Search Results for author: Lan Wu

Found 5 papers, 2 papers with code

Large-Scale Traffic Data Imputation with Spatiotemporal Semantic Understanding

no code implementations27 Jan 2023 Kunpeng Zhang, Lan Wu, Liang Zheng, Na Xie, Zhengbing He

Specifically, the proposed model introduces semantic descriptions consisting of network-wide spatial and temporal information of traffic data to help the GT-TDI model capture spatiotemporal correlations at a network level.

Imputation Traffic Data Imputation

Constructing long-short stock portfolio with a new listwise learn-to-rank algorithm

1 code implementation26 Apr 2021 Xin Zhang, Lan Wu, Zhixue Chen

Our loss function, motivated by the long-short strategy, is endogenously shift-invariant and can be viewed as a direct generalization of ListMLE.

Binary Classification

Partial FC: Training 10 Million Identities on a Single Machine

8 code implementations11 Oct 2020 Xiang An, Xuhan Zhu, Yang Xiao, Lan Wu, Ming Zhang, Yuan Gao, Bin Qin, Debing Zhang, Ying Fu

The experiment demonstrates no loss of accuracy when training with only 10\% randomly sampled classes for the softmax-based loss functions, compared with training with full classes using state-of-the-art models on mainstream benchmarks.

Face Identification Face Recognition +2

A proposal for a Chinese keyboard for cellphones, smartphones, ipads and tablets

no code implementations21 Aug 2013 Maurice Margenstern, Lan Wu

In this paper, we investigate the possibility to use two tilings of the hyperbolic plane as basic frame for devising a way to input texts in Chinese characters into messages of cellphones, smartphones, ipads and tablets.

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