Abstract:This paper analyzes the evaluation indexes of Web search engines using the epidemiological screening theory without gold standard. User experience score and user judgment are used as the prior information of Bayes estimation. Then it maks use of the MCMC(Markov Chain Monte Carlo)technology to estimate the sensitivity,specificity and detection rate of Baidu and Google(Simplified Chinese).
张李义, 陈明英. 搜索引擎的灵敏度和特异度研究[J]. 现代图书情报技术, 2011, 27(7/8): 41-46.
Zhang Liyi, Chen Mingying. Research on the Sensitivity and Specificity of Search Engines. New Technology of Library and Information Service, 2011, 27(7/8): 41-46.