Plackett-Luce Regression Mixture model for heterogeneous rankings

• Main Authors: TKACHENKO, Maksim, LAUW, Hady W.
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2016
• Subjects: Mixture model; Graphical model; Plackett-Luce; Heterogeneous Ranking; Learning to rank; Databases and Information Systems; Numerical Analysis and Scientific Computing
• Online Access: https://ink.library.smu.edu.sg/sis_research/3354; https://ink.library.smu.edu.sg/context/sis_research/article/4356/viewcontent/Plackett_luceRegression.pdf
• Institution: Singapore Management University

Learning to rank is an important problem in many scenarios, such as information retrieval, natural language processing, recommender systems, etc. The objective is to learn a function that ranks a number of instances based on their features. In the vast majority of the learning to rank literature, th...