Correct spelling for the English word "OAIPMH" is [ˈə͡ʊɪpm], [ˈəʊɪpm], [ˈəʊ_ɪ_p_m] (IPA phonetic alphabet).
OAIPMH stands for Open Archives Initiative Protocol for Metadata Harvesting. It is a protocol used for transferring metadata from one repository to another, particularly in the context of digital libraries and online archives. OAIPMH enables efficient harvesting and exchange of metadata among different repositories, facilitating interoperability and enhancing the accessibility of digital resources.
The protocol follows a client-server model, where the client is the repository requesting the metadata, and the server is the repository providing the metadata. The communication between the client and server occurs over HTTP using XML-based messages. OAIPMH provides a set of standardized requests and responses that define how clients can query and retrieve metadata records.
The key concept in OAIPMH is metadata harvesting, which involves collecting metadata from multiple repositories and aggregating it in a central location. This allows users to search and access digital resources from various repositories through a single interface. The protocol supports various types of metadata formats, such as Dublin Core, MODS, and MARCXML, ensuring compatibility and flexibility in exchanging metadata.
OAIPMH has been widely adopted in the digital library community and is considered a fundamental building block for interoperability. It enables repositories to share and disseminate their metadata, promoting collaboration, research, and discovery of digital resources across different platforms and systems.