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From Robin Anil <robin.a...@gmail.com>
Subject Re: [slightly off topic] Determining Importance
Date Tue, 04 Jan 2011 05:36:01 GMT
Relevance is a personal choice. Global importance + Personalization and the
ratio of the blend == Better(No one knows whats best yet :)

Robin


On Tue, Jan 4, 2011 at 9:53 AM, Lance Norskog <goksron@gmail.com> wrote:

> Yup- the one-word story would be 'interesting' rather than 'relevant'.
> Context matters: anything from the searcher to moment-to-moment
> differences. Intertwined with this is attention.
>
> In econ-speak, the user has a resource called 'attention'.  You are
> talking about optimizing the utils received when the user spends this
> resource. ('util' is a unitless measure of'what you got when you
> spent'.)
>
> Lance
>
> On Mon, Jan 3, 2011 at 2:30 PM, Grant Ingersoll <gsingers@apache.org>
> wrote:
> >
> > On Jan 3, 2011, at 3:32 PM, Dinesh B Vadhia wrote:
> >
> >> We could end-up in a hair-splitting hole.  Sounds like you want to be
> able to identify things (items) that are relevant and important.  You could
> also say, items that are relevant and of value.
> >
> > Yes, I would agree.
> >
> >>
> >> Describing the use-case might help?
> >
> > The use case is I am writing on the topic (well, a bunch of topics) and
> the thought occurred to me that an organizing principal of this particular
> section is best summed up by the word Importance, namely "Identifying
> Important Content and People".  What I would like to be able to do is point
> a user at the most relevant/important research in the area as well as some
> open source implementations that help solve the problem and also provide the
> basic theory behind it.  When I first outlined the section, I was mainly
> going to focus on graph algorithms like PageRank, but it occurred to me
> recently that it was broader than that.   Hence the question being aimed
> more at the academic side of the equation and not so much at the
> implementation side (besides, I would agree with most others here that the
> actual implementations focus on either categorization or graph approaches.)
> >
> > From Twitter, there were other suggestions of things to look into:
> significance, novelty, surprisal, information gain.
> >
> >
> >>
> >>
> >>
> >>
> >> From: Grant Ingersoll
> >> Sent: Monday, January 03, 2011 11:41 AM
> >> To: user@mahout.apache.org
> >> Subject: Re: [slightly off topic] Determining Importance
> >>
> >>
> >> I guess Relevance is a useful word to describe it, but I don't think it
> resonates as well  (that is, Joe on the street is much more likely to say
> "That is important to me" than to say "That is relevant to me".)
> >>
> >> If we split hairs, Wikipedia defines relevance as "... how pertinent,
> connected, or applicable something is to a given matter."  Webster has
> important as "marked by or indicative of significant worth or consequence :
> valuable in content or relationship" -- I think importance has a stronger
> connotation than relevance.  Under these definitions, I think something can
> be relevant but still not be important.  Certainly everything that is
> important is also relevant.  And certainly all the studies around relevance
> are important (!) to the discussion, but what I'm getting at is a bit deeper
> (I think, but I can be dissuaded).
> >>
> >> I would also agree with Ted here in that I don't think PageRank is
> necessarily a measure of relevance (the page, after all, is on the given
> matter or not based on it's keywords, but it is Important because of the
> fact that everyone else has said so).  I also wonder if we aren't clouded by
> the use of relevance in search terms, particularly in keyword-based
> approaches.  Importance to me factors in many other things (including
> personalization).  Again, maybe I'm splitting hairs.
> >>
> >> -Grant
> >>
> >> On Jan 3, 2011, at 2:19 PM, Ted Dunning wrote:
> >>
> >>> That is close, but I think that there is something else going on with
> this
> >>> as well.
> >>>
> >>> Is page rank a measure of relevance?  Not really (to my mind)
> >>>
> >>> Relevance has a strong notion of context.  What is relevant to me in
> one
> >>> moment may not be relevant the next moment.
> >>>
> >>> On Mon, Jan 3, 2011 at 11:13 AM, Dinesh B Vadhia
> >>> <dineshbvadhia@hotmail.com>wrote:
> >>>
> >>>> Yep, what I'd call it too - relevance.
> >>>>
> >>>>
> >>>>
> >>>> From: Jake Mannix
> >>>> Sent: Monday, January 03, 2011 10:48 AM
> >>>> To: user@mahout.apache.org
> >>>> Subject: Re: [slightly off topic] Determining Importance
> >>>>
> >>>>
> >>>> I've got one word for you, Grant:
> >>>>
> >>>> Relevance.
> >>>>
> >>>>
> >>
> >> --------------------------
> >> Grant Ingersoll
> >> http://www.lucidimagination.com
> >>
> >
> > --------------------------
> > Grant Ingersoll
> > http://www.lucidimagination.com
> >
> >
>
>
>
> --
> Lance Norskog
> goksron@gmail.com
>

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