Data Providers

OLAC Metadata Schema

OLAC metadata can be stored in a relational database. Here is the schema used by all OLAC services: olac_schema.sql.

OLAC Logo

Please make use of the OLAC Logo on your site, and link it to www.language-archives.org.

Simple search for OLAC records

Enter a single search term, to be matched against any OLAC field:

Look up an OLAC item

Enter the OAI identifier for a record in any OLAC archive:

List records from an OLAC archive

Enter the OAI identifier for any OLAC archive (submit a blank query to see a list of archives).

OLAC-Implementers Mailing List

OLAC-Implementers is an unmoderated list for technical discussions concerning the implementation of OLAC repositories (LIST ARCHIVES).

OAI and DCMI Documents

OLAC is based on the Open Archives Initiative and the Dublin Core Metadata Initiative. Several OAI and DCMI documents are relevant to OLAC:

Useful Resources

• Language Codes: Ethnologue tables | ISO 639-3 tables
• OAI: Protocol | tutorial | FAQ | tools | Registration
• Dublin Core Element Set
• Repository Explorer: 1.0/1.1/2.0
• XML Schema: XML Schema | W3C Primer | XML.com Tutorial | Resources at OASIS | XSV Schema Validator | XSV Status | Xerces-J Schame Validator