@misc{rfc3858,
    series =    {Request for Comments},
    number =    3858,
    howpublished =  {RFC 3858},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC3858},
    url =       {https://www.rfc-editor.org/info/rfc3858},
    author =    {Jonathan Rosenberg},
    title =     {{An Extensible Markup Language (XML) Based Format for Watcher Information}},
    pagetotal = 13,
    year =      2004,
    month =     aug,
    abstract =  {Watchers are defined as entities that request (i.e., subscribe to) information about a resource. There is fairly complex state associated with these subscriptions. The union of the state for all subscriptions to a particular resource is called the watcher information for that resource. This state is dynamic, changing as subscribers come and go. As a result, it is possible, and indeed useful, to subscribe to the watcher information for a particular resource. In order to enable this, a format is needed to describe the state of watchers on a resource. This specification describes an Extensible Markup Language (XML) document format for such state. {[}STANDARDS-TRACK{]}},
}