Database Lab

• Eunyoung Won, Jaehyuk Cha. (2021). 사운드투벡터와 트랜스포머를 이용한 텍스트 정규화 (Text Normalization using Transformer with Sound2vec). 한국소프트웨어종합학술대회(KSC2021)
• Kwanju Lee, Jaehyuk Cha.(2021). 사람의 이동 궤적과 활동에 대한 개인별 분석을 위한 모티프 추출 및 시각화 (Motif Extraction and Visualization for Personalized Analysis on Human Trajectories with Activities). 한국소프트웨어종합학술대회(KSC2021)

• Jeonghun Lee, Geunseong Jung, Hansung Kim, Jaehyuk Cha. (2019). GPS 데이터를 이용한 머신러닝 기반 버스 정류장 검출 (Machine learning based bus stop detection from raw GPS data).한국소프트웨어종합학술대회(KSC2019)
• Sangjin Lee, Seungsu Baik, Jaehyuk Cha. (2019). Open-Channel SSD 기반 RocksDB 시스템의 SStable 크기 설정 (SSTable Size Setup in RocksDB System based on Open-Channel SSD). 대한전자공학회 2019 하계종합학술대회.
• Minwoo Park, Geunseong Jung, Kwanguk Kim, Hansung Kim, Jaehyuk Cha. (2019). A Framework for Evaluating Performance of Algorithms Extracting the Main Content from a Web Page. 2019 Summer Asia-pacific Academic Exchange (SUMMER-APAE 2019).

• Moon Eun-hwan, Park Min-woo, Jung Geun-sung, Jaehyuk Cha. (2018). 웹 페이지 내용 추출의 평가 프레임워크.(An Evaluation Framework for Extracting Contents from a Web Page). 2018 한국디지털콘텐츠학회 공동학술발표대회
• Jung Geun-sung, Jaehyuk Cha. (2018). 보행자 생활 관찰 연구를 위한 GPS 기반의 모바일 위치 수집 시스템 비교. (AComparison of Mobile GPS Position Trackerfor Pedestrian Monitoring). 2018 한국디지털콘텐츠학회 공동학술발표대회
• Yujeong Cho, Geunseong Jung, Jaehyuk Cha. (2018). Proposal and Evaluation of Webpage Menu Interface for People

with Low Vision. International Journal of Advanced Science and Technology.

• Yeunbae Kim, Jaehyuk Cha. (2018). Artificial Intelligence Technology and Social Problem Solving. General Conference on Emerging Arts of Research on Management and Administration.

• Yoonsuk Kang, Wan D. Bae, Yong-Yeon Jo, Sang-Wook Kim, Jaehyuk Cha. (2017). A Framework for Estimating Execution Times of IO Traces on SSDs. ACM Conference on Information and Knowledge Management.
• Seok-In Ko, Seoung-Su Baik, Jae-Hyuk Cha. (2017). Enhancing the mapping table cache management of FTL using the Linux Page cache. International Conference on Green and Human Information Technology.
• Chan Choi, Seong Soo Oh, Yushim Kim, Jae-Hyuk Cha. (2017). Curation Tool on Interactions between Objects from Article DB. International Conference on Green and Human Information Technology.

• Eunjin Yoo, Jaehyuk Cha. (2016). A Study on Standardizing for Apostille Certification Data Model. International Conference on Convergence Content.
• Jooyeon Heo, Yujeong Cho, Eunjin Yoo, Geunseong Jung, Jaehyuk Cha. (2016). A QTI rendering engine for various markup expressions. International Conference on Convergence Content.
• Dongwook Kim, Youjip Won, Jaehyuk Cha, Sungroh Yoon, Senior Member, IEEE, Jongmoo Choi, and Sooyong Kang, Member, IEEE. (2016). Exploiting Compression-Induced Internal Fragmentation for Power-Off Recovery in SSD. IEEE TRANSACTIONS ON COMPUTERS.

• Geunseong Jung, Xu Jing, Jaehyuk Cha, Sungjae Han. (2015). Enhancing the assessment item rearrangement with

bin packing algorithms. International Conference on Information Science and Security.

• Yoonsuk Kang, Yong-Yeon Jo, Jaehhyuk Cha, Sang-Wook Kim, Young Kyun Shin. (2015). The uFLIP benchmark revisited for evaluating SSDs. INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS.
• SEOKHEI CHO, CHANGHYUN PARK, YOUJIP WON, SOOYONG KANG, JAEHYUK CHA, SUNGROH YOON, JONGMOO CHOI. (2015). Design Tradeoffs of SSDs: From Energy Consumption’s Perspective. ACM TRANSACTIONS ON STORAGE.
• Byongcheol Chang, Lee Jin, Jaehyuk Cha. (2015). Ontology matching performance improvement using DTW. Information.

• IO Workload Characterization Revisited: A Data-Mining Approach. (2014). IEEE TRANSACTIONS ON COMPUTERS.
• HOTDOL: HTML Obfuscation with Text Distribution to Overlapping Layers. (2014). CIT - IEEE Computer and Information Technology.
• Analytical Model of SSD Parallelism. (2014). SIMULTECH - International Conference on Simulation and Modeling Methodologies, Technologies and Applications.
• A Voice-Controlled Web Browser to Navigate Hierarchical Hidden Menus of Web Pages in a Smart-TV Environment. (2014). WWW - World Wide Web Conference Series.
• Integrated write buffer management for solid state drives. (2014). JOURNAL OF SYSTEMS ARCHITECTURE.
• DinsPlayer: A browser extension for e-Learning content rendering. (2014). Information.

• VSSIM: Virtual Machine based SSD Simulator. (2013). IEEE 29th Symposium on Mass Storage Systems and Technologies(MSST 2013).
• Three-Bit Hot/Cold Page Clustering Mechanism for Improving Endurance of Flash Memory. (2013). World Conference on Information Systems and Technologies (WorldCIST'13).
• 소형 블록 DBMS의 데이터/인덱스 페이지 구조 소형화를 통한 NVRAM 성능 개선. (2013). 디지털콘텐츠학회논문지.
• 마모도 평준화를 위한 File Clustering 알고리즘. (2013). 디지털콘텐츠학회논문지.
• A Data Partitioning Approach for Hierarchical Clustering. (2013). International Conference on Ubiquitous Information Management and Communication(IMCOM 2013).

• Mining association rules in non-transactional databases. (2012). INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL.
• Influence of Number of Channels and FTL on SSD Power Consumption. (2012). International Conference of Electrical, Computer, Electronics and Biomedical Engineering (ICECEBE'2012).
• Deduplication in SSDs: Model and quantitative analysis. (2012). Mass Storage Systems and Technologies(MSST), 2012 IEEE 28th Symposium on.
• Concept Based Learning Contents Retrieval by Using Extended Vector Space Model with Ontology. (2012). INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL.

• Identifying the FTL Mapping Schemes of USB Flash Drives. (2011). INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL.
• SSD를 위한 비대칭 버퍼 관리 기법. (2011). 디지털콘텐츠학회논문지.
• Enhancing Buffer Replacement Policy with Write Sequence Reordering for Flash Memory. (2011). INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL.

• 역량 온톨로지 기반 교육 콘텐츠 검색 시스템. (2010). 디지털콘텐츠학회논문지.
• The Improvement of the RS3 System for Drug Substructure Searching. (2010). Proceedings of 2010 IEEE International Conference on Network Infrastructure and Digital Content.
• Relationship between Buffer Replacement Policy and Flash Translation Layer Mapping Algorithm. (2010). INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL.
• dinsEditor: A Browser Extension for QTI-Compliant Assessment Item Authoring. (2010). 2010 IEEE 10th Internation Conference on Advanced Learning Technologies (ICALT).
• Similarity Contents Selection Mechanism for Learner's Device Using Delivery Context Ontology and Rules. (2010). 2010 IEEE 10th Internation Conference on Advanced Learning Technologies (ICALT).
• A Novel Ranking Technique for Opinion Search. (2010). INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL.

• 페이지 삭제정보를 활용하는 플래시 저장장치의 구조. (2009). 정보과학회논문지.
• Identifying the FTL Mapping Schemes of USB Flash Drives. (2009). CTIC 2009.
• Improving Hybrid Flash-Disk Storage through Intelligent Perfetching: A Data Mining Approach. (2009). INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL.
• Analogous Content Selection Mechanism Using Device Profile and Content Profile for U-Learning Environments. (2009). The Ninth IEEE Int`l Conf. on Advanced Learning Technologies.
• Kang, S., Park, S., Jung, H., Shim, H., & Cha, J. (2009). Performance trade-offs in using nvram write buffer for flash memory-based storage devices. Computers, IEEE Transactions on, 58(6), 744-758.