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Information Retrieval Modeling (IRM)

Information Retrieval Modeling (IRM)

This video was recorded at 3rd Russian Summer School in Information Retrieval (RuSSIR), Petrozavodsk 2009. There is no such thing as a dominating model or theory of information retrieval, unlike the situation in for instance the area of databases where the relational model is the dominating database model. In information retrieval, some models work for some applications, whereas others work for other applications. For instance, vector space models are well-suited for similarity search and relevance feedback in many (also non-textual) situations if a good weighting function is available; the probabilistic retrieval model or naive Bayes model might be a good choice if examples of relevant and nonrelevant documents are available; Google's Pagerank model is often used in situations that need... Show More

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