Autocomplete (word completeion) function predicts word user intended to type in the search box.
Autocomplete takes a dictionary of weighted words and produces a list of suggestions for user's query.
The results on cities database:
query suggestions
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Lis Agne Los Angeles, Los Angelitos, Les Agnels, Les Agneliers, Les Agneliers Bas
nw yr New York, Nwoya, Nweyon, Na Yan, Nwarem
cpenh Copenhagen, Cepni, Spencer, Cienega, Cuenha
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Autocomplete is implemented in C++. Use it as follows:
TAutocomplete ac;
ac.load("cities.txt"); // load dictionary once
vector<string> suggestions; // autocomplete suggestions
ac.autocomplete("cpenh", suggestions); // find suggestions for input
// query "cpenh"; max number
// of sugegstions (default 5)
// can be set as the last
// parameter of the method`
See also: http://blog.inetis.com/improved-autocomplete-function-for-google-maps
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