W3C: Matrix URIs
Query vs. Matrix Params or Path Params
– StackOverflow: When to use query parameters versus matrix parameters?
– StackOverflow: URL matrix parameters vs. request parameters
– The Matrix Revised
– Hypertext Transfer Protocol — HTTP/1.1 – RFC 2616
– Uniform Resource Identifiers (URI): Generic Syntax – RFC-3986
– PathsAndQueryStrings (WaybackMachine) / PathsAndQueryStrings (original)