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Search this site for Search the web for Search Ebay for Search Amazon for Do nslookup on Ping this ip/hostname Who is Trace route on this ip/hostname Directories Top > Computers > Software > Information Retrieval > Ranking > By Content Exploring the Similarity Space Evaluation of many combinations of term frequency statistics, document frequency statistics and document length normalization. [PDF format] Information Retrieval Tutorial Description of boolean retrieval, vector space model, probabilistic retrieval, latent semantic indexing and other IR topics. An introduction to various classical ranking methods is also provided. Latent Semantic Indexing: a Probabilistic Analysis Formal introduction to latent semantic indexing. [PS format] Document Ranking and the Vector-Space Model. It describes key issues in document ranking techniques based on the vector­ space model. Several TF*IDF variants are discussed. The cosine measure, recall and precision are introduced. [PS format] Ranking Algorithms "Ranking Algorithms" is chapter 14 in the Frakes and Baeza-Yates book. It gives a good discussion of the tradeoffs and choices among different term-weighting strategies. Probabilistic Retrieval A Chapter in a book which introduces probabilistic retrieval. Is This Document Relevant? ...Probably A survey of probabilistic models in information retrieval. [PDF format] Probabilistic Models in Information Retrieval Introduction to probabilistic models. A Case Study in Web Search Using TREC Algorithms This study evaluates the performance of a state-of-the-art keyword-based document ranking algorithm (coming out of TREC) on a popular web search task.

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