I recall reading Google does it based on statistical analysis of what words users type. For example if I search for "googl" and then my next search is for "google" that is stored. Next time someone types "googl", "google" is suggested.
Sorry, I don't have a source to link you to on that though. Cheers, Chris On Tue, Dec 15, 2009 at 5:38 PM, Weiwei Wang <ww.wang...@gmail.com> wrote: > Hi, all, > Most of us should have some experience about inputing an incorrection > keyword in google or some other search engine. When this happens, google > can > celverly suggest you another query keyword(not google suggestion). > e.g. you intend to search for redhat, instead you type rdehat, the > google will tell you Did you mean: > *redhat*< > http://www.google.com/search?hl=en&newwindow=1&ei=0DUnS98JzYaQBbSTyfgM&sa=X&oi=spell&resnum=0&ct=result&cd=1&ved=0CAYQBSgA&q=redhat&spell=1 > > > > > How can i implement this feature in my own system? > > -- > Weiwei Wang > Alex Wang > 王巍巍 > Room 403, Mengmin Wei Building > Computer Science Department > Gulou Campus of Nanjing University > Nanjing, P.R.China, 210093 > > Homepage: http://cs.nju.edu.cn/rl/weiweiwang > -- twitter: @tahpot web: http://blog.chriswere.com/