Keun Ho Ryu

Mohamed Ezzeldin A. Bashir, Ho-Sun Shon, Dong Gyu Lee, Hyeongsoo Kim, Keun Ho Ryu: Real-Time Automated Cardiac Health Monitoring by Combination of Active Learning and Adaptive Feature Selection. TIIS 7(1): 99-118 (2013)

Erdenetuya Namsrai, Tsendsuren Munkhdalai, Meijing Li, Jung-Hoon Shin, Oyun-Erdene Namsrai, Keun Ho Ryu: A Feature Selection-based Ensemble Method for Arrhythmia Classification. JIPS 9(1): 31-40 (2013)

Dong Gyu Lee, Kwang Sun Ryu, Mohamed Ezzeldin A. Bashir, Jang-Whan Bae, Keun Ho Ryu: Discovering Medical Knowledge using Association Rule Mining in Young Adults with Acute Myocardial Infarction. J. Medical Systems 37(2) (2013)

Keun Ho Ryu, Dong Gyu Lee, Minghao Piao: Emerging Pattern Based Prediction of Heart Diseases and Powerline Safety. Contrast Data Mining 2013: 329-336

Xiuming Yu, Meijing Li, Taewook Kim, Seon-phil Jeong, Keun Ho Ryu: An Application of Improved Gap-BIDE Algorithm for Discovering Access Patterns. Applied Comp. Int. Soft Computing 2012 (2012)

Yongjun Piao, Minghao Piao, Kiejung Park, Keun Ho Ryu: An ensemble correlation-based gene selection algorithm for cancer classification with gene expression data. Bioinformatics 28(24): 3306-3315 (2012)

Jaehong Hwang, Kwang Woo Nam, Keun Ho Ryu: Designing and implementing a geologic information system using a spatiotemporal ontology model for a geologic map of Korea. Computers & Geosciences 48: 173-186 (2012)

Mohamed Ezzeldin A. Bashir, Kwang Sun Ryu, Unil Yun, Keun Ho Ryu: Pro-Detection of Atrial Fibrillation Using Mixture of Experts. IEICE Transactions 95-D(12): 2982-2990 (2012)

Tsendsuren Munkhdalai, Meijing Li, Unil Yun, Oyun-Erdene Namsrai, Keun Ho Ryu: An Active Co-Training Algorithm for Biomedical Named-Entity Recognition. JIPS 8(4): 575-588 (2012)

Unil Yun, Hyeonil Shin, Keun Ho Ryu, Eunchul Yoon: An efficient mining algorithm for maximal weighted frequent patterns in transactional databases. Knowl.-Based Syst. 33: 53-64 (2012)

Mohamed Ezzeldin A. Bashir, Dong Gyu Lee, Meijing Li, Jang-Whan Bae, Ho-Sun Shon, Myung Chan Cho, Keun Ho Ryu: Trigger Learning and ECG Parameter Customization for Remote Cardiac Clinical Care Information System. IEEE Transactions on Information Technology in Biomedicine 16(4): 561-571 (2012)

Tsendsuren Munkhdalai, Meijing Li, Taewook Kim, Oyun-Erdene Namsrai, Seon-phil Jeong, Jungpil Shin, Keun Ho Ryu: Bio Named Entity Recognition Based on Co-training Algorithm. AINA Workshops 2012: 857-862

Xiuming Yu, Meijing Li, Incheon Paik, Keun Ho Ryu: Prediction of Web User Behavior by Discovering Temporal Relational Rules from Web Log Data. DEXA (2) 2012: 31-38

Eonseok Shin, Tsendsuren Munkhdalai, Meijing Li, Incheon Paik, Keun Ho Ryu: A Self-training with Active Example Selection Criterion for Biomedical Named Entity Recognition. ICHIT (1) 2012: 485-492

Gouchol Pok, Cheng Hao Jin, Oyun-Erdene Namsrai, Keun Ho Ryu: Detection of Correlated Microarray Expressions Using Difference Values. ICHIT (2) 2012: 521-528

Unil Yun, Keun Ho Ryu, Eunchul Yoon: Weighted approximate sequential pattern mining within tolerance factors. Intell. Data Anal. 15(4): 551-569 (2011)

Unil Yun, Keun Ho Ryu: Approximate weighted frequent pattern mining with/without noisy environments. Knowl.-Based Syst. 24(1): 73-82 (2011)

Ho-Sun Shon, Kyung-Sook Yang, Che Woo Yoo, Keun Ho Ryu: Feature selection method using WF-LASSO for gene expression data analysis. BCB 2011: 522-524

Peipei Li, Lyong Heo, Meijing Li, Keun Ho Ryu, Gouchol Pok: Protein function prediction using frequent patterns in protein-protein interaction networks. FSKD 2011: 1616-1620

Cheng Hao Jin, Xun Li, Yang Koo Lee, Gouchol Pok, Keun Ho Ryu: A New Approach for Calculating Similarity of Categorical Data. ICHIT (2) 2011: 584-590

Minghao Piao, Jong Bum Lee, Ho-Sun Shon, Unil Yun, Keun Ho Ryu: Enumeration Tree Based Emerging Patterns Mining by Using Two Different Supports. ICHIT (1) 2011: 708-715

Dong-Hyok Seo, Suk Ho Jung, Soo-Ho Park, Kwang Sun Ryu, Hyeongsoo Kim, Dong Gyu Lee, Keun Ho Ryu: Assessment Building a Method for Risk Model of Mountain Bike Accident Based on Classification Techniques. ICHIT (1) 2011: 716-723

Mohamed Ezzeldin A. Bashir, Kwang Sun Ryu, Soo-Ho Park, Dong Gyu Lee, Jang-Whan Bae, Ho-Sun Shon, Keun Ho Ryu: Superiority Real-Time Cardiac Arrhythmias Detection Using Trigger Learning Method. ITBAM 2011: 53-65

Unil Yun, Keun Ho Ryu: Discovering Important Sequential Patterns with Length-Decreasing Weighted Support Constraints. International Journal of Information Technology and Decision Making 9(4): 575-599 (2010)

Anour F. A. Dafa-Alla, Ho-Sun Shon, Khalid E. K. Saeed, Minghao Piao, Unil Yun, Kyung-Joo Cheoi, Keun Ho Ryu: IMTAR: Incremental Mining of General Temporal Association Rules. JIPS 6(2): 163-176 (2010)

Jeong Hee Hwang, Keun Ho Ryu: A weighted common structure based clustering technique for XML documents. Journal of Systems and Software 83(7): 1267-1274 (2010)

Young Jin Jung, Keun Ho Ryu, Moon Sun Shin, Silvia Nittel: Historical index structure for reducing insertion and search cost in LBS. Journal of Systems and Software 83(8): 1500-1511 (2010)

Vu Thi Hong Nhan, Namkyu Park, Yang Koo Lee, Yongmi Lee, Jong Yun Lee, Keun Ho Ryu: Online discovery of Heart Rate Variability patterns in mobile healthcare services. Journal of Systems and Software 83(10): 1930-1940 (2010)

Cheng Hao Jin, Gouchol Pok, Hi-Seok Kim, Eun Jong Cha, Keun Ho Ryu: Classification of Closed Frequent Patterns Improved by Feature Space Transformation. CIT 2010: 1306-1311

Jong Bum Lee, Minghao Piao, Keun Ho Ryu: Incremental Emerging Patterns Mining for Identifying Safe and Non-safe Power Load Lines. CIT 2010: 1424-1429

Ho-Sun Shon, Keun Ho Ryu, Kyung-Sook Yang: Feature Selection of Gene Expression Data Using Regression Model. CIT 2010: 1442-1447

Minghao Piao, Meijing Li, Keun Ho Ryu: Using Significant Classification Rules to Analyze Korean Customers' Power Consumption Behavior: Incremental Tree Induction using Cascading-and-Sharing Method. CIT 2010: 1649-1653

Mi Sug Gu, Jeong Hee Hwang, Keun Ho Ryu: Weigted-FP-Tree Based XML Query Pattern Mining. ADMA (1) 2010: 417-428

Mohamed Ezzeldin A. Bashir, Makki Akasha, Dong Gyu Lee, GyeongMin Yi, Keun Ho Ryu, Eun Jong Cha, Jang-Whan Bae, Myeong-Chan Cho, Chae Woo Yoo: Nested Ensemble Technique for Excellence Real Time Cardiac Health Monitoring. BIOCOMP 2010: 519-525

Tie Hua Zhou, Ling Wang, Ho-Sun Shon, Yang Koo Lee, Keun Ho Ryu: Correlated Multi-label Refinement for Semantic Noise Removal. ICIC (2) 2010: 309-316

Ling Wang, Tie Hua Zhou, Ho-Sun Shon, Yang Koo Lee, Keun Ho Ryu: Extract and Maintain the Most Helpful Wavelet Coefficients for Continuous K-Nearest Neighbor Queries in Stream Processing. ICIC (3) 2010: 358-363

Mohamed Ezzeldin A. Bashir, Dong Gyu Lee, Makki Akasha, GyeongMin Yi, Eun Jong Cha, Jang-Whan Bae, Myeong-Chan Cho, Keun Ho Ryu: Highlighting the Current Issues with Pride Suggestions for Improving the Performance of Real Time Cardiac Health Monitoring. ITBAM 2010: 226-233

Vu Thi Hong Nhan, Keun Ho Ryu, Namkyu Park: A method for predicting future location of mobile user for location-based services system. Computers & Industrial Engineering 57(1): 91-105 (2009)

Sun Young Lee, Jong Yun Lee, Kwang Su Jung, Keun Ho Ryu: A 9-state hidden Markov model using protein secondary structure information for protein fold recognition. Comp. in Bio. and Med. 39(6): 527-534 (2009)

Sang-Hyuk Lee, Keun Ho Ryu, Gyoyong Sohn: Study on Entropy and Similarity Measure for Fuzzy Set. IEICE Transactions 92-D(9): 1783-1786 (2009)

Sungbo Seo, Jaewoo Kang, Keun Ho Ryu: Multivariable stream data classification using motifs and their temporal relations. Inf. Sci. 179(20): 3489-3504 (2009)

Heon Gyu Lee, Wuon-Shik Kim, Kiyong Noh, Jin-Ho Shin, Unil Yun, Keun Ho Ryu: Coronary artery disease prediction method using linear and nonlinear feature of heart rate variability in three recumbent postures. Information Systems Frontiers 11(4): 419-431 (2009)

Yong Joon Lee, Jun Wook Lee, Duckjin Chai, Buhyun Hwang, Keun Ho Ryu: Mining temporal interval relational rules from temporal data. Journal of Systems and Software 82(1): 155-167 (2009)

Minghao Piao, Jong Bum Lee, Khalid E. K. Saeed, Keun Ho Ryu: Discovery of Significant Classification Rules from Incrementally Inducted Decision Tree Ensemble for Diagnosis of Disease. ADMA 2009: 587-594

Kwang Su Jung, Nam Hee Yu, Sang Yeob Kim, Wun-Jae Kim, Yong Je Chung, Keun Ho Ryu: Analyzing Flexibilities of Lysozyme Mutations for Protein Surface Comparison with Structure Factor and Phase Angle. BIOCOMP 2009: 57-62

Nam Hee Yu, Kwang Su Jung, Yong Je Chung, Hi-Seok Kim, Keun Ho Ryu: A Protein Sub-structure Comparison Method using Distance Matrix. BIOCOMP 2009: 69-74

Ho-Sun Shon, Gyoyong Sohn, Kwang Su Jung, Sang Yeob Kim, Eun Jong Cha, Keun Ho Ryu: Gene Expression Data Classification using Discrete Wavelet Transform. BIOCOMP 2009: 204-208

Ibrahim Musa, GyeongMin Yi, Dong Gyu Lee, Myeong-Chan Cho, Jang-Whan Bae, Keun Ho Ryu: Novel Online Multi-Divisive Hierarchical Clustering for On-body Sensor Data. BIOCOMP 2009: 716-720

Jin Hyoung Park, Heon Gyu Lee, Gyoyong Sohn, Jin-Ho Shin, Keun Ho Ryu: Emerging Pattern Based Classification for Automated Non-safe Power Line Detection. FSKD (1) 2009: 169-173

Minghao Piao, Heon Gyu Lee, Gyoyong Sohn, Gouchol Pok, Keun Ho Ryu: Emerging Patterns Based Methodology for Prediction of Patients with Myocardial Ischemia. FSKD (1) 2009: 174-178

Khalid E. K. Saeed, Heon Gyu Lee, Wun-Jae Kim, Eun Jong Cha, Keun Ho Ryu: Using Emerging Subsequence in Classifying Protein Structural Class. FSKD (1) 2009: 349-353

Anour F. A. Dafa-Alla, Gyoyong Sohn, Keun Ho Ryu: Employing PRBAC for privacy preserving data publishing. Int. Conf. Interaction Sciences 2009: 1416-1421

Cheng Hao Jin, Yongmi Lee, Gyoyong Sohn, Hi-Seok Kim, Keun Ho Ryu: Design of Context Analysis System on USN Environment. ITNG 2009: 1061-1066

Heon Gyu Lee, Bum Ju Lee, Jin-Ho Shin, Long Jin, Cheng Hao Jin, Keun Ho Ryu: Application of calendar-based temporal classification to forecast customer load patterns from load demand data. CIT 2008: 149-154

Kwang Su Jung, Nam Hee Yu, Seung-Jung Shin, Keun Ho Ryu: A compressing method for genome sequence cluster using sequence alignment. CIT 2008: 520-525

Kwang Su Jung, Ki Jin Yu, Yong Je Chung, Keun Ho Ryu: Investigating the binding area of protein surface using MCL algorithm. CIT 2008: 532-537

Yang Koo Lee, Ling Wang, Young Jin Jung, Hi-Seok Kim, Keun Ho Ryu: Time-based insertion methods for monitoring sensor data. CIT 2008: 833-838

Ling Wang, Yang Koo Lee, Keun Ho Ryu: Supporting Top-K Aggregate Queries over Unequal Synopsis on Internet Traffic Streams. APWeb 2008: 590-600

Oyun-Erdene Namsrai, Garmaa Dangaasuren, Keun Ho Ryu: A new algorithm for RNA secondary structure prediction and fast method for prediction of simple H-type pseudoknots. BIOCOMP 2008: 639-645

Gouchol Pok, Cheng Hao Jin, Keun Ho Ryu: Correlation of Amino Acid Physicochemical Properties with Protein Secondary Structure Conformation. BMEI (1) 2008: 117-121

Bum Ju Lee, Keun Ho Ryu: Feature Extraction from Protein Sequences and Classification of Enzyme Function. BMEI (1) 2008: 138-142

Heon Gyu Lee, Kiyong Noh, Keun Ho Ryu: A Data Mining Approach for Coronary Heart Disease Prediction using HRV Features and Carotid Arterial Wall Thickness. BMEI (1) 2008: 200-206

Jae-Jin Kim, Hyeon-Mi Yang, Keun Ho Ryu, Hi-Seok Kim: FPGA Low Power Technology Mapping for Reuse Module Design under the Time Constraint. FGCN (2) 2008: 57-61

Bum Ju Lee, Heon Gyu Lee, Moon Sun Shin, Keun Ho Ryu: Classification of Ligase Function Based on Multi-parametric Feature Extracted from Protein Sequence. ICCSA (2) 2008: 1096-1106

Minghao Piao, Heon Gyu Lee, Jin Hyoung Park, Keun Ho Ryu: Application of Classification Methods for Forecasting Mid-Term Power Load Patterns. ICIC (3) 2008: 47-54

Ling Wang, Yang Koo Lee, Keun Ho Ryu: Higher-Accuracy for Identifying Frequent Items over Real-Time Packet Streams. ICIC (3) 2008: 61-68

Tie Hua Zhou, Byeong Mun Heo, Ling Wang, Yang Koo Lee, Duckjin Chai, Keun Ho Ryu: A Prototype of Multimedia Metadata Management System for Supporting the Integration of Heterogeneous Sources. ICIC (1) 2008: 1095-1102

Young Jin Jung, Yang Koo Lee, Dong Gyu Lee, Keun Ho Ryu, Silvia Nittel: Air Pollution Monitoring System based on Geosensor Network. IGARSS (3) 2008: 1370-1373

Gouchol Pok, Keun Ho Ryu: Co-Occurring Patterns of Amino Acid Physicochemical Properties in Proteins. WAIM 2008: 421-428

Heon Gyu Lee, Kiyong Noh, Hong Kyu Park, Keun Ho Ryu: Predicting Coronary Artery Disease from Heart Rate Variability Using Classification and Statistical Analysis. CIT 2007: 59-64

Yang Koo Lee, Ling Wang, Keun Ho Ryu: A System Architecture for Monitoring Sensor Data Stream. CIT 2007: 1026-1031

Oyun-Erdene Namsrai, Keun Ho Ryu: Characterizing Pseudobase and Predicting RNA Secondary Structure with Simple H-Type Pseudoknots Based on Dynamic Programming. ADMA 2007: 578-585

Ho-Sun Shon, Keun Ho Ryu: Predicting Cancer from Microarray Data Using Statistical Method. ALPIT 2007: 474-479

Long Jin, Duckjin Chai, Yang Koo Lee, Keun Ho Ryu: Mining Frequent Itemsets over Data Streams with Multiple Time-Sensitive Sliding Windows. ALPIT 2007: 486-491

Sung-Hee Park, David Gilbert, Keun Ho Ryu: Fast Structural Similarity Search Based on Topology String Matching. APBC 2007: 341-351

Long Jin, Duckjin Chai, Jun Wook Lee, Keun Ho Ryu: Mining Recent Frequent Itemsets over Data Streams with a Time-Sensitive Sliding Window. APWeb/WAIM Workshops 2007: 62-73

Yang Koo Lee, Young Jin Jung, Keun Ho Ryu: Design and Implementation of a System for Environmental Monitoring Sensor Network. APWeb/WAIM Workshops 2007: 223-228

Bum Ju Lee, Heon Gyu Lee, Jong Yun Lee, Keun Ho Ryu: Classification of Enzyme Function from Protein Sequence based on Feature Representation. BIBE 2007: 741-747

Oyun-Erdene Namsrai, Kwang Su Jung, Sunshin Kim, Keun Ho Ryu: Characterizing Pseudobase and Predicting RNA Secondary Structure with Simple H-Type Pseudoknots Based on Energy Model. BIOCOMP 2007: 407-410

Duckjin Chai, Long Jin, Buhyun Hwang, Keun Ho Ryu: Frequent Pattern Mining using Bipartite Graph. DEXA Workshops 2007: 182-186

Mi Sug Gu, Jeong Hee Hwang, Keun Ho Ryu: Frequent XML Query Pattern Mining based on FP-TRee. DEXA Workshops 2007: 555-559

Bum Ju Lee, Heon Gyu Lee, Dae-sung Kim, Keun Ho Ryu: Feature Extraction in Spatially-Conserved Regions and Protein Functional Classification. FBIT 2007: 165-170

Duckjin Chai, Buhyun Hwang, Eun Hee Kim, Long Jin, Keun Ho Ryu: Prediction of Frequent Items to One Dimensional Stream Data. ICCSA Workshops 2007: 353-361

Heon Gyu Lee, Kiyong Noh, Keun Ho Ryu: Mining Biosignal Data: Coronary Artery Disease Diagnosis Using Linear and Nonlinear Features of HRV. PAKDD Workshops 2007: 218-228

Gouchol Pok, Keun Ho Ryu, Yong Je Chung: Improved Prediction of Protein Secondary Structures Using Adaptively Weighted Profiles. APWeb/WAIM 2007: 83-94

Hoang Do Thanh Tung, Keun Ho Ryu: One Update for all Moving Objects at a Timestamp. CIT 2006: 6

Heon Gyu Lee, Kiyong Noh, Bum Ju Lee, Ho-Sun Shon, Keun Ho Ryu: Cardiovascular Disease Diagnosis Method by Emerging Patterns. ADMA 2006: 819-826

Vu Thi Hong Nhan, Jeong Hee Chi, Keun Ho Ryu: Discovery of Spatiotemporal Patterns in Mobile Environment. APWeb 2006: 949-954

Young Jin Jung, Keun Ho Ryu: The Vehicle Tracking System for Analyzing Transportation Vehicle Information. APWeb Workshops 2006: 1012-1020

Sunshin Kim, Chung Rhee, Jungdo Choi, Yong Je Chung, Keun Ho Ryu: A New Algorithm to Predict the Active Sites Using Amino Acid Vectors and Biochemical features of Surface Patches. BIOCOMP 2006: 367-372

Sungbo Seo, Jaewoo Kang, Dongwon Lee, Keun Ho Ryu: Multivariate Stream Data Classification Using Simple Text Classifiers. DEXA 2006: 420-429

Hoang Do Thanh Tung, Keun Ho Ryu: A ONCE-Updating Approach on Moving Objects. ER (Workshops) 2006: 140-149

Oyun-Erdene Namsrai, Kwang Su Jung, Sunshin Kim, Keun Ho Ryu: RNA Secondary Structure Prediction with Simple Pseudoknots Based on Dynamic Programming. ICIC (3) 2006: 303-311

Kwang Su Jung, Sunshin Kim, Keun Ho Ryu: A Personalized Biological Data Management System Based on BSML. ICIC (3) 2006: 362-371

Mi Sug Gu, Jeong Hee Hwang, Keun Ho Ryu: Design and Implement of Customer Information Retrieval System Based on Semantic Web. ICIC (2) 2006: 367-378

Myung-Jin Lee, Eun Hee Kim, Keun Ho Ryu: A Design of Dynamic Network Management System. IDEAL 2006: 928-935

Sunshin Kim, Kwang Su Jung, Keun Ho Ryu: Automatic Orthologous-Protein-Clustering from Multiple Complete-Genomes by the Best Reciprocal BLAST Hits. BioDM 2006: 60-70

Long Jin, Yongmi Lee, Sungbo Seo, Keun Ho Ryu: Discovery of Temporal Frequent Patterns Using TFP-Tree. WAIM 2006: 349-361

Sung-Hee Park, Keun Ho Ryu, David Gilbert: Fast similarity search for protein 3d structures using topological pattern matching based on spatial relations. Int. J. Neural Syst. 15(4): 287-296 (2005)

Anour F. A. Dafa-Alla, Eun Hee Kim, Keun Ho Ryu, Yong Jun Heo: PRBAC: An Extended Role Based Access Control for Privacy Preserving Data Mining. ACIS-ICIS 2005: 68-73

Jeong Hee Hwang, Keun Ho Ryu: A New Sequential Mining Approach to XML Document Clustering*. APWeb 2005: 266-276

Jeong Hee Chi, Sang Ho Kim, Keun Ho Ryu: Spatial Selectivity Estimation Using Compressed Histogram Information. APWeb 2005: 489-494

Vu Thi Hong Nhan, Sang Ho Kim, Keun Ho Ryu: Representation and Manipulation of Geospatial Objects with Indeterminate Extents. APWeb 2005: 495-500

Chuyu Li, Long Jin, Sungbo Seo, Keun Ho Ryu: An Efficient Range Query Under the Time Warping Distance. CIS (1) 2005: 721-728

Jeong Hee Hwang, Van Trang Nguyen, Keun Ho Ryu: A New Indexing Structure to Speed Up Processing XPath Queries. DASFAA 2005: 900-906

Gouchol Pok, Keun Ho Ryu, Jyh-charn Lyu: Rotation and Gray-Scale Invariant Classification of Textures Improved by Spatial Distribution of Features. DEXA 2005: 250-259

Sungbo Seo, Jaewoo Kang, Keun Ho Ryu: Multivariate Stream Data Reduction in Sensor Network Applications. EUC Workshops 2005: 198-207

Jeong Hee Hwang, Keun Ho Ryu: Clustering and Retrieval of XML Documents by Structure. ICCSA (2) 2005: 925-935

Jeong Hee Hwang, Mi Sug Gu, Keun Ho Ryu: Context-Based Recommendation Service in Ubiquitous Commerce. ICCSA (2) 2005: 966-976

Jeong Hee Chi, Sang Ho Kim, Keun Ho Ryu: A New Continuous Nearest Neighbor Technique for Query Processing on Mobile Environments. ICCSA (2) 2005: 977-987

Eung-Jae Lee, Keun Ho Ryu: Design of Vehicle Information Management System for Effective Retrieving of Vehicle Location. ICCSA (2) 2005: 998-1007

Young Jin Jung, Keun Ho Ryu: A Group Based Insert Manner for Storing Enormous Data Rapidly in Intelligent Transportation System. ICIC (2) 2005: 296-305

Mi Sug Gu, Jeong Hee Hwang, Keun Ho Ryu: Designing the Ontology of XML Documents Semi-automatically. ICIC (1) 2005: 818-827

Jeong Hee Hwang, Myung-Jin Lee, Oh-Cheon Kwon, Keun Ho Ryu: Context-based Preference Analysis Method in Ubiquitous Commerce. UDM 2005: 25-32

Jun Wook Lee, Ok Hyun Paek, Keun Ho Ryu: Temporal moving pattern mining for location-based service. Journal of Systems and Software 73(3): 481-490 (2004)

Sungbo Seo, Long Jin, Jun Wook Lee, Keun Ho Ryu: Similarity Pattern Discovery Using Calendar Concept Hierarchy in Time Series Data. APWeb 2004: 565-571

Eung-Jae Lee, Keun Ho Ryu, Kwang Woo Nam: Indexing for Efficient Managing Current and Past Trajectory of Moving Object. APWeb 2004: 782-787

Eung-Jae Lee, Young Jin Jung, Keun Ho Ryu: A Moving Point Indexing Using Projection Operation for Location Based Services. DASFAA 2004: 775-786

Sung-Hee Park, Keun Ho Ryu: Effective Filtering for Structural Similarity Search in Protein 3D Structure Databases. DEXA 2004: 761-770

Sung-Hee Park, Keun Ho Ryu: Fast Similarity Search for Protein 3D Structure Databases Using Spatial Topological Patterns. DEXA 2004: 771-780

Hoang Do Thanh Tung, Young Jin Jung, Eung-Jae Lee, Keun Ho Ryu: Moving Point Indexing for Future Location Query. ER (Workshops) 2004: 79-90

Jeong Hee Hwang, Keun Ho Ryu: A New XML Clustering for Structural Retrieval. ER 2004: 377-387

Moon Sun Shin, Eun Hee Kim, Keun Ho Ryu: False Alarm Classification Model for Network-Based Intrusion Detection System. IDEAL 2004: 259-265

Sung-Hee Park, Keun Ho Ryu: Fast Filtering of Structural Similarity Search Using Discovery of Topological Patterns. IDEAL 2004: 396-401

Hyunyoon Yun, Danshim Ha, Buhyun Hwang, Keun Ho Ryu: Mining association rules on significant rare data using relative support. Journal of Systems and Software 67(3): 181-191 (2003)

Moon Sun Shin, Hosung Moon, Keun Ho Ryu, Kiyoung Kim, Jinoh Kim: Applying Data Mining Techniques to Analyze Alert Data. APWeb 2003: 193-200

Jong Gyu Han, Keun Ho Ryu, Kwang Hoon Chi, Yeon Kwang Yeon: Statistics Based Predictive Geo-spatial Data Mining: Forest Fire Hazardous Area Mapping Application. APWeb 2003: 370-381

Kyeong Ja Jeong, Moon Sun Shin, Hosung Moon, Keun Ho Ryu, Kiyoung Kim: Alert Analysis Using Data Mining for Security Policy Server in Policy Based Network Security Management. Security and Management 2003: 219-225

Sung-Hee Park, Keun Ho Ryu, Hyeon S. Son: A Protein Structural Information Management Based on Spatial Database and an Active Trigger Rule. DEXA 2003: 413-422

Yoon Ae Ahn, Jeong Seok Park, Keun Ho Ryu: Moving Object Inference Engine and Applying to Battlefield. IC-AI 2003: 575-581

In Bae Oh, Yoon Ae Ahn, Keun Ho Ryu: Past Location Estimation of Mobile Objects. IC-AI 2003: 608-614

Gouchol Pok, Jyh-Charn Liu, Keun Ho Ryu: New shape-based texture descriptors for rotation invariant texture classification. ICIP (3) 2003: 533-536

Sung-Hee Park, Keun Ho Ryu, Hyeon S. Son: Protein Structure Modeling Using a Spatial Model for Structure Comparison. IDEAL 2003: 490-497

Kyong Do Moon, Jeong Seok Park, Ye Ho Shin, Keun Ho Ryu: Incremental Condition Evaluation for Active Temporal Rules. IDEAL 2003: 816-820

Myung-Jin Lee, Moon Sun Shin, Hosung Moon, Keun Ho Ryu, Kiyoung Kim: Design and Implementation of Alert Analyzer with Data Mining Engine. IDEAL 2003: 1107-1112

Jin Suk Kim, Hohn Gyu Lee, Sungbo Seo, Keun Ho Ryu: CTAR: Classification Based on Temporal Class-Association Rules for Intrusion Detection. WISA 2003: 84-96

Dong Ho Kim, Keun Ho Ryu, Chee Hang Park: Design and implementation of spatiotemporal database query processing system. Journal of Systems and Software 60(1): 37-49 (2002)

Jae Du Chung, Oh Hyun Paek, Jun Wook Lee, Keun Ho Ryu: Temporal Pattern Mining of Moving Objects for Location-Based Service. DEXA 2002: 331-340

Jun Wook Lee, Yong Joon Lee, Hey Kyu Kim, Bu Hun Hwang, Keun Ho Ryu: Discovering Temporal Relation Rules Mining from Interval Data. EurAsia-ICT 2002: 57-66

Jong Gyu Han, Keun Ho Ryu, Yeon Kwang Yeon, Kwang Hoon Chi: Land Surface Classification with Airborne Multi-spectral scanner Image Using a Neuro-Fuzzy Model. IC-AI 2002: 678-683

Dong Ho Kim, Keun Ho Ryu, Young So Cho: A new routing control technique using active temporal data management. Journal of Systems and Software 51(1): 37-48 (2000)

Dong Ho Kim, Keun Ho Ryu, Hong Soo Kim: A spatiotemporal database model and query language. Journal of Systems and Software 55(2): 129-149 (2000)

Jong Yun Lee, Kwang Jin Oh, Keun Ho Ryu: Integration with Spatiotemporal Relationship Operators in SQL. ACM-GIS 1998: 165-167