Search Results for author: Keli Xiao

Found 4 papers, 1 papers with code

Token-Event-Role Structure-based Multi-Channel Document-Level Event Extraction

no code implementations30 Jun 2023 Qizhi Wan, Changxuan Wan, Keli Xiao, Hui Xiong, Dexi Liu, Xiping Liu

This paper introduces a novel framework for document-level event extraction, incorporating a new data structure called token-event-role and a multi-channel argument role prediction module.

Document-level Event Extraction Event Extraction +2

Route Optimization via Environment-Aware Deep Network and Reinforcement Learning

no code implementations16 Nov 2021 Pengzhan Guo, Keli Xiao, Zeyang Ye, Wei Zhu

Vehicle mobility optimization in urban areas is a long-standing problem in smart city and spatial data analysis.

Decision Making reinforcement-learning +2

Weighted Aggregating Stochastic Gradient Descent for Parallel Deep Learning

no code implementations7 Apr 2020 Pengzhan Guo, Zeyang Ye, Keli Xiao, Wei Zhu

Following a theoretical analysis on the characteristics of the new objective function, WASGD introduces a decentralized weighted aggregating scheme based on the performance of local workers.

Stochastic Optimization

Enhancing Domain Word Embedding via Latent Semantic Imputation

1 code implementation21 May 2019 Shibo Yao, Dantong Yu, Keli Xiao

We present a novel method named Latent Semantic Imputation (LSI) to transfer external knowledge into semantic space for enhancing word embedding.

Imputation Language Modelling

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