krait.kb.nl/cgizoek/srw.pl?query=porbase&maximumRecords=1
Demo
Open Archive Forum, Lissabon, 5-7 december 2002
2
Mapping functions with metadata
Open Archive Forum, Lissabon, 5-7 december 2002
3
Functions and services
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Search: most fields contribute
record retrieval (presentation,harvesting, linking) : record-id
identification (retrieve object): identifier
description (of object): title, author, subject, description
linking (locate services): identifier, relation, source
multilingual service
(translation):
title,
description, ;subject
Functions
require
metadata
the
authority service (find main entries): author, subject, type
presence of metadata should
collection level: descriptive elements, target address, type
generate access to services.
navigation (between hierarchy levels): identifier, relation
authorisation (permission criteria): rights
administration (trace usage): dates, record-id
software requirements (e.g.preservation): description
copy cataloguing: all fields
document ordering: identifier, record-id
Open Archive Forum, Lissabon, 5-7 december 2002
demo
4
Open Archive Forum, Lissabon, 5-7 december 2002
5