no code implementations • 22 Jul 2018 • Xiao Yan, Guo Jiafeng, Fan Yixing, Lan Yanyan, Xu Jun, Cheng Xueqi
Our experiments show that both hybrid index and search schemes can improve the recall of the initial retrieval stage with small overhead.
no code implementations • 19 Oct 2017 • Fan Yixing, Guo Jiafeng, Lan Yanyan, Xu Jun, Pang Liang, Cheng Xueqi
In this work, we propose to learn rich visual features automatically from the layout of Web pages (i. e., Web page snapshots) for relevance ranking.
no code implementations • 21 Apr 2016 • Wang Shuxin, Jiang Xin, Li Hang, Xu Jun, Wang Bin
One technical challenge with the approach is that it is hard to train a model for tail queries and tail documents for which there are not enough clicks.