Chapter 7. Technical Design

<feature><title>What You’ll Learn in This Chapter</title> <objective>

Creating your tagging database

</objective> <objective>

Displaying tag clouds with proportional and linear scaling

</objective> <objective>

Using FreeTag, an open-source tagging plug-in for PHP and MySQL

</objective> <objective>

Creating a tag suggestions interface using FreeTag and Ajax

</objective> </feature>

In this chapter, you’ll learn how to design the back end of a tagging system. Databases, SQL queries, and PHP scripts will be discussed (and linked to material covered in other chapters).

The goal of this chapter is to get developers on the same page as designers and information architects, and it’s written with the Web developer in mind. However, it’s ...

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