Generating AGRIS AP XML from local databases

Generating AGRIS AP XML
from local databases

July 2005
Language: English
Version 1.0
by GILW, Library and Documentation Systems Division

Food and Agriculture Organization
of the United Nations © 2005

Table of Contents

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Document metadata

1. Introduction

2. Some definitions

2.1 XML
2.2 The Document Type Definition (DTD)
2.3 Namespaces
2.4 XML and Databases

3. General Issues

3.1 Before you start
3.2 Exporting from XML-enabled databases
3.3 The OAI-PMH example
3.4 XSLT transformation to the AGRIS AP metadata
3.5 Tools to validate XML documents

4. Writing the XML

4.1 Header of XML files
4.2 Mandatory elements and schemes
4.3 XML body of the document

5. Troubleshooting issues

5.1 Character Sets
5.2 Predefined Entity References
5.3 Whitespace
5.4 Repeatable elements
5.5 Size of XML documents
5.6 Scheme for xml:lang
5.7 Empty-Elements Tags
5.8 Mandatory tags
5.9 Inconsistency of local metadata with AGRIS AP elements
5.10 Nesting, dumbing-down and DC compliance

APPENDIX A: The AGRIS Document Type Definition (DTD)

APPENDIX B: An instance of an XML AGRIS record