Seung-won Hwang Associate Professor, Information and Database Systems Lab Department of Computer Science and Engineering, POSTECH Email: swhwang[AT]postech.ac.kr

Education

• Ph.D. (UIUC), 2005; M.S. (UIUC), 2000; B.S. (KAIST), 1998

Fall 2005/2010-11: CSED233 Data Structures and Algorithms*
Spring/Fall 2006, Spring 2009: CSED499 Senior Projects
Fall 2006/2008: CSED 312 Operating Systems*
Spring 2007: CSED700 Data Retrieval*
Fall 2007: CSED490 Computational Thinking
Spring 08-11: CSED421 Database Systems*
Fall 2007/2009: CSED700 Advanced Topics in Data Management*,
(*Classes taught in English. Curriculum designs were published at SIGCSE and iTiCSE)

Graduate advising: Jongwuk Lee, Gaewon You, Jongwon Roh, Gook-pil Roh, Mu-woong Lee, Jinhan Kim, Sanghoon Lee, Jinwoo Park, Tesung Lee, Hyunsouk Cho, Myungha Jang
Graduated: Hyountaek Yong, Youngdae Kim, Chul-kyoon Kim, Sukhyun Ahn
Graduate advisees have won prestigious fellowship and internship awards, including MSRA fellowship (2 awards), MSR and MSRA internships (7 awards), Samsung Humantech Thesis Award (silver), HKUST internship, KFAS fellowship, KOSEF fellowship, POSTECH CSE fellowship, and SSTD best paper awards.
Undergraduate advising FAQ

Selected Publications

• An Efficient Dual-Resolution Layer Indexing for Top-k Queries, ICDE 2012

• QSkycube: Efficient Skycube Computation Using Point-Based Space Partitioning, VLDB 2011

• Web Scale Taxonomy Cleansing, VLDB 2011

• CosTriage: A Cost-Aware Triage Algorithm for Bug Reporting Systems, AAAI 2011

• A New Approach for Processing Ranked Subsequence Matching Based on Ranked Union, SIGMOD 2011

• Exact Indexing for Support Vector Machines, SIGMOD 2011

• Scalable Load Balancing in Cluster Storage Systems (19% accepted), ACM Middleware 2011

• Mining Entity Translations from Comparable Corpora: A Holistic Graph Mapping Approach (full, 15% accepted), CIKM 2011

• Scalable Entity Matching Computation with Materialization (poster), CIKM 2011

• SocialSearch: Enhancing Entity Search with Social Network Matching ,EDBT 2011

• VSkyline: Vectorization for Efficient Skyline Computation. SIGMOD Record, 2010

• Mining Name Translations from Entity Graph Mapping, EMNLP 2010 (oral, 14% accepted)

• Instant Code Clone Search, ACM SIGSOFT/FSE (Foundations of Software Engineering) 2010

• Supporting pattern matching queries over trajectories on road networks, IEEE Transactions on Knowledge and Data Engineering, 2010

• Towards Intelligent Code Search Engine, AAAI 2010

• BSkyTree: Scalable Skyline Computation Using Balanced Pivot Selection, EDBT 2010

• Product EntityCube: A Recommendation and Navigation System For Product Search, ICDE 2010 (demo)

• Spatial Skyline Queries: An Efficient Geometric Algorithm SSTD 2009 (Best Paper Award)

• Query Result Clustering for Object-level Search ACM SIGKDD 2009

• Optimizing Top-k Queries for Middleware Access: A Unified Cost-based Approach ACM Transactions on Database Systems,2007

• Probe Minimization by Schedule: Supporting Top-k Queries with Expensive Predicates IEEE Transactions on Knowledge and Data Engineering, 2007

• Boolean + Ranking: Querying a Database by K-constrained Optimization, ACM SIGMOD 2006 (13% accepted)

• RankFP: A Framework for Supporting Rank Formulation and Processing, IEEE ICDE 2005 (19% accepted)

• Optimizing Access Cost for Top-k Queries over Web Sources , IEEE ICDE 2005 (19% accepted)

• Automatic Categorization of Query Results, ACM SIGMOD 2004 (16% accepted)

• Minimal Probing: Supporting Expensive Predicates for Top-k Queries, ACM SIGMOD 2002 (17% accepted)

• Clustering High Dimensional Massive Scientific Dataset, SSDBM 2001, extended version in JIIS 2001