Re: Relevancy Rating
This WebDNA talk-list message is from 1998
It keeps the original formatting.
numero = 21787
interpreted = N
texte = >>I have written a sherlock plugin and want to utilize the relevance ranking >>that >>sherlock can identify. How can I create a search result that has a numeric >>relevancy given with each founditem? Sherlock looks for a 100 for 100% >>relevancy on down to 0 for least relevant. > > Unfortunately WebCatalog does not expose its relevancy information inside > [founditems], but you can fake one by assuming that the topmost items are > the most relevant, and using a little [math] with the [index] and > [numfound] to create a smooth gradient from 100% down to 0% (I guess 50% or > so would make more sense). > > Sherlock is very nice, and very easy to implement -- congrats to Apple! > > Technical Support | ==== eCommerce and Beyond ==== I actually use the # of search terms to calculate a simple relevancy rating for our Sherlock plugin.predator = 1 word = 25% predator aliens = 2 words = 50% ... 4 or greater words = 100%It's not perfect (all items in a single search instance have the same relevance), but it's at least a rough measurement of overall relevance. Matching 4 words is probably more relevant than matching only 1 word in the grand scheme of things...Any chance a future version of Webcat will expose relevance inside [founditems]?-Dale ________________________ ______________________________ | Dale LaFountain | mailto:dalel@dhorse.com | | IT Director, WebMaster | http://www.dhorse.com/ | | Dark Horse Comics, Inc.|Phone: 503-652-8815 x324 | \________________________|______________________________/
Associated Messages, from the most recent to the oldest:
>>I have written a sherlock plugin and want to utilize the relevance ranking >>that >>sherlock can identify. How can I create a search result that has a numeric >>relevancy given with each founditem? Sherlock looks for a 100 for 100% >>relevancy on down to 0 for least relevant. > > Unfortunately WebCatalog does not expose its relevancy information inside >
[founditems], but you can fake one by assuming that the topmost items are > the most relevant, and using a little
[math] with the [index] and > [numfound] to create a smooth gradient from 100% down to 0% (I guess 50% or > so would make more sense). > > Sherlock is very nice, and very easy to implement -- congrats to Apple! > > Technical Support | ==== eCommerce and Beyond ==== I actually use the # of search terms to calculate a simple relevancy rating for our Sherlock plugin.predator = 1 word = 25% predator aliens = 2 words = 50% ... 4 or greater words = 100%It's not perfect (all items in a single search instance have the same relevance), but it's at least a rough measurement of overall relevance. Matching 4 words is probably more relevant than matching only 1 word in the grand scheme of things...Any chance a future version of Webcat will expose relevance inside
[founditems]?-Dale ________________________ ______________________________ | Dale LaFountain | mailto:dalel@dhorse.com | | IT Director, WebMaster | http://www.dhorse.com/ | | Dark Horse Comics, Inc.|Phone: 503-652-8815 x324 | \________________________|______________________________/
Dale LaFountain
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