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Information Retrieval Tutorial - http://isp.imm.dtu.dk/thor/projects/multimedia/textmining/
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. |
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Exploring the Similarity Space - http://goanna.cs.rmit.edu.au/~jz/fulltext/sigirforum98.pdf
Evaluation of many combinations of term frequency statistics, document frequency statistics and document length normalization. |
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Is This Document Relevant? ...Probably - http://www.dcs.gla.ac.uk/~iain/papers/98-csur.pdf
A survey of probabilistic models in information retrieval. |
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Document Ranking and the Vector-Space Model. - http://www.cs.ust.hk/~dlee/Papers/ir/ieee-sw-rank.ps.gz
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] |