Plackett-Luce model for learning-to-rank task [article]

Tian Xia, Shaodan Zhai, Shaojun Wang
2019 arXiv   pre-print
List-wise based learning to rank methods are generally supposed to have better performance than point- and pair-wise based. However, in real-world applications, state-of-the-art systems are not from list-wise based camp. In this paper, we propose a new non-linear algorithm in the list-wise based framework called ListMLE, which uses the Plackett-Luce (PL) loss. Our experiments are conducted on the two largest publicly available real-world datasets, Yahoo challenge 2010 and Microsoft 30K. This is
more » ... the first time in the single model level for a list-wise based system to match or overpass state-of-the-art systems in real-world datasets.
arXiv:1909.06722v1 fatcat:5rrqzb5vxfbzplvy2jrwgu44wm