Search Results for author: Weijia Jia

Found 28 papers, 7 papers with code

MEL: Efficient Multi-Task Evolutionary Learning for High-Dimensional Feature Selection

1 code implementation14 Feb 2024 Xubin Wang, Haojiong Shangguan, Fengyi Huang, Shangrui Wu, Weijia Jia

By incorporating information sharing between different feature selection tasks, MEL achieves enhanced learning ability and efficiency.

feature selection Multi-Task Learning

Adversarial Bandits with Multi-User Delayed Feedback: Theory and Application

1 code implementation17 Oct 2023 Yandi Li, Jianxiong Guo, Yupeng Li, Tian Wang, Weijia Jia

Thus, we formulate an adversarial MAB problem with multi-user delayed feedback and design a modified EXP3 algorithm MUD-EXP3, which makes a decision at each round by considering the importance-weighted estimator of the received feedback from different users.

A Fast Task Offloading Optimization Framework for IRS-Assisted Multi-Access Edge Computing System

1 code implementation17 Jul 2023 Jianqiu Wu, Zhongyi Yu, Jianxiong Guo, Zhiqing Tang, Tian Wang, Weijia Jia

Terahertz communication networks and intelligent reflecting surfaces exhibit significant potential in advancing wireless networks, particularly within the domain of aerial-based multi-access edge computing systems.

Combinatorial Optimization Edge-computing

A Scope Sensitive and Result Attentive Model for Multi-Intent Spoken Language Understanding

no code implementations22 Nov 2022 Lizhi Cheng, Wenmian Yang, Weijia Jia

Result Attention Network effectively utilizes the bidirectional interaction between results of slot filling and intent detection, mitigating the error propagation problem.

Intent Detection slot-filling +2

FedCL: Federated Multi-Phase Curriculum Learning to Synchronously Correlate User Heterogeneity

1 code implementation14 Nov 2022 Mingjie Wang, Jianxiong Guo, Weijia Jia

However, a significant challenge in FL is handling the heterogeneity of local data distribution, which often results in a drifted global model that is difficult to converge.

Federated Learning Knowledge Distillation +2

Capture Salient Historical Information: A Fast and Accurate Non-Autoregressive Model for Multi-turn Spoken Language Understanding

no code implementations24 Jun 2022 Lizhi Cheng, Weijia Jia, Wenmian Yang

SHA captures salient historical information for the current dialogue from both historical utterances and results via a well-designed history-attention mechanism.

Spoken Language Understanding

Mixed Strategies for Security Games with General Defending Requirements

no code implementations26 Apr 2022 Rufan Bai, Haoxing Lin, Xinyu Yang, Xiaowei Wu, Minming Li, Weijia Jia

In this work, we initiate the study of mixed strategies for the security games in which the targets can have different defending requirements.

Adversarial Attack

An Effective Non-Autoregressive Model for Spoken Language Understanding

no code implementations16 Aug 2021 Lizhi Cheng, Weijia Jia, Wenmian Yang

Spoken Language Understanding (SLU), a core component of the task-oriented dialogue system, expects a shorter inference latency due to the impatience of humans.

Spoken Language Understanding

A Result based Portable Framework for Spoken Language Understanding

no code implementations10 Mar 2021 Lizhi Cheng, Weijia Jia, Wenmian Yang

Spoken language understanding (SLU), which is a core component of the task-oriented dialogue system, has made substantial progress in the research of single-turn dialogue.

Spoken Language Understanding

Regularized Attentive Capsule Network for Overlapped Relation Extraction

no code implementations COLING 2020 Tianyi Liu, Xiangyu Lin, Weijia Jia, Mingliang Zhou, Wei Zhao

Distantly supervised relation extraction has been widely applied in knowledge base construction due to its less requirement of human efforts.

Relation Relation Extraction +1

Generative and Discriminative Learning for Distorted Image Restoration

no code implementations11 Nov 2020 Yi Gu, Yuting Gao, Jie Li, Chentao Wu, Weijia Jia

Due to the uncertainty in the distortion variation, restoring distorted images caused by liquify filter is a challenging task.

Image Restoration

Label Smoothing and Adversarial Robustness

no code implementations17 Sep 2020 Chaohao Fu, Hongbin Chen, Na Ruan, Weijia Jia

We find that training model with label smoothing can easily achieve striking accuracy under most gradient-based attacks.

Adversarial Attack Adversarial Robustness

Preserving Dynamic Attention for Long-Term Spatial-Temporal Prediction

1 code implementation16 Jun 2020 Haoxing Lin, Rufan Bai, Weijia Jia, Xinyu Yang, Yongjian You

To filter out irrelevant noises and alleviate the error propagation, DSAN dynamically extracts valuable information by applying self-attention over the noisy input and bridges each output directly to the purified inputs via implementing a switch-attention mechanism.

Future prediction

Interpretable Crowd Flow Prediction with Spatial-Temporal Self-Attention

1 code implementation22 Feb 2020 Haoxing Lin, Weijia Jia, Yongjian You, Yiping Sun

Crowd flow prediction has been increasingly investigated in intelligent urban computing field as a fundamental component of urban management system.

Management

Spatial-Temporal Self-Attention Network for Flow Prediction

no code implementations13 Dec 2019 Haoxing Lin, Weijia Jia, Yiping Sun, Yongjian You

Flow prediction (e. g., crowd flow, traffic flow) with features of spatial-temporal is increasingly investigated in AI research field.

Interactive Variance Attention based Online Spoiler Detection for Time-Sync Comments

no code implementations9 Aug 2019 Wenmian Yang, Weijia Jia, Wenyuan Gao, Xiaojie Zhou, Yutao Luo

In this paper, we proposed a novel Similarity-Based Network with Interactive Variance Attention (SBN-IVA) to classify comments as spoilers or not.

Semantic Similarity Semantic Textual Similarity

Improving Abstractive Document Summarization with Salient Information Modeling

no code implementations ACL 2019 Yongjian You, Weijia Jia, Tianyi Liu, Wenmian Yang

Comprehensive document encoding and salient information selection are two major difficulties for generating summaries with adequate salient information.

Document Summarization

Legal Judgment Prediction via Multi-Perspective Bi-Feedback Network

no code implementations10 May 2019 Wenmian Yang, Weijia Jia, XIaojie Zhou, Yutao Luo

To distinguish cases with similar descriptions but different penalties, we integrate word collocations features of fact descriptions into the network via an attention mechanism.

Time-sync Video Tag Extraction Using Semantic Association Graph

no code implementations3 May 2019 Wenmian Yang, Kun Wang, Na Ruan, Wenyuan Gao, Weijia Jia, Wei Zhao, Nan Liu, Yunyong Zhang

Finally, we gain the weight of each word by combining Semantic Weight (SW) and Inverse Document Frequency (IDF).

TAG

Herding Effect based Attention for Personalized Time-Sync Video Recommendation

no code implementations2 May 2019 Wenmian Yang, Wenyuan Gao, Xiaojie Zhou, Weijia Jia, Shaohua Zhang, Yutao Luo

Time-sync comment (TSC) is a new form of user-interaction review associated with real-time video contents, which contains a user's preferences for videos and therefore well suited as the data source for video recommendations.

Collaborative Filtering

Neural Relation Extraction via Inner-Sentence Noise Reduction and Transfer Learning

no code implementations EMNLP 2018 Tianyi Liu, Xinsong Zhang, Wanhao Zhou, Weijia Jia

Extracting relations is critical for knowledge base completion and construction in which distant supervised methods are widely used to extract relational facts automatically with the existing knowledge bases.

Knowledge Base Completion Relation +3

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