Lu Chen

An Investigation on Different Underlying Quantization Schemes for Pre-trained Language Models

Recently, pre-trained language models like BERT have shown promising per...
10/14/2020 ∙ by Zihan Zhao, et al. ∙ 3 ∙ share

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Spatial-Temporal Demand Forecasting and Competitive Supply via Graph Convolutional Networks

We consider a setting with an evolving set of requests for transportatio...
09/24/2020 ∙ by Bolong Zheng, et al. ∙ 0 ∙ share

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CREDIT: Coarse-to-Fine Sequence Generation for Dialogue State Tracking

In dialogue systems, a dialogue state tracker aims to accurately find a ...
09/22/2020 ∙ by Zhi Chen, et al. ∙ 0 ∙ share

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Dual Learning for Dialogue State Tracking

In task-oriented multi-turn dialogue systems, dialogue state refers to a...
09/22/2020 ∙ by Zhi Chen, et al. ∙ 0 ∙ share

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Efficiently Finding a Maximal Clique Summary via Effective Sampling

Maximal clique enumeration (MCE) is a fundamental problem in graph theor...
09/22/2020 ∙ by Xiaofan Li, et al. ∙ 0 ∙ share

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Structured Hierarchical Dialogue Policy with Graph Neural Networks

Dialogue policy training for composite tasks, such as restaurant reserva...
09/22/2020 ∙ by Zhi Chen, et al. ∙ 0 ∙ share

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Distributed Structured Actor-Critic Reinforcement Learning for Universal Dialogue Management

The task-oriented spoken dialogue system (SDS) aims to assist a human us...
09/22/2020 ∙ by Zhi Chen, et al. ∙ 0 ∙ share

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Deep Reinforcement Learning for On-line Dialogue State Tracking

Dialogue state tracking (DST) is a crucial module in dialogue management...
09/22/2020 ∙ by Zhi Chen, et al. ∙ 0 ∙ share

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Vector Projection Network for Few-shot Slot Tagging in Natural Language Understanding

Few-shot slot tagging becomes appealing for rapid domain transfer and ad...
09/21/2020 ∙ by Su Zhu, et al. ∙ 0 ∙ share

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Robust Spoken Language Understanding with RL-based Value Error Recovery

Spoken Language Understanding (SLU) aims to extract structured semantic ...
09/07/2020 ∙ by Chen Liu, et al. ∙ 0 ∙ share

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Efficient Exact Algorithms for Maximum Balanced Biclique Search in Bipartite Graphs

Given a bipartite graph, the maximum balanced biclique (MBB) problem, di...
07/17/2020 ∙ by Lu Chen, et al. ∙ 0 ∙ share

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Unsupervised Dual Paraphrasing for Two-stage Semantic Parsing

One daunting problem for semantic parsing is the scarcity of annotation....
05/27/2020 ∙ by Ruisheng Cao, et al. ∙ 0 ∙ share

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Jointly Encoding Word Confusion Network and Dialogue Context with BERT for Spoken Language Understanding

Spoken Language Understanding (SLU) converts hypotheses from automatic s...
05/24/2020 ∙ by Chen Liu, et al. ∙ 0 ∙ share

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Indexing Metric Spaces for Exact Similarity Search

With the continued digitalization of societal processes, we are seeing a...
05/07/2020 ∙ by Lu Chen, et al. ∙ 0 ∙ share

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Semi-Supervised Text Simplification with Back-Translation and Asymmetric Denoising Autoencoders

Text simplification (TS) rephrases long sentences into simplified varian...
04/30/2020 ∙ by Yanbin Zhao, et al. ∙ 0 ∙ share

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CrowdTSC: Crowd-based Neural Networks for Text Sentiment Classification

Sentiment classification is a fundamental task in content analysis. Alth...
04/26/2020 ∙ by Keyu Yang, et al. ∙ 0 ∙ share

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Efficient Context and Schema Fusion Networks for Multi-Domain Dialogue State Tracking

Dialogue state tracking (DST) aims at estimating the current dialogue st...
04/07/2020 ∙ by Su Zhu, et al. ∙ 0 ∙ share

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Index-based Solutions for Efficient Density Peaks Clustering

Density Peaks Clustering (DPC), a novel density-based clustering approac...
02/08/2020 ∙ by Zafaryab Rasool, et al. ∙ 0 ∙ share

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Attacking Optical Character Recognition (OCR) Systems with Adversarial Watermarks

Optical character recognition (OCR) is widely applied in real applicatio...
02/08/2020 ∙ by Lu Chen, et al. ∙ 17 ∙ share

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Finding Effective Geo-Social Group for Impromptu Activity with Multiple Demands

Geo-social group search aims to find a group of people proximate to a lo...
12/18/2019 ∙ by Lu Chen, et al. ∙ 0 ∙ share

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AgentGraph: Towards Universal Dialogue Management with Structured Deep Reinforcement Learning

Dialogue policy plays an important role in task-oriented spoken dialogue...
05/27/2019 ∙ by Lu Chen, et al. ∙ 5 ∙ share

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Recurrent Multi-Graph Neural Networks for Travel Cost Prediction

Origin-destination (OD) matrices are often used in urban planning, where...
11/13/2018 ∙ by Jilin Hu, et al. ∙ 0 ∙ share

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DIAG-NRE: A Deep Pattern Diagnosis Framework for Distant Supervision Neural Relation Extraction

Modern neural network models have achieved the state-of-the-art performa...
11/06/2018 ∙ by Shun Zheng, et al. ∙ 0 ∙ share

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Towards Universal Dialogue State Tracking

Dialogue state tracking is the core part of a spoken dialogue system. It...
10/22/2018 ∙ by Liliang Ren, et al. ∙ 0 ∙ share

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Bayesian Logistic Regression for Small Areas with Numerous Households

We analyze binary data, available for a relatively large number (big dat...
06/01/2018 ∙ by Balgobin Nandram, et al. ∙ 0 ∙ share

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Bayesian Predictive Inference For Finite Population Quantities Under Informative Sampling

We investigate Bayesian predictive inference for finite population quant...
04/09/2018 ∙ by Junheng Ma, et al. ∙ 0 ∙ share

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High Throughput Low Delay Wireless Multicast via Multi-Channel Moving Window Codes

A fundamental challenge in wireless multicast has been how to simultaneo...
01/05/2018 ∙ by Fei Wu, et al. ∙ 0 ∙ share

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Lu Chen

Featured Co-authors

Wei Xu

Fei Wu

Bin Yang

Qi Liu

Kai Yu

Zheng Li

Milica Gašić

Zhi Chen

Chen Liu

Xiang Zhou

Yun Yang

An Investigation on Different Underlying Quantization Schemes for Pre-trained Language Models

Spatial-Temporal Demand Forecasting and Competitive Supply via Graph Convolutional Networks

CREDIT: Coarse-to-Fine Sequence Generation for Dialogue State Tracking

Dual Learning for Dialogue State Tracking

Efficiently Finding a Maximal Clique Summary via Effective Sampling

Structured Hierarchical Dialogue Policy with Graph Neural Networks

Distributed Structured Actor-Critic Reinforcement Learning for Universal Dialogue Management

Deep Reinforcement Learning for On-line Dialogue State Tracking

Vector Projection Network for Few-shot Slot Tagging in Natural Language Understanding

Robust Spoken Language Understanding with RL-based Value Error Recovery

Efficient Exact Algorithms for Maximum Balanced Biclique Search in Bipartite Graphs

Unsupervised Dual Paraphrasing for Two-stage Semantic Parsing

Jointly Encoding Word Confusion Network and Dialogue Context with BERT for Spoken Language Understanding

Indexing Metric Spaces for Exact Similarity Search

Semi-Supervised Text Simplification with Back-Translation and Asymmetric Denoising Autoencoders

CrowdTSC: Crowd-based Neural Networks for Text Sentiment Classification

Efficient Context and Schema Fusion Networks for Multi-Domain Dialogue State Tracking

Index-based Solutions for Efficient Density Peaks Clustering

Attacking Optical Character Recognition (OCR) Systems with Adversarial Watermarks

Finding Effective Geo-Social Group for Impromptu Activity with Multiple Demands

AgentGraph: Towards Universal Dialogue Management with Structured Deep Reinforcement Learning

Recurrent Multi-Graph Neural Networks for Travel Cost Prediction

DIAG-NRE: A Deep Pattern Diagnosis Framework for Distant Supervision Neural Relation Extraction

Towards Universal Dialogue State Tracking

Bayesian Logistic Regression for Small Areas with Numerous Households

Bayesian Predictive Inference For Finite Population Quantities Under Informative Sampling

High Throughput Low Delay Wireless Multicast via Multi-Channel Moving Window Codes