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RE: [newtech-1] Web Commenting Systems

From: Dean C.
Sent on: Tuesday, March 4, 2008 12:56 PM
My cousin has just completed his doctorate in Australia with a thesis
on" natural language comment sentiment" so he could possible help you on
a consulting basis however....as he's just been hired by Google I think
he might be prevented from taking on external contracts these days.

Let me know if you have any actual funding and I can ask.
 

Regards,

Dean Collins
Cognation Pty Ltd
[address removed] 
[masked]
[masked] (Sydney in-dial). 



> -----Original Message-----
> From: [address removed] [mailto:[address removed]] On Behalf Of
> Tyler
> Sent: Tuesday, 4 March[masked]:53 PM
> To: [address removed]
> Subject: RE: [newtech-1] Web Commenting Systems
> 
> >> commenting will be needed to get a (rough) aggregate idea of
> what the users think of the car
> 
> This is sentiment analysis.  There are several academic solutions to
deriving
> sentiment from text.  A search on "computational linguistics
sentiment" will bring up
> a lot of information that may help direct you on how people have
thought through
> identifying the feeling of free-text.  RapidMiner is an open source
data mining tool
> that may help. I have not used it but others have recommended it as
useful for this.
> If the comments are basic, teen-age stuff you can pretty easily create
a score
> based on the ratio of negative-positive words. Build out a glossary of
good/bad or
> run do a dictionary lookup. Slang is important to track.
> 
> The other needs are basic CL issues with a feedback element. Depending
on how
> silly you wanted to get you could do stuff like determine that a
comments is
> redundant or add one to a custom bucket/taxonomy for that comment
based on
> keywords eg "this car is slow and does not have good braking" ==
performance++.
> "I saw prices for this car in Oregon but it ran on tree leaves rather
than diesel"==
> price++, green++. Depending on how the user gets to a list of comments
you can
> try to predict what they are interested in. Ie I got to the car
description by clicking
> cars->family->­$20-30K. So assume I am cost conscious.
Cars->family->­best
> performance.
> 
> >> Relevancy:
> Some solutions I have prototyped for relevance were things like how
long was the
> content was read (timed based on view or duration before the scroll
bar moved or
> reached a specific point-page 2 link) track what the user did next and
time the
> duration. Then you can do some post-processing to find the spikes to
provide a
> very basic list of what may be relevant.
> 
> That is a shotgun of ideas, all with big holes, but anytime free-text
is involved there
> are bound to be holes...
> To me it sounds like a good project to get creative.
> 
> tyler
> 
> -----Original Message-----
> From: [address removed] [mailto:[address removed]] On Behalf Of
Asif
> Youssuff
> Sent: Monday, March 03,[masked]:25 PM
> To: [address removed]
> Subject: [newtech-1] Web Commenting Systems
> 
> Hey all,
> 
> I'm working on a freelance project on the side, and I've been tasked
> with creating a commenting system for it.
> 
> Let me give you guys an idea of what the comments are for, and what
I'd
> like to accomplish...
> 
> The site is basically going to be a database of items, for
simplicity's
> sake, let's call them cars.
> 
> The site will allow users to tag these items for their own relevancy
(as
> well as others).
> 
> However, commenting will be needed to get a (rough) aggregate idea of
> what the users think of the car.
> 
> What problems am I trying to solve?
> 
> Vote inflation: We don't want any one user to be able to influence the
> tally to an immense degree (by posting[masked] times), but we want
users
> to comment as often as they'd like.
> 
> Relevancy: The user can go through and view all comments, however, a
> casual user will likely only look at the top view comments.
> 
> How can we make it so that the "best comments" are listed as being
> representative of the car? Listing by date won't work, and listing by
> amount of comments submitted doesn't work either.
> 
> Timeliness: The comment should not be outdated, this feeds into the
> relevancy problem.
> 
> I'm sure that there are issues that I'm not covering here, but those
are
> what I came up with in a bit of armchair modeling.
> 
> I also thought about a cut-down slashcode moderation type system, but
> that may be too complex, and the amount of users needed to sustain a
> good moderation system might not be present with this site.
> 
> What am I looking for?
> 
> Code, preferably open source, so I can recreate, or reuse it.
> 
> Philosophies on how to do it right.
> 
> Any other ideas. I want to do it well, and it's not an easy problem to
> solve /well/.
> 
> -Asif
> 
> 
> 
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> 
> 
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