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The nature.com OpenSearch service provides a structured resource discovery facility for content hosted on nature.com.
The service implements the SRU (Search and Retrieval via URL) protocol for interacting with the nature.com database. It can be accessed both natively using the SRU protocol (see the explain record) as well as by means of the widely adopted OpenSearch conventions (see the description document).
The service is queryable using CQL, the Contextual Query Language, or simple keywords (which are mapped internally to CQL). CQL is a high-level query language designed to be be human readable and writable, and to be intuitive while maintaining the expressiveness of more complex languages.
Results to queries are presented using the PAM (PRISM Aggregator Message) XML schema and are embedded within an SRU XML document.
Alternately the SRU 2.0 parameter 'httpAccept' can be used to specify a media type for the result set - see Media Types below.
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