Search Results for author: Wen-Chih Peng

Found 35 papers, 23 papers with code

COKE: Causal Discovery with Chronological Order and Expert Knowledge in High Proportion of Missing Manufacturing Data

1 code implementation17 Jul 2024 Ting-Yun Ou, Ching Chang, Wen-Chih Peng

Utilizing the characteristics of the recipe, we maximize the use of samples with missing values, derive embeddings from intersections with an initial graph that incorporates expert knowledge and chronological order, and create a sensor ordering graph.

Causal Discovery Missing Values

Offline Imitation of Badminton Player Behavior via Experiential Contexts and Brownian Motion

1 code implementation19 Mar 2024 Kuang-Da Wang, Wei-Yao Wang, Ping-Chun Hsieh, Wen-Chih Peng

(iii) To generate more realistic behavior, RallyNet leverages Geometric Brownian Motion (GBM) to model the interactions between players by introducing a valuable inductive bias for learning player behaviors.

Imitation Learning Inductive Bias +1

Team Trifecta at Factify5WQA: Setting the Standard in Fact Verification with Fine-Tuning

1 code implementation15 Mar 2024 Shang-Hsuan Chiang, Ming-Chih Lo, Lin-Wei Chao, Wen-Chih Peng

In this paper, we present Pre-CoFactv3, a comprehensive framework comprised of Question Answering and Text Classification components for fact verification.

Fact Verification In-Context Learning +3

Large Language Multimodal Models for 5-Year Chronic Disease Cohort Prediction Using EHR Data

no code implementations2 Mar 2024 Jun-En Ding, Phan Nguyen Minh Thao, Wen-Chih Peng, Jian-Zhe Wang, Chun-Cheng Chug, Min-Chen Hsieh, Yun-Chien Tseng, Ling Chen, Dongsheng Luo, Chi-Te Wang, Pei-fu Chen, Feng Liu, Fang-Ming Hung

In our experiments, we observe that clinicalBERT and PubMed-BERT, when combined with attention fusion, can achieve an accuracy of 73% in multiclass chronic diseases and diabetes prediction.

Diabetes Prediction

Root Cause Analysis In Microservice Using Neural Granger Causal Discovery

1 code implementation2 Feb 2024 Cheng-Ming Lin, Ching Chang, Wei-Yao Wang, Kuang-Da Wang, Wen-Chih Peng

To address these challenges, we propose RUN, a novel approach for root cause analysis using neural Granger causal discovery with contrastive learning.

Causal Discovery Contrastive Learning +2

A Survey on Self-Supervised Learning for Non-Sequential Tabular Data

1 code implementation2 Feb 2024 Wei-Yao Wang, Wei-Wei Du, Derek Xu, Wei Wang, Wen-Chih Peng

Recently, SSL has become a new trend in exploring the representation learning capability in the realm of tabular data, which is more challenging due to not having explicit relations for learning descriptive representations.

Contrastive Learning Descriptive +2

Style-News: Incorporating Stylized News Generation and Adversarial Verification for Neural Fake News Detection

no code implementations27 Jan 2024 Wei-Yao Wang, Yu-Chieh Chang, Wen-Chih Peng

In this paper, we focus on neural fake news, which refers to content generated by neural networks aiming to mimic the style of real news to deceive people.

Fake News Detection Misinformation +1

ShuttleSHAP: A Turn-Based Feature Attribution Approach for Analyzing Forecasting Models in Badminton

1 code implementation18 Dec 2023 Wei-Yao Wang, Wen-Chih Peng, Wei Wang, Philip S. Yu

Agent forecasting systems have been explored to investigate agent patterns and improve decision-making in various domains, e. g., pedestrian predictions and marketing bidding.

Decision Making Marketing

SeGA: Preference-Aware Self-Contrastive Learning with Prompts for Anomalous User Detection on Twitter

1 code implementation17 Dec 2023 Ying-Ying Chang, Wei-Yao Wang, Wen-Chih Peng

In the dynamic and rapidly evolving world of social media, detecting anomalous users has become a crucial task to address malicious activities such as misinformation and cyberbullying.

Contrastive Learning Misinformation

TimeDRL: Disentangled Representation Learning for Multivariate Time-Series

1 code implementation7 Dec 2023 Ching Chang, Chiao-Tung Chan, Wei-Yao Wang, Wen-Chih Peng, Tien-Fu Chen

Multivariate time-series data in numerous real-world applications (e. g., healthcare and industry) are informative but challenging due to the lack of labels and high dimensionality.

Inductive Bias Representation Learning +4

RSVP: Customer Intent Detection via Agent Response Contrastive and Generative Pre-Training

1 code implementation15 Oct 2023 Yu-Chien Tang, Wei-Yao Wang, An-Zi Yen, Wen-Chih Peng

Existing intent detection approaches have highly relied on adaptively pre-training language models with large-scale datasets, yet the predominant cost of data collection may hinder their superiority.

Intent Detection Response Generation

DoRA: Domain-Based Self-Supervised Learning Framework for Low-Resource Real Estate Appraisal

1 code implementation2 Sep 2023 Wei-Wei Du, Wei-Yao Wang, Wen-Chih Peng

Existing automated valuation models reducing the subjectivity of domain experts require a large number of transactions for effective evaluation, which is predominantly limited to not only the labeling efforts of transactions but also the generalizability of new developing and rural areas.

Contrastive Learning Decision Making +1

LLM4TS: Aligning Pre-Trained LLMs as Data-Efficient Time-Series Forecasters

no code implementations16 Aug 2023 Ching Chang, Wei-Yao Wang, Wen-Chih Peng, Tien-Fu Chen

Recently, researchers have leveraged the representation learning transferability of pre-trained Large Language Models (LLMs) to handle limited non-linguistic datasets effectively.

Chatbot Multivariate Time Series Forecasting +4

Benchmarking Stroke Forecasting with Stroke-Level Badminton Dataset

1 code implementation27 Jun 2023 Wei-Yao Wang, Wei-Wei Du, Wen-Chih Peng, Tsi-Ui Ik

In recent years, badminton analytics has drawn attention due to the advancement of artificial intelligence and the efficiency of data collection.

Benchmarking

ShuttleSet: A Human-Annotated Stroke-Level Singles Dataset for Badminton Tactical Analysis

2 code implementations8 Jun 2023 Wei-Yao Wang, Yung-Chang Huang, Tsi-Ui Ik, Wen-Chih Peng

With the recent progress in sports analytics, deep learning approaches have demonstrated the effectiveness of mining insights into players' tactics for improving performance quality and fan engagement.

Action Detection Sports Analytics

NYCU-TWO at Memotion 3: Good Foundation, Good Teacher, then you have Good Meme Analysis

no code implementations13 Feb 2023 Yu-Chien Tang, Kuang-Da Wang, Ting-Yun Ou, Wen-Chih Peng

In this work, we use CLIP to extract aligned image-text features and propose a novel meme sentiment analysis framework, consisting of a Cooperative Teaching Model (CTM) for Task A and a Cascaded Emotion Classifier (CEC) for Tasks B&C.

Knowledge Distillation Sentiment Analysis

Team Triple-Check at Factify 2: Parameter-Efficient Large Foundation Models with Feature Representations for Multi-Modal Fact Verification

1 code implementation12 Feb 2023 Wei-Wei Du, Hong-Wei Wu, Wei-Yao Wang, Wen-Chih Peng

Multi-modal fact verification has become an important but challenging issue on social media due to the mismatch between the text and images in the misinformation of news content, which has been addressed by considering cross-modalities to identify the veracity of the news in recent years.

Fact Verification Misinformation

Detecting and Ranking Causal Anomalies in End-to-End Complex System

no code implementations18 Jan 2023 Ching Chang, Wen-Chih Peng

By collecting a large amount of machine sensor data, we can have many ways to find anomalies.

Look Around! A Neighbor Relation Graph Learning Framework for Real Estate Appraisal

no code implementations23 Dec 2022 Chih-Chia Li, Wei-Yao Wang, Wei-Wei Du, Wen-Chih Peng

However, existing methods only consider the real estate itself, ignoring the relation between the properties.

Graph Learning Relation

Where Will Players Move Next? Dynamic Graphs and Hierarchical Fusion for Movement Forecasting in Badminton

1 code implementation22 Nov 2022 Kai-Shiang Chang, Wei-Yao Wang, Wen-Chih Peng

To address these challenges, we first introduce the procedure of the Player Movements (PM) graph to exploit the structural movements of players with strategic relations.

Sports Analytics

Track2Vec: fairness music recommendation with a GPU-free customizable-driven framework

2 code implementations29 Oct 2022 Wei-Wei Du, Wei-Yao Wang, Wen-Chih Peng

Recommendation systems have illustrated the significant progress made in characterizing users' preferences based on their past behaviors.

Diversity Fairness +3

Team Yao at Factify 2022: Utilizing Pre-trained Models and Co-attention Networks for Multi-Modal Fact Verification

1 code implementation26 Jan 2022 Wei-Yao Wang, Wen-Chih Peng

In recent years, social media has enabled users to get exposed to a myriad of misinformation and disinformation; thus, misinformation has attracted a great deal of attention in research fields and as a social issue.

Fact Verification Misinformation

A Lightweight and Accurate Spatial-Temporal Transformer for Traffic Forecasting

1 code implementation30 Dec 2021 Guanyao Li, Shuhan Zhong, S. -H. Gary Chan, Ruiyuan Li, Chih-Chieh Hung, Wen-Chih Peng

The information fusion module captures the complex spatial-temporal dependency between regions.

ShuttleNet: Position-aware Fusion of Rally Progress and Player Styles for Stroke Forecasting in Badminton

1 code implementation2 Dec 2021 Wei-Yao Wang, Hong-Han Shuai, Kai-Shiang Chang, Wen-Chih Peng

The increasing demand for analyzing the insights in sports has stimulated a line of productive studies from a variety of perspectives, e. g., health state monitoring, outcome prediction.

Decoder Position

Exploring the Long Short-Term Dependencies to Infer Shot Influence in Badminton Matches

2 code implementations14 Sep 2021 Wei-Yao Wang, Teng-Fong Chan, Hui-Kuo Yang, Chih-Chuan Wang, Yao-Chung Fan, Wen-Chih Peng

In this paper, we introduce a badminton language to fully describe the process of the shot and propose a deep learning model composed of a novel short-term extractor and a long-term encoder for capturing a shot-by-shot sequence in a badminton rally by framing the problem as predicting a rally result.

Probabilistic Value Selection for Space Efficient Model

no code implementations9 Jul 2020 Gunarto Sindoro Njoo, Baihua Zheng, Kuo-Wei Hsu, Wen-Chih Peng

Unlike the existing methods such as feature selection that removes features and instance selection that eliminates instances, value selection eliminates the values (with respect to each feature) in the dataset with two purposes: reducing the model size and preserving its accuracy.

feature selection

Attractive or Faithful? Popularity-Reinforced Learning for Inspired Headline Generation

1 code implementation6 Feb 2020 Yun-Zhu Song, Hong-Han Shuai, Sung-Lin Yeh, Yi-Lun Wu, Lun-Wei Ku, Wen-Chih Peng

To generate inspired headlines, we propose a novel framework called POpularity-Reinforced Learning for inspired Headline Generation (PORL-HG).

Headline Generation Reinforcement Learning +2

Sequence-Aware Factorization Machines for Temporal Predictive Analytics

no code implementations7 Nov 2019 Tong Chen, Hongzhi Yin, Quoc Viet Hung Nguyen, Wen-Chih Peng, Xue Li, Xiaofang Zhou

As a widely adopted solution, models based on Factorization Machines (FMs) are capable of modelling high-order interactions among features for effective sparse predictive analytics.

Recommendation Systems

CoachAI: A Project for Microscopic Badminton Match Data Collection and Tactical Analysis

no code implementations12 Jul 2019 Tzu-Han Hsu, Ching-Hsuan Chen, Nyan Ping Ju, Tsì-Uí İk, Wen-Chih Peng, Chih-Chuan Wang, Yu-Shuen Wang, Yuan-Hsiang Lin, Yu-Chee Tseng, Jiun-Long Huang, Yu-Tai Ching

For automatically and systematically competition data collection and tactical analysis, a project called CoachAI has been supported by the Ministry of Science and Technology, Taiwan.

Data Visualization Object Tracking

TrackNet: A Deep Learning Network for Tracking High-speed and Tiny Objects in Sports Applications

3 code implementations8 Jul 2019 Yu-Chuan Huang, I-No Liao, Ching-Hsuan Chen, Tsì-Uí İk, Wen-Chih Peng

The proposed heatmap-based deep learning network is trained to not only recognize the ball image from a single frame but also learn flying patterns from consecutive frames.

Object Tracking Position

On the Feature Discovery for App Usage Prediction in Smartphones

no code implementations26 Sep 2013 Zhung-Xun Liao, Shou-Chung Li, Wen-Chih Peng, Philip S. Yu

By analyzing real App usage log data, we discover two kinds of features: The Explicit Feature (EF) from sensing readings of built-in sensors, and the Implicit Feature (IF) from App usage relations.

feature selection Management

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