컴퓨터과학전공

학위

• 박사, Arizona State Univ. Computer Science (세부전공 : 데이터베이스), 200912
• 석사, 한국과학기술원 전산학과 (세부전공 : 데이터베이스시스템), 200208
• 학사, 고려대학교 전산학과 (세부전공 : 전산학과), 200008

경력

• 국제학술지 편집위원, BMC Medical Informatics and Decision Making (Springer Nature, SCIE), (2025.05~ )
• 소프트웨어 엔지니어, Teradata, (2010.09~2013.08)
• 연구원, Technicolor, (2009.10~2010.08)

논문

• PROGRAM: Programmatic Retrieval Optimization with Generative Reasoning and Augmented Multi-queries, ACL 2026 (정보과학회 우수학술대회), 202607
• Enhancing differentially private distributed k-means clustering through data-driven sensitivity calibration and optimized dropout handling, INFORMATION SCIENCES, 202603
• Privacy-preserving trajectory data publication: A distributed approach without trusted servers, JOURNAL OF NETWORK AND COMPUTER APPLICATIONS, 202601
• Sheaf Graph Neural Networks via PAC-Bayes Spectral Optimization, AAAI 2026 (BK CS 우수국제학술대회 인정IF: 4) , 202601
• UniRAG: A Unified RAG Framework for Knowledge-Intensive Queries with Decomposition, Break-Down Reasoning, and Iterative Rewriting, EMNLP 2025 (정보과학회 우수학술대회), 202511
• Accurate total consumer price index forecasting with data augmentation, multivariate features, and sentiment analysis: A case study in Korea, PLOS ONE, 202505
• Privacy-preserving generation and publication of synthetic trajectory microdata: A comprehensive survey, JOURNAL OF NETWORK AND COMPUTER APPLICATIONS, 202410
• Comparative effectiveness of explainable machine learning approaches for extrauterine growth restriction classification in preterm infants using longitudinal data, FRONTIERS IN MEDICINE, 202311
• Long-Term Influenza Outbreak Forecast Using Time-Precedence Correlation of Web Data, IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 202305
• Survey of Landmark-based Indoor Positioning Technologies, INFORMATION FUSION, 202301
• Effectively computing transition patterns with privacy-preserved trajectory datasets, PLOS ONE, 202212
• Deep learning-based privacy-preserving framework for synthetic trajectory generation, JOURNAL OF NETWORK AND COMPUTER APPLICATIONS, 202210
• A Multi-Headed Transformer Approach for Predicting the Patient's Clinical Time-Series Variables From Charted Vital Signs, IEEE ACCESS, 202210
• Deep similarity analysis and forecasting of actual outbreak of major infectious diseases using Internet-Sourced data, JOURNAL OF BIOMEDICAL INFORMATICS, 202209
• Privacy-preserving mechanisms for location privacy in mobile crowdsensing: A survey, JOURNAL OF NETWORK AND COMPUTER APPLICATIONS, 202204
• A Survey Of differential privacy-based techniques and their applicability to location-Based services, COMPUTERS SECURITY, 202112
• Reliability check via weight similarity in privacy-preserving multi-party machine learning, INFORMATION SCIENCES, 202110
• Successive Point-of-Interest Recommendation With Local Differential Privacy, IEEE ACCESS, 202109
• A deep attention model to forecast the Length Of Stay and the in-hospital mortality right on admission from ICD codes and demographic data, JOURNAL OF BIOMEDICAL INFORMATICS, 202106
• CESCR: CP-ABE for efficient and secure sharing of data in collaborative ehealth with revocation and no dummy attribute, PLOS ONE, 202105
• Effective Training Data Extraction Method to Improve Influenza Outbreak Prediction from Online News Articles: Deep Learning Model Study, JMIR Medical Informatics, 202105
• Collaborative Ehealth Privacy and Security: An Access Control With Attribute Revocation Based on OBDD Access Structure, IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS, 202010
• Efficient and Expressive Access Control with Revocation for Privacy of PHR based on OBDD Access Structure, IEEE ACCESS, 202001
• Q-learning Algorithms: A Comprehensive Classification and Applications, IEEE ACCESS, 201909
• Collecting Health Lifelog Data From Smartwatch Users in a Privacy-Preserving Manner, IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, 201908
• MPPDS: Multilevel Privacy-Preserving Data Sharing in a Collaborative eHealth System, IEEE ACCESS, 201908
• Word2vec convolutional neural networks for classification of news articles and tweets, PLOS ONE, 201908
• Workload-Aware Indoor Positioning Data Collection via Local Differential Privacy, IEEE COMMUNICATIONS LETTERS, 201908
• Deep Learning for Electronic Health Records Analytics, IEEE ACCESS, 201907
• PEACOCK: A Map-Based Multitype Infectious Disease Outbreak Information System, IEEE ACCESS, 201906
• Privacy Provision in Collaborative eHealth with Attribute-Based Encryption: A Survey, Challenges and Future Directions, IEEE ACCESS, 201906
• Health Big Data Analytics: A Technology Survey, IEEE ACCESS, 201811
• Privacy-preserving aggregation of personal health data streams, PLOS ONE, 201811
• Privacy-Preserving Top-k Route Computation in Indoor Environments, IEEE ACCESS, 201810
• DiTeX: Disease-related topic extraction system through internet-based sources, PLOS ONE, 201808
• DOVE: An Infectious Disease Outbreak Statistics Visualization System, IEEE ACCESS, 201808
• Application of Local Differential Privacy to Collection of Indoor Positioning Data, IEEE ACCESS, 201802
• CATS: cache-aware task scheduling for Hadoop-based systems, CLUSTER COMPUTING-THE JOURNAL OF NETWORKS SOFTWARE TOOLS AND APPLICATIONS, 201712
• Utility-preserving anonymization for health data publishing, BMC MEDICAL INFORMATICS AND DECISION MAKING, 201707
• RanKloud: Scalable Multimedia Data Processing in Server Clusters, IEEE MULTIMEDIA, 2011
• Organization and Tagging of Blog and News Entries Based on Content Reuse, JOURNAL OF SIGNAL PROCESSING SYSTEMS FOR SIGNAL IMAGE AND VIDEO TECHNOLOGY, 201003
• SEA: Segment-Enrich-Annotate Paradigm for Adapting Dialog-Based Content for Improved Accessibility, ACM TRANSACTIONS ON INFORMATION SYSTEMS, 2009
• Discovering mappings in hierarchical data from multiple sources using the inherent structure, KNOWLEDGE AND INFORMATION SYSTEMS, 200608

저역서

• 데이터베이스 시스템, McGraw Hill, 20210805

학술발표

• Infectious Disease Infection Index Information System, IEEE ICCE, 20190113
• Privacy-Preserving Data Collection Scheme on Smartwatch Platform, IEEE ICCE , 20190111
• Efficient Wikipedia-Based Semantic Interpreter by Exploiting Top-k Processing, ACM CIKM, 20101026
• Skip-and-Prune: Cosine-based Top-K Query Processing for Efficient Context-Sensitive Document Retrieval, ACM SIGMOD, 20090629
• PICC Counting: Who Needs Joins when you Can Propagate Efficiently, SIAM SDM, 20090430
• Efficient Overlap and Content Reuse Detection in Blogs and Online News Articles, WWW, 20090420
• CDIP: Collection-Driven, yet Individuality-Preserving, IEEE ICSC, 20070917
• Concept Similarity Mining without Frequency Information from Domain Describing Taxonomies, ACM CIKM, 20061106
• Topic Segmentation of Message Hierarchies for Indexing and Navigation Support, WWW, 20050510

수상

• 우수논문상, 한국멀티미디어학회, 201705
• 우수논문상, 한국멀티미디어학회, 201610
• 우수논문상, 한국디지털콘텐츠학회, 201511

프로젝트

• 한국연구재단 (핵심연구, 책임), 프라이버시 보존형 연합 RAG 프레임워크 기술 개발, (2026.03~2030.02)
• 데이터바우처 지원사업 (책임), 기술 이전 공급 기술 발굴을 위한 산업 분류를 활용한 특허 정보 자동 분류 시스템, (2023.06~2023.11)
• 한국연구재단 (중견연구, 책임), 인공지능 학습 데이터를 위한 프라이버시 보존 데이터 수집/생성 기법 개발, (2023.03~2026.02)
• 정보통신기획평가원 (참여), 디지털 워크 지원을 위한 통합 비즈니스 플랫폼 기술, (2021.04~2024.12)
• 한국연구재단 (기본연구, 책임), 지역 차분 프라이버시 기반 안전한 IoT 데이터 수집·공유 기술 개발: 건강 데이터 중심으로, (2020.06~2023.02)
• 정보통신기획평가원 (세부책임), 개인정보를 안전하고 편리하게 빅데이터 처리할 수 있는 방법, (2018.04~2020.12)
• 정보통신기획평가원 (참여), FPMV 무선 전송 시스템, (2017.06~2020.12)
• 한국연구재단 (기본연구, 책임), 최적 데이터 분석을 지원하는 차분 프라이버시 기반 빅데이터 공유 플랫폼 개발, (2017.06~2020.05)
• 정보통신기획평가원 (참여), N차원 바코드 응용을 위한 인티그래피 콘텐츠 제작기술 개발, (2017.04~2022.12)
• 한국연구재단 (신진연구, 책임), BEMS 빅데이터 분석을 통한 건물 에너지 사용패턴 이상 현상 감지 및 진단 기술 개발, (2015.11~2017.10)