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Notifications clustering and presentation was a session at IndieWebCamp MIT 2015.

The etherpad was https://etherpad.indieweb.org/notifications.


  • Amy Guy aaronpk: Lowest common denominator for notifications is text
  • Amy Guy ... webmention.io clusters because of flooding
  • David Shanske aaronpk is discussion clustering
  • Amy Guy ... in irc
  • Amy Guy ... when a notification is received it starts a timer, notifications coming in are added to timer and timer is extended for x amount of time
  • <Kongaloosh> it's interesting, most people check their notifications within a few minutes of waking up
  • Amy Guy ... if no new webmentions are recieved by the time the timer goes off, it's a cluster, text is created and whole cluster is sent
  • Ryan Barrett yeah this was subtle and nontrivial to design
  • Amy Guy ... only similarly typed notifications are clustered
  • Amy Guy ... that can be combined into a single sentance
  • <Kongaloosh> and the number of times people check their phones during the day is astronomically high
  • <neanias> Kongaloosh: one of the first things I do, to be honest
  • <Kongaloosh> partially by design
  • Amy Guy ... you want to cluster when one post links to multiple things
  • David Shanske Notifications are by author or by type, but not both.
  • Amy Guy ... eg. one post links to many wiki pages
  • Tantek Çelik aaronpk: you do want to cluster by: source (permalink) of notification (e.g. one post links to many posts)
  • Ryan Barrett we iterated on this for a while. gory details in https://github.com/aaronpk/webmention.io/issues/39#issuecomment-123388057
  • Amy Guy ... also multiple people respond to one post, like rsvps to an event
  • Tantek Çelik aaronpk: or multiple sources link to one of your posts
  • <Kongaloosh> that's a good idea
  • Amy Guy GWG: how to decide who list first?
  • Amy Guy aaronpk: silos do it based on distance in social graph and amount of interactions. Obviously harder.
  • Kevin Marks Or one person likes /retweet several of your posts?
  • Aaron Parecki here's the thread where we were designing this https://github.com/aaronpk/webmention.io/issues/39
  • Aaron Parecki here's a bunch of text design https://github.com/aaronpk/webmention.io/issues/39#issuecomment-127048277

Aaron Parecki uses a rolling timer

  • when a webmention comes in, it starts a 60 second timer. after that any new notification that comes in before the timer is up increases the timer by another 60 seconds.
  • notification is sent after no webmentions for 60 seconds.
  • there is an upper limit of 5 minutes