This is the REST weekly for Feb 15 2010 - Feb 21 2010. For more information on REST weeklies, see RESTWeekly. Add your links with short descriptions below.    (6JR)

Around the Web    (6JS)

is this REST? - An article examining two service examples to determine if they are RESTful or not. (by Mike Amundsen)    (6JT)

Working with RESTful Services in CodeIgniter - Tutorial on creating RESTful (more like resource-oriented) in the PHP framework Codeigniter (by Philip Sturgeon)    (6JU)

REST Client Library for Silverlight - Port of the client libraries of the WCF REST Starter Kit to Silverlight (by Philipp Sumi)    (6JV)

#Rest on Freenode - Logs from the REST IRC channel on the Freenode network. Lots of interesting discussions going on there.    (6JW)

Research papers    (6KC)

RESTler: Crawling RESTful Services - WWW2010 poster describing Resource Linking Language (ReLL?) for service descriptions based on concepts of media types, resource types and link types. A proof of concept crawler (RESTler) is also presented.    (6KD)

HTTP Database Connector (HDBC): RESTful Access to Relational Databases - WWW2010 poster on patterns that bridge the relational database model with the architecture of the Web along with an implementation of some.    (6KE)

REST discussion group    (6K1)

HATEOAS and Cache - More discussion on client-side libraries and respecting the HATEOAS constraint    (6K5)

PATCHing an Order with an OrderChange document? - Thoughts on using PATCH instead of POST for changing orders (using different media types)    (6K6)

HTTP & validation - How to communicate validation exceptions from the server to the client    (6K2)

A Name for "3 out of 4 REST constraints" APIs? - On naming a large family of "REST" APIs that ignore the hypermedia constraint.    (6K3)

Content Negotiation - On different ways for achieving content negotiation in HTTP    (6K4)

HATEOAS-via-HTTP: Which HTTP Method to use to follow link? - On which HTTP Method to use to follow links    (6K7)

RESTful Ordering (was: JAX-RS == REST? Or not?) - Examples of RESTful application workflows    (6K8)

HTTP Digest Auth Dialog - On authentication with REST services    (6K9)

Interesting tweets    (6JX)

pkeane - "@benosteen analogous to dangers of global "state" in code? I say HATEOAS is dependency injection for the web. (REST shuns global state)."    (6JY)

AndrewWahbe - "@mamund bad sign if mime type is service/resource centric. client doesn't ask for type of service in accept header. it describes itself"    (6K0)

AndrewWahbe - "@mamund mime type indicates "kind of client" a service is trying to reach. txt/html for desktop browser, app/voice+xml for voice browser etc"    (6JZ)