Search relevance is a difficult problem in information retrieval. How do you ensure that you get the best results back from searching a collection of documents? Let's explore a few basic strategies, including simple searching, term-frequency searching, and TF-IDF searching.
Term frequency-inverse document frequency is a means of assigning weight to a search term when comparing individual documents within a corpus. It is an improvement on the bag-of-words model in that it considers the relative rarity of a term within a larger corpus.
Tag: information retrieval (p. 1)