Full-Text Search Engine using MySQL
Keywords:full-text, search, MySQL, index, search engine, ranking, metaphone, Levenstein
AbstractIn this article we will try to explain how we can create a search engine using the powerful MySQL full-text search. The ever increasing demands of the web requires cheap and elaborate search options. One of the most important issues for a search engine is to have the capacity to order its results set as relevance and provide the user with suggestions in the case of a spelling mistake or a small result set. In order to fulfill this request we thought about using the powerful MySQL full-text search. This option is suitable for small to medium scale websites. In order to provide sound like capabilities, a second table containing a bag of words from the main table together with the corresponding metaphone is created. When a suggestion is needed, this table is interrogated for the metaphone of the searched word and the result set is computed resulting a suggestion.
Fine-Tuning MySQL Full-Text Search - http://dev.mysql.com/doc/refman/5.0/en/fulltextfine- tuning.html
Full text search - by Wikipedia - http://en.wikipedia.org/wiki/Full_text_search
MySQL's Full-Text Formulas - by Database Journals - http://www.databasejournal.com/ features/mysql/article.php/3512461/MySQLs-Full-Text-Formulas.htm
Metaphone - by Wikipedia - http://en.wikipedia.org/wiki/Metaphone
The Levenstein distance - http://us2.php.net/levenshtein
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