i want to tag many user created content and have multiple types of categories (project tags, desc tag, style/inspiration tag etc). I seen horrible search engines where the more words you use the worse your result is and i dont want that with tagging.
What are good APIs or search method for tagging objects into categories and searching them?
You might want to check these questions out:
They both describe the same approach which should be easily tweakable to allow you to organize your tags into different categories.