Wednesday, July 25, 2007

Introducing OpenSearch

clipped from www.xml.com

Introducing OpenSearch

OpenSearch was originally developed at Amazon.com's A9 incubator. It's a specification under the Creative Commons Attribution-ShareAlike License, covering discovery and description documents for search engines, expression of queries, and the convention of RSS 2.0 or Atom Web feed results. It is very RESTful in nature and complementary to the Atom Publishing Protocol (APP). In fact, many have called for OpenSearch to serve as the query aspect of APP, which provides a way to access identified or located results, but no mechanism for ad hoc query. With all this affinity to Atom and REST, OpenSearch is a natural topic for this Agile Web column. OpenSearch 1.0 is still the latest full version; it has been around since 2005. Version 1.1 is in beta, but has some important improvements and is thus the version I'll be discussing.

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