1 code implementation • 23 Feb 2022 • Yanglei Song, Meng Zhou
This paper considers contextual bandits with a finite number of arms, where the contexts are independent and identically distributed $d$-dimensional random vectors, and the expected rewards are linear in both the arm parameters and contexts.
no code implementations • 24 Jun 2014 • Ahmed El-Kishky, Yanglei Song, Chi Wang, Clare Voss, Jiawei Han
Our solution combines a novel phrase mining framework to segment a document into single and multi-word phrases, and a new topic model that operates on the induced document partition.
no code implementations • 13 Mar 2014 • Chi Wang, Xueqing Liu, Yanglei Song, Jiawei Han
Automated generation of high-quality topical hierarchies for a text collection is a dream problem in knowledge engineering with many valuable applications.