activity
20122023
most citedLearning from History and Present: Next-item Recommendation via Discriminatively Exploiting User Behaviors

200 citations · 1.6k across the 79 of their papers we have counts for

collaborators
Showing 2019Show all

19 papers · 1 filter

cs.LG2019★ 90 cited

Variance Reduced Local SGD with Lower Communication Complexity

Xianfeng Liang, Shuheng Shen, Jingchang Liu +3

To accelerate the training of machine learning models, distributed stochastic gradient descent (SGD) and its variants have been widely adopted, which apply multiple workers in para…

cs.LG2019

Estimating Early Fundraising Performance of Innovations via Graph-based Market Environment Model

Likang Wu, Zhi Li, Hongke Zhao +3

Well begun is half done. In the crowdfunding market, the early fundraising performance of the project is a concerned issue for both creators and platforms. However, estimating the…

cs.LG2019★ 8 cited

Fine-Tuning by Curriculum Learning for Non-Autoregressive Neural Machine Translation

Junliang Guo, Xu Tan, Linli Xu +3

Non-autoregressive translation (NAT) models remove the dependence on previous target tokens and generate all target tokens in parallel, resulting in significant inference speedup b…

eess.SP2019★ 4 cited

A Machine Learning-enhanced Robust P-Phase Picker for Real-time Seismic Monitoring

Dazhong Shen, Qi Zhang, Tong Xu +7

Identifying the arrival times of seismic P-phases plays a significant role in real-time seismic monitoring, which provides critical guidance for emergency response activities. Whil…

cs.AI2019

Long-term Joint Scheduling for Urban Traffic

Xianfeng Liang, Likang Wu, Joya Chen +7

Recently, the traffic congestion in modern cities has become a growing worry for the residents. As presented in Baidu traffic report, the commuting stress index has reached surpris…

cs.LG2019★ 9 cited

Balanced One-shot Neural Architecture Optimization

Renqian Luo, Tao Qin, Enhong Chen

The ability to rank candidate architectures is the key to the performance of neural architecture search~(NAS). One-shot NAS is proposed to reduce the expense but shows inferior per…

cs.CV2019

Is Heuristic Sampling Necessary in Training Deep Object Detectors?

Joya Chen, Dong Liu, Tong Xu +3

To train accurate deep object detectors under the extreme foreground-background imbalance, heuristic sampling methods are always necessary, which either re-sample a subset of all t…

cs.CV2019★ 2 cited

Residual Objectness for Imbalance Reduction

Joya Chen, Dong Liu, Bin Luo +3

For a long time, object detectors have suffered from extreme imbalance between foregrounds and backgrounds. While several sampling/reweighting schemes have been explored to allevia…

cs.MA2019★ 11 cited

STMARL: A Spatio-Temporal Multi-Agent Reinforcement Learning Approach for Cooperative Traffic Light Control

Yanan Wang, Tong Xu, Xin Niu +3

The development of intelligent traffic light control systems is essential for smart transportation management. While some efforts have been made to optimize the use of individual t…

cs.LG2019★ 2 cited

Neural Cognitive Diagnosis for Intelligent Education Systems

Fei Wang, Qi Liu, Enhong Chen +5

Cognitive diagnosis is a fundamental issue in intelligent education, which aims to discover the proficiency level of students on specific knowledge concepts. Existing approaches us…

cs.CL2019★ 7 cited

Promotion of Answer Value Measurement with Domain Effects in Community Question Answering Systems

Binbin Jin, Enhong Chen, Hongke Zhao +4

In the area of community question answering (CQA), answer selection and answer ranking are two tasks which are applied to help users quickly access valuable answers. Existing solut…

cs.IR2019★ 14 cited

Explainable Fashion Recommendation: A Semantic Attribute Region Guided Approach

Min Hou, Le Wu, Enhong Chen +3

In fashion recommender systems, each product usually consists of multiple semantic attributes (e.g., sleeves, collar, etc). When making cloth decisions, people usually show prefere…

cs.CY2019★ 52 cited

EKT: Exercise-aware Knowledge Tracing for Student Performance Prediction

Qi Liu, Zhenya Huang, Yu Yin +4

For offering proactive services to students in intelligent education, one of the fundamental tasks is predicting their performance (e.g., scores) on future exercises, where it is n…

cs.CL2019★ 7 cited

Chinese Embedding via Stroke and Glyph Information: A Dual-channel View

Hanqing Tao, Shiwei Tong, Tong Xu +2

Recent studies have consistently given positive hints that morphology is helpful in enriching word embeddings. In this paper, we argue that Chinese word embeddings can be substanti…

cs.CL2019★ 19 cited

Budgeted Policy Learning for Task-Oriented Dialogue Systems

Zhirui Zhang, Xiujun Li, Jianfeng Gao +1

This paper presents a new approach that extends Deep Dyna-Q (DDQ) by incorporating a Budget-Conscious Scheduling (BCS) to best utilize a fixed, small amount of user interactions (b…

cs.SI2019★ 133 cited

MCNE: An End-to-End Framework for Learning Multiple Conditional Network Representations of Social Network

Hao Wang, Tong Xu, Qi Liu +5

Recently, the Network Representation Learning (NRL) techniques, which represent graph structure via low-dimension vectors to support social-oriented application, have attracted wid…

cs.LG2019★ 26 cited

Transcribing Content from Structural Images with Spotlight Mechanism

Yu Yin, Zhenya Huang, Enhong Chen +4

Transcribing content from structural images, e.g., writing notes from music scores, is a challenging task as not only the content objects should be recognized, but the internal str…

cs.LG2019★ 36 cited

QuesNet: A Unified Representation for Heterogeneous Test Questions

Yu Yin, Qi Liu, Zhenya Huang +4

Understanding learning materials (e.g. test questions) is a crucial issue in online learning systems, which can promote many applications in education domain. Unfortunately, many s…

cs.CY2019★ 137 cited

Exploiting Cognitive Structure for Adaptive Learning

Qi Liu, Shiwei Tong, Chuanren Liu +4

Adaptive learning, also known as adaptive teaching, relies on learning path recommendation, which sequentially recommends personalized learning items (e.g., lectures, exercises) to…