Glossary

Term	Definition
EMu	Axiell's Electronic Museum management system.
Harvesting	Collecting and conglomerating data from multiple sources into a single store.
Header	The part of certain OAI-PMH responses that contains information that can be used for selective harvesting.
IMu OAI-PMH web service	Axiell's implementation of an OAI-PMH repository.
IMu	IMu, or Internet Museum, broadly describes Axiell's strategy and toolset for distributing data held within EMu via the Internet.
Metadata	The data component, or payload, of certain OAI-PMH responses.
Metadata format	The XML structure of the data component, or payload, of an OAI-PMH response. This term is also used to refer to the components of the IMu OAI-PMH web service that generate the payload.
metadataNamespace	Part of the specification of a metadata format. It specifies the URL of an XML namespace for the metadata format.
metadataPrefix	Part of the specification of a metadata format. It specifies a string that uniquely identifies the metadata format.
OAI-PMH	Open Archives Initiative Protocol for Metadata Harvesting. A relatively simple protocol for harvesting metadata.
PHP	A general-purpose server-side scripting language.
Protocol	A specification of message formats and rules for exchanging information between computer systems.
Repository	A web service that implements the OAI-PMH.
schema	Part of the specification of a metadata format. It specifies the URL of an XML schema for the metadata format.
Selective Harvesting	Limit requests to portions of the metadata available from a repository.