Archive for the ‘Information retrieval’ Category

February 25th, 2009 - 4:23 pm § in Information retrieval, Search engines, Tutorials

Short Information Retrieval glossary

When you read papers or patents to do with information retrieval, sometimes the authors assume you know what some of the things they use are all about and don’t explain it.   I have written a tutorial on the Search Engine Index, and also on Search Engine Spiders and Clustering.  Those should[...]

February 25th, 2009 - 2:35 pm § in Information retrieval, Ranking algorithms, Semantic web

New ranking algorithms

Ranking algorithms are changing a great deal at the moment.  Before, like HITS and PageRank they looked at how websites and pages were connected and used any information they could gather from those to use as variables.  Nowadays we’re seeing research papers come out focusing on how the sema[...]

January 7th, 2009 - 11:21 pm § in Adversarial IR, Information retrieval

SEO = Adversarial IR

SEO is more than often classified as an “Adversarial information retrieval” technique in the computing world.  I say this because AIRWeb for example consider “malicious attempts to influence the outcome of ranking algorithms, aimed at getting an undeserved high ranking for some it[...]

December 19th, 2008 - 7:36 pm § in Information retrieval

High level IR book

“Information Retrieval: Algorithms and Heuristics” by David A. Grossman and Ophir Frieder is a very useful book for those wanting to understand more about how information retrieval really works:  “This book is not yet another high level text. Instead, algorithms are thoroughly de[...]





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