http://open-services.net/ns/core#selectionDialog

[1] OSLC Core Version 3.0. Part 4: Delegated Dialogs (2017-04-05 01:00:00 +09:00) <http://docs.oasis-open.org/oslc-core/oslc-core/v3.0/cs01/part4-delegated-dialogs/oslc-core-v3.0-cs01-part4-delegated-dialogs.html>

4.1.1 In responses to successful HTTP requests for an LDP container that has a selection dialog, server must include a Link header [RFC5988] where
The context URI is the effective request URI,
The link relation is http://open-services.net/ns/core#selectionDialog, and
The target URI is the URI of the selection dialog descriptor.
EXAMPLE 19
Link: <http://example.com/dialogs/selectBug>; rel="http://open-services.net/ns/core#selectionDialog"