Do you know any research paper about spatial data mining algorithms to retrieve trends about local business services (such as google places.. etc)
let's say most rated restaurants this week.. etc ?
I need scientific material about it.
It might be worth looking into hyperlocal journalism. Everyblock is a good example of that.
I have a link somewhere. Can't find it right now but Bing is doing some of this with geo blog, geotweet, and geotag photos. There was not any scientific info in the link but very interesting concepts.
Sounds much like Kirk's hyperlocal journalism.