Search Results for author: Xu Jun

Found 3 papers, 0 papers with code

Beyond Precision: A Study on Recall of Initial Retrieval with Neural Representations

no code implementations22 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.

Information Retrieval Re-Ranking +1

Learning Visual Features from Snapshots for Web Search

no code implementations19 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.

Learning-To-Rank Retrieval

Incorporating Semantic Knowledge into Latent Matching Model in Search

no code implementations21 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.

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