International Journals



[81] H.M. Park, F. Silvestri, R. Pagh, C.W. Chung, S.H. MYAENG, U. KANG, "Enumerating Trillion Subgraphs On Distributed Systems" to appear in ACM Transactions on Knowledge Discovery from Data.

[80] J.H. Park, and C.W. Chung, "An Efficient Method for the Reverse Top k Search" Information Sciences, Vol. 457–458, Aug 2018, pp. 76-98.

[79] D.W.Choi, and C.W. Chung, "A K-Partitioning Algorithm for Clustering Large-Scale Spatio-Textual Data," Information Systems, Vol. 64, Mar 2017, pp. 1-11.

[78] M.J. Lee, D.W. Choi, S. Kim, H.M. Park, S. Choi, C.W. Chung, "The Direction-Constrained k Nearest Neighbor Query : Dealing With Spatio-Directional Objects," Geoinformatica, Vol.20(3), July 2016, pp. 471-502.

[77] H. Yang, C.W. Chung, M.H. Kim, "An Efficient Top-k Query Processing Framework in Mobile Sensor Networks," Data & Knowledge Engineering, Vol. 102, Mar 2016, pp. 78-95.

[76] M.J. Lee, S. Choi, C.W. Chung, "Efficient Algorithms for Updating Betweenness Centrality in Fully Dynamic Graphs," Information Sciences, Vol. 326, Jan 2016, pp. 278-296.

[75] J.H. Park, C.W. Chung, U Kang, "Reverse Nearest Neighbor Search with a Non-spatial Aspect," Information Systems, Vol. 54, Dec 2015, pp. 92-112.

[74] S.Y. Kim, D.W. Choi, and C.W. Chung, "Finding a Friendly-Community in Social Networks Considering Bad Relationships," The Computer Journal, Vol. 58, No. 6, June 2015, pp. 1469-1481.

[73] Ryan H. Choi and C.W. Chung, "Efficient Processing of Graph Similarity Search," World Wide Web Journal, Vol. 18, Issue 3, May 2015, pp. 633-659.

[72] J.R. Lee and C.W. Chung, "A Query Approach for Influence Maximization on Specific Users in Social Networks," IEEE Transactions on Knowledge and Data Engineering, Vol. 27, Feb 2015, pp. 340-353.

[71] Y.K. Kim, H. Yang and C.W. Chung, "SEDRIS Transmittal Storing and Retrieval System using Relational Databases," The Journal of Database Management, Vol. 25, Issue 4, 2014, pp. 38-65.

[70] X. Hu, Y. Tao, and C.W. Chung, "I/O-Efficient Algorithms on Triangle Listing and Counting," ACM Transactions on Database Systems, Vol. 39, Issue 4, No. 27, Dec 2014, pp. 1-30.

[69] C.H. Lee and C.W. Chung, "Efficient Search in Graph Databases using Cross Filtering," Information Sciences, Vol. 286, Dec 2014, pp. 1-18.

[68] H. Yang and C.W. Chung, "Efficient Iceberg Query Processing in Sensor Networks," The Computer Journal, Vol. 57, Issue 12, Nov 2014, pp. 1834-1851.

[67] C.H. Lee and C.W. Chung, "Compression Schemes with Data Reordering for Ordered Data," The Journal of Database Management, Vol. 25, Issue 1, 2014, pp. 28.

[66] D.W. Choi, C.W. Chung, and Y. Tao, "Maximizing Range Sum in External Memory," ACM Transactions on Database Systems, Vol. 39, Issue 3, No. 21, September 2014.

[65] K.W.Lee, D.W.Choi, and C.W. Chung, "DART+: Direction-aware Bichromatic Reverse k Nearest Neighbor Query Processing in Spatial Databases," Intelligent Information Systems, Vol. 43, Issue 2, 2014, pp. 349-377.

[64] Y. Tao, C. Sheng, C.W. Chung, and J.R. Lee, "Range Aggregation with Set Selection," IEEE Transactions on Knowledge and Data Engineering, Vol. 26, May 2014, pp. 1240-1252.

[63] J.H. Lee, C.W. Chung, J.K. Min, and Alice Oh, "Effective Ranking and Search Techniques for Web Resources considering Semantic Relationships," Information Processing and Management, Vol. 50, Issue 1, Jan 2014, pp. 132-155.

[62] D.W. Choi and C.W. Chung, "REQUEST+: A Framework for Efficient Processing of Region-based Queries in Sensor Networks," Information Sciences, Vol. 248, Issue 1, November 2013, pp. 151-167.

[61] J.H. Yun and C.W. Chung, "Efficient Probabilistic XML Query Processing using An Extended Labeling Scheme and A Lightweight Index,"Information Processing & Management, Vol. 48, Issue 6, November 2012, pp. 1181-1202.

[60] C.H.Lee and C.W. Chung, "An Approximate Duplicate Elimination in RFID Data Streams," Data & Knowledge Engineering, Vol. 70, Issue 12, December 2011, pp. 1070-1087.

[59] J.K. Min, H. Yang, and C.W. Chung, "Cost Based In-Network Join Strategy in Tree Rounting Sensor Networks," Information Sciences, Vol. 181, Issue 16, August 2011, pp. 3443-3458.

[58] Y.K Kim, C.W. Chung, S.L Lee, and D.H Kim, "Distance Approximation Techniques to Reduce the Dimensionality for Multimedia Databases," Knowledge and Information Systems, Vol. 28, Issue 1, July 2011, pp. 227-248.

[57] C.H.Lee and C.W. Chung, "RFID Data Processing in Supply Chain Management using a Path Encoding Scheme," IEEE Transactions on Knowledge and Data Engineering, Vol. 23, May 2011, pp. 742-758.

[56] C.H. Lee, C.W. Chung, and S.J. Chun, "Effective Processing of Continuous Group-By Aggregate Queries in Sensor Networks," Journal of Systems and Software, Vol. 83, Issue 12, December 2010, pp. 2627-2641.

[55] Alexander Pak and C.W. Chung, "A Wikipedia Matching Approach to Contextual Advertising," World Wide Web Journal(ISSN: (Print) 1386-145X / (Online) 1573-1413), Vol. 13, No. 3, September 2010, pp. 251-274.

[54] Chung-Ho Noh, Seok-Lyong Lee, Deok-Hwan Kim, Chin-Wan Chung, and Sang-Hee Kim, "An effective and efficient defect inspection system for TFT-LCD polarized films using adaptive thresholds and shape-based image analyses," International Journal of Production Research, Vol. 48, No. 17, September 2010, pp. 5115-5135.

[53] S.H Peng, D.H Kim,S.L Lee and C.W. Chung, "A Visual Shape Descriptor Using Sectors and Shape Context of Contour Lines," Information Sciences (ISSN: 0020-0255) Volume 180, Issue 16, 15 August 2010, pp. 2925-2939.

[52] K.S. Kim and C.W. Chung, "In/Out Status Monitoring in Mobile Asset Tracking with Wireless Sensor Networks, " Sensors 2010(ISSN 1424-8220), Vol.10, Issue.4, 26 March 2010, pp. 2709-2730.

[51] J.K.Min and C.W. Chung, "EDGES: Efficient Data Gathering in Sensor Networks using Temporal and Spatial Correlations," Journal of Systems and Software (ISSN: 0164-1212) Volume 83, Issue 2, February 2010, pp. 271-282

[50] J.Lee, J.H.Park, M.J.Park, C.W. Chung, and J.K.Min, "An Intelligent Query Processing for Distributed Ontologies," Journal of Systems and Software, Vol. 83, Issue 1, January 2010, pp. 85-95.

[49] J.K.Min, C.H.Lee, and C.W. Chung, "AMID: Approximation of Multi-measured Data Using SVDm" Information Sciences, Vol 179, Issue 16, 20 July 2009, pp. 2833-2850.

[48] J.K.Min, J.Lee, and C.W. Chung,"An Efficient XML Encoding and Labeling Method for Query Processing and Updating on Dynamic XML data," Journal of Systems and Software, Vol .82, Issue 3, March 2009, pp. 503-515.

[47] S.W.Kim, C.W. Chung, and D.E.Kim, "An Opinion-based decision model for recommender systems,"Online Information Review : the international journal of digital information research and use (the special personal knowledge management issue), Vol. 33, No. 3, 2009, pp. 584-602.

[46] Robert S. Lee, C.W. Chung, S.L.Lee, and S.H.Kim,"Confidence Interval Approach to Feature Re-weighting," Multimedia Tools and Applications, Vol.40, No.3, December 2008, pp. 385-407.

[45] Y.G.Yoon, S.L.Lee, C.W. Chung, and S.H.Kim, "An Effective Defect Inspection System for Polarized Film Images Using Image Segmentaion and Template Matching Techniques," Computers & Industrial Engineering, Vol.55, October 2008 , pp. 567-583.

[44] J.K.Min, C.H.Lee, and C.W. Chung,"XTRON: An XML Data Management System using Relational Databases," Information and Software Technology, Vol. 50, Issue 5, April 2008, pp. 462 - 479.

[43] J.H.Yun and C.W. Chung, "Dynamic Interval-based Labeling Scheme For Efficient XML Query and Update Processing , " Journal of Systems and Software, Vol. 81, Issue 1, January 2008, pp. 56-70.

[42] J.K.Min, M.J.Park, and C.W. Chung, "XTREAM: An Efficient Multi-Query Evaluation on Streaming XML Data," Information Sciences, Vol.177, No.17, September 2007, pp. 3519-3538.

[41] H.J.Cho and C.W. Chung, "Indexing Range Sum Queries in Spatio-Temporal Databases," Information and Software Technology, Vol. 49, No. 4, April 2007, pp. 324-331.

[40] J.K.Min, M.J.Park, and C.W. Chung, "A Compressor for Effective Archiving, Retrieval, and Updating of XML Documents," ACM Transactions on Internet Technology, Vol. 6, No. 3, August 2006, pp. 223-258.

[39] C.R.Kim and C.W. Chung, "XMage: An Image Retrieval Method Based on Partial Similarity," Information Processing and Management, Vol. 42, No. 2, March 2006, pp. 484-502.

[38] D.H.Kim, C.W. Chung, and K.Barnard, "Relevance Feedback Using Adaptive Clustering for Image Similarity Retrieval,"Journal of Systems and Software, Vol. 78, No. 1, October 2005, pp. 9-23.

[37] J.K.Min, C.W. Chung and K.S.Shim, "An Adaptive Path Index for XML Data Using the Query Workload," Information Systems, Vol. 30, No. 6, September 2005, pp. 467-487.

[36] J.K.Min, H.H.Park, and C.W. Chung, "Multi-Way Spatial Join Selectivity for Ring Join Graph,"Information and Software Technology, Vol.47, September 2005, pp785-795.

[35] C.W. Chung, S.H.Choi, and Y.J.Choi, "Closest Pair Queries in Spatio-Temporal Databases," International Journal of Computer Systems Science and Engineering, Vol.20, No.3, March 2005, pp.107-115.

[34] Y.J.Choi, J.K.Min, and C.W. Chung, "A Cost Model for Spatio-Temporal Queries Using the TPR-tree," Journal of Systems and Software, Vol.73, No.1, September 2004, pp.101-112.

[33] J.K.Min and C.W. Chung, "DIPS: An Efficient Pointer Swizzling Strategy for Incremental Uncaching Environments,"Journal of Systems and Software, Vol. 71, No. 1-2, 2004, pp. 189-198.

[32] H.H.Park, J.K.Min, C.W. Chung, and T.G.Chang, "Multi-Way R-tree Joins Using Indirect Predicates," Information and Software Technology, Vol. 46, 1 September 2004, pp. 739-751.

[31] H.G. Kang, J.K.Min, S.J. Chun, and C.W. Chung, "A Compression Method for Prefix-Sum cubes," Information Processing Letters, Vol. 92, 18 August 2004, pp.99-105.

[30] S.J.Chun, C.W. Chung, and S.L.Lee, "Space Efficient Cubes for OLAP Range Sum Queries," Decision Support Systems, Vo1. 37, 2004, pp.83-102.

[29] H.J. Cho, J.K.Min, and C.W. Chung, "An Adaptive Indexing Technique Using Spatio-Temporal Query Workloads," Information and Software Technology, Vol. 46, 2004, pp. 229-241.

[28] Y.J.Choi, H.H.Park, and C.W. Chung, "Estimating the Result Size of a Query to Velocity Skewed Moving Objects," Information Processing Letters, Vol. 88, 30 Ausgust 2003, pp. 279-285.

[27] D.H.Kim and C.W. Chung, "Collection Fusion Using Bayesian Estimation of a Linear Regression Model in Image Database on the Web," Information Processing and Management, Vol. 39, 2003, pp. 267-285.

[26] J.K.Min, J.Y.Ahn, and C.W. Chung, "Efficient Extraction of Schemas for XML Documents," Information Processing Letters, Vol. 85, Issue 1, 16 January 2003, pp. 7-12.

[25] C.W.Park and C.W. Chung, "An Effective Query Pruning Technique for Multiple Regular Path Expressions," Journal of Systems and Software, Vol. 64, Issue 3, 15 December 2002, pp. 219-233.

[24] D.H.Kim, S.L.Lee, and C.W. Chung, "Heterogeneous Image Database Selection on the Web," Journal of Systems and Software, Vol. 64, Issue 2, 15 November 2002, pp. 131-149.

[23] G.H.Cha and C.W. Chung, "The GC-Tree: A High-Dimensional Index Structure for Similarity Search in Image Databases," IEEE Transactions on Multimedia, Vol. 4, No. 2, June 2002, pp. 235-247.

[22] H.H.Park, H.J.Cho, and C.W. Chung, "Heuristic Approach for Early Separated Filter and Refinement Strategy in Spatial Query Optimization," Journal of Systems and Software, Vol. 62, Issue 3, 15 June 2002, pp. 161.

[21] G.H.Cha, X.Zhu, D.Petkovic, and C.W. Chung, "An Efficient Indexing Method for Nearest Neighbor Searches in High-Dimensional Image Databases," IEEE Transactions on Multimedia, Vol. 4, No. 1, March 2002, pp. 76-87.

[20] S.L.Lee and C.W. Chung, "Hyper-Rectangle Based Segmentation and Clustering of Large Video Data Sets," Information Sciences, Vol. 141, No. 1-2, January 2002, pp. 139-168.

[19] Y.J.Lee and C.W. Chung, "The DR-Tree: A Main Memory Data Structure for Complex Multi-dimensional Objects," GeoInformatica, Vol. 5, No. 2, 2001, pp. 181-207.

[18] S.L.Lee and C.W. Chung, "On the Effective Clustering of Multidimensional Data Sequences," Information Processing Letters, Vol. 80, 2001, pp. 87-95.

[17] H.H.Park and C.W. Chung, "Complexity of Estimating Multi-way Join Result Sizes for Area Skewed Spatial Data," in Information Processing Letters, Vol. 76, 2000, pp. 121-129.

[16] J.H.Lee, D.H.Kim, S.L.Lee, C.W. Chung, and G.H.Cha, "Distributed Similarity Search Algorithm in Distributed Heterogeneous Multimedia Databases," Information Processing Letters, Vol 75, 2000, pp. 35-42.

[15] S.J.Lee and C.W. Chung, "VLRU: Buffer Management in Client-Server Systems," in IEICE Transactions on Information and Systems, Vol.  E83-D, No. 6, June 2000, pp. 1245-1254.

[14] H.H.Park, Y.J.Lee, and C.W. Chung, "Spatial Query Optimization Utilizing Early Separated Filter and Refinement Strategy," Information Systems, Vol. 25, No. 1, 2000, pp. 1-22.

[13] Y.J.Lee and C.W. Chung. "Analysis of Two-step Index Structure for Complex Spatial Objects," Information Sciences, an International Journal, Vol. 125, 2000, pp. 133-152.

[12] G.H.Cha and C.W. Chung, "An Indexing and Retrieval Mechanism for Complex Similarity Queries in Image Databases," Journal of Visual Communication and Image Representation, Vol. 10, 1999, pp. 268-290.

[11] J.H.Lee, G.H.Cha, and C.W. Chung, "A Model for k-Nearest Neighbor Query Processing Cost in Multidimensional Data Space," Information Processing Letters, Vol. 69, 1999, pp. 69-76.

[10] C.W. Chung, C.R.Kim, and S.Dao, "Knowledge and Object-Oriented Approach for Interoperability of Heterogeneous Information Management Systems," Journal of Database Management, Vol. 10, No. 3, July-Sep. 1999, pp. 13-25.

[9] G.H.Cha and C.W. Chung, "A New Indexing Scheme for Content-Based Image Retrieval," Multimedia Tools and Applications: An International Journal, Vol. 6, No. 3, May 1998, pp. 263-288.

[8] Y.J.Lee, S.J.Lee, and C.W. Chung, "Object Decomposition for Spatial Query Processing," International Journal of Information Technology (IJIT), Vol. 3, No. 1, 1997, pp. 35-62.

[7] G.H.Cha and C.W. Chung, "An Efficient Data Structure for Organizing Multidimensional Data," Journal of Database Management, Vol. 8, No. 4, Fall 1997, pp. 3-14.

[6] C.W. Chung, "An interface between object-oriented databases and relational databases," the Journal of Systems Integration, Vol. 5, No. 3, September 1995, pp. 253-274.

[5] C.W. Chung and K.McCloskey, "Access to indexed hierarchical databases using a relational query language," IEEE Transactions on Knowledge and Data Engineering, Vol. 5, No. 1, February 1993, pp. 155-161.

[4] G.Thomas, G.Thompson, C.W. Chung, E.Barkmeyer, F.Carter, M.Templeton, S.Fox, and B.Hartman, "Heterogeneous distributed database systems for production use," ACM Computing Surveys, Vol. 22, No. 3, September 1990, pp. 237-266.

[2] C.W. Chung, "DATAPLEX: an access to heterogeneous distributed databases," Communications of the ACM, Vol. 33, No. 1, January 1990, pp. 70-80.

[2] C.W. Chung and K.Irani, "An optimization of queries in distributed database systems," the Journal of Parallel and Distributed Computing,Vol. 3, No. 2, June 1986, pp. 137-157.

[1] C.W. Chung, and K.Irani, "A methodology for query optimization in distributed database systems," IEEE Data Engineering, Vol. 5, No. 3, September 1982, pp. 19-23.