Blueprint changed by Seif Lotfy:
--- seif 2010-10-27 10:28pm ---
Lets discuss this idea.
Do we want it as a supported extension or do we want to have in the engine.
Or do we want it as a community extension? How relevant is that to our current
work? How could it help Unity and others?
--- thekorn 2010-10-28 09:09 am ---
I like the overall idea of making it easier to query for all open/active
subjects at a given timestamp. Without commenting on the code you already have
in the branch which is linked to this blueprint, I think we should develop the
functionality as an external/community extension first. And once everything is
polished, and working well enough we should decide whether we would like to
have it as an (in-zeitgeist) extension or as part of the engine API.
--- alexlauni 2010-11-09 10:23 am ---
Being able to get relevancy info for what is happening *now* would be
fantastic. It seems like this allows an amount of projection into what the user
will be doing in the near future, which is obviously immensely powerful.
--- seif 2010-11-16 11:12 ---
I would very much like to have the opinions of kamstrup and rainct as well as
mhr3 and manish
--- kamstrup 2010-11-17 9:37 ---
I'm sorry, but I think this proposal is far from thought through. There are
*so* many things that can go wrong when you try to match up Access and Leave
events. We have been over this countless times and I've never seen a robust
solution. We can try and make up for these shortcomings with all sorts of
elaborate heuristics (most of which will have horrible execution times) but I
don't like that too much. This is the path of black magic.
Also how do you propose "So when searching stuff can be sorted by
relevancy to the current context of work." would work technically? This
strikes me as something that is expensive either in CPU or memory unless
we are extraordinarily clever about it. - Not saying it's impossible,
but that I think it will take more than just some clever SQL (read:
lowlevel bit fiddling to implement some auxiliary structures to adapt
Xapian/sqlite's sorting routines).
A more realistic, and robust, approach is probably to make a real
snapshot of the whole environment and put it on a timeline. Then having
some clever routines to look up "similar environment snapshots" and do
some time shifting analysis etc.
+ --- seif 2010-11-17 10:05 ---
+ While I know this might go wrong a bit I still think its out best solution
if we assume that we get open/close events from everything.
+ The problem I am trying to solve here is "what was open at a specific
timestamp". This call can be solved in on SQL call with my with the extension I
am working on.
+ Now as for sorting by relevancy to the current context, all I do is call
find_related_uris for all the uris i get from the extension which makes it
another SQL call. I know its a bit expensive but I think its worth testing and
playing with at least as an extension.
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