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tagging system for knowledge base

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Jul 17.2007

Good morning/evening/afternoon everyone (depending on where in the world you are).
I’m building a new knowledge base for my Customer service desk and I was going to implement a tagging system.
I’m just wondering how does the likes of flickr work their tags?
I’m fairly capable of programming in PHP and creating the mySQL database but I was just wondering if anyone can tell me how the tags actually work? Obviously I would need a field in the Knowledge Procedure table which holds all of the tags relevant to each KP and then to search for tags as key words I could use some sql like SELECT * FROM knowlege_procedures WHERE tag LIKE $keyword (Very rough).
Any thoughts on this?

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2 Comments(s) ↴

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@ellisglAug 01.2007 — You could do a couple things.

You can have seperate fields - one for each tag that is a boolean for each record. But you would have to predefine your tags have a look up table for valid keywords and create a sql statment based around the tags and how many tags you chose.

Or you can have dynamic tags in a single field just have an enclosure - ie |monkey|

SELECT * FROM table WHERE tag LIKE '%|$tag|%'
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@DoppleauthorAug 02.2007 — I think the seperate look up table is the way I'll have to go.

I'm also going to utilise the ful-text search feature of mysql but although good for searching, it won't help with catogorising.

Thanks for your views?
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