As shown in this article, search engines can be pretty simply built, but still quite useful. Without much hazzle, you could develop this concept further to handle multiple keywords, boolean operators, and other features you find in many commercial search facilities.
It could also be interesting to populate the database further with a few hunder megs of data. Would the speed still be at en reasonable level? Well, probably. One thing we could be absolutetly sure of, however, is that for an intranet of a mid-sized company with just a few dussin searches per hour, this solution always offer stunning performance.
Whether you're planning to develop a big-scale commrcial search engine, or are just playing around, http://www.robotstxt.org/wc/robots.html offers lots of helpful and interesting reading on this topic. I wish you good luck, and is looking forward to get a visit from your spider soon! :)
occurrence, not occurence!
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