Techniques for information retrieval
To retrieve information, we can start by using two techniques:
· Friday, September 17, 2010
Help Me Find Inca Tattoos
recovery systems fuzzy logic
Sets consultations with normal sentences, so that the machine to perform the search eliminates punctuation, articles, conjunctions, plurals, tenses, common words (which usually appear on all documents) , leaving only those words that the system considers relevant. The recovery is based on logical propositions with true and false values, taking into account the location of the word in the document
weighting techniques
terms
terms
The weighting is intended to give an appropriate value to the search depending on user interests. Recovered documents are based on the value obtained in the weighting. The value depends on the relevant terms contained in the document and how often to repeat. So that the most relevant document search would be one that has represented all search terms and also the more valuable that repeated more times, regardless of where they locate in the document.
http://www.mariapinto.es/e-coms/recu_infor.htm # ri9
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