An evolutionary approach for combining different sources of evidence in search engines

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@Article{Silva2009276,

• author = "Thomaz Philippe C. Silva and Edleno {Silva de Moura} and Joao Marcos B. Cavalcanti and Altigran S. {da Silva} and Moises {Gomes de Carvalho} and Marcos Andre Goncalves",
• title = "An evolutionary approach for combining different sources of evidence in search engines",
• journal = "Information Systems",
• volume = "34",
• number = "2",
• pages = "276--289",
• year = "2009",
• ISSN = "0306-4379",
• DOI = "DOI:10.1016/j.is.2008.07.003",
• URL = "http://www.sciencedirect.com/science/article/B6V0G-4T4HP8N-1/2/3258fa63377a3abe2d62f197d61bd917",
• keywords = "genetic algorithms, genetic programming, Ranking functions, Combining sources of evidence",
• abstract = "Modern Web search engines use different strategies to improve the overall quality of their document rankings. Usually the strategy adopted involves the combination of multiple sources of relevance into a single ranking. This work proposes the use of evolutionary techniques to derive good evidence combination functions using three different sources of evidence of relevance: the textual content of documents, the reputation of documents extracted from the connectivity information available in the processed collection and the anchor text concatenation. The combination functions discovered by our evolutionary strategies were tested using a collection containing 368 queries extracted from a real nation-wide search engine query log with over 12 million documents. The experiments performed indicate that our proposal is an effective and practical alternative for combining sources of evidence into a single ranking. We also show that different types of queries submitted to a search engine can require different combination functions and that our proposal is useful for coping with such differences.",

}

Genetic Programming entries for Thomaz Philippe C Silva Edleno Silva de Moura Joao Marcos B Cavalcanti Altigran S da Silva Moises G de Carvalho Marcos Andre Goncalves

Citations