Hey guys. I haven't posted in the forum yet so here goes my first post, please don't laugh at the question no matter how obvious the answer may be ![]()
Well here goes.
An RSS feed subscrition tells the user via an aggregator (like NewsGator) when something has been added to the feed, right? Ok now lets say we had a webstore, seels various items at set prices however of course with market conditions fluxuating weekly/monthly
prices will go down and up.
Now in our webstore we have a catalogue. so lets say we wanted an xyz ATI 9800Pro the structure of how to get there would be something like this:
Catalogue>Graphics cards>ATI Cards>xyz
now would i be silly in thinking that by giving each page an RSS feed that when something is added such as the soon to be X800Pro or a price is changed from £150 to £100, it would send to Newsgator.
For some reason i feel i'm right but i just wanted it reafirmed.
Cheers.
Jaz
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Pretty much right.
An RSS feed is usually a list of "current items".
An aggregator is responsible for regularly checking this feed - the aggregator decides which items are "new" or "changed".
In simple terms, to do this, the aggregator downloads the entire feed every time, and then does whatever the aggregator does to work out what a "new" item is.
Aggregator behaviour varies, but the idea is pretty good. I wish more shopping sites offered RSS feeds of new items... -
so how long before places like amazon start offering RSS feeds?
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Jaz wrote:so how long before places like amazon start offering RSS feeds?
They already do.
http://xml.amazon.com/onca/xml3?mode=books&bcm=Books%3A%20Computers%20%26%20Internet&t=webservices-20&dev-t=amznRss&type=lite&page=1&ct=text/xml&sort=+salesrank&f=http://xml.amazon.com/xsl/xml-rss091.xsl&BrowseNodeSearch=5">http://xml.amazon.com/xsl/xml-rss091.xsl&BrowseNodeSearch=5">http://xml.amazon.com/onca/xml3?mode=books&bcm=Books%3A%20Computers%20%26%20Internet&t=webservices-20&dev-t=amznRss&type=lite&page=1&ct=text/xml&sort=+salesrank&f=http://xml.amazon.com/xsl/xml-rss091.xsl&BrowseNodeSearch=5 -
What would be good is to be able to compare prices using RSS feeds from various sites. That way you can get the best price. Even better would be a kind of RSS version of Kelkoo.
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I agree. The problem has always been identifying unique products from different shops because they each label them differently. For example, an iPAQ 4150 might be labeled as IPAQ4150 from one shop and HPIPAQ 4150 from another. What we really need are RSS feeds of product IDs from manufacturers which can be crossed referenced with shops.
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True. But most shops don't want you to compare prices because they will be under-cut.
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That would only help the consumer and encourage the shops to match the price (or give extra value - longer warranty, local rate phone support)
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