Gomes, G. C. M., Oliveira, V. C., Almeida, J. M. and Gonçalves, M. A. (2013) “Is Learning to Rank Worth it? A Statistical Analysis of Learning to Rank Methods in the LETOR Benchmarks”, Journal of Information and Data Management, 4(1), p. 57. doi: 10.5753/jidm.2013.1470.