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, Spring 2012: 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,Fall 13: CSED421 Database Systems*
Fall 13: EECE602: Advanced 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: Jinhan Kim, Sanghoon Lee, Jinwoo Park, Taesung Lee, Hyunsouk Cho, Jinyoung Yeo, YoungRok Cha, Sunyou Lee , Sunghwan Kim
Graduated: Jongwuk Lee (PhD), Jongwon Roh (PhD), Gaewon You (PhD), Gook-pil Roh (PhD), Mu-woong Lee (PhD), Hyountaek Yong (MS), Youngdae Kim (MS), Chul-kyoon Kim (MS), Sukhyun Ahn (MS), Myungha Jang (MS)
Graduate advisees have won prestigious fellowship and internship awards, including MSRA fellowship (2 awards), CSE Best PhD Thesis Award, MSR and MSRA internships (7 awards), Samsung Humantech Thesis Award (2 silver), HKUST internship, KFAS fellowship, KOSEF fellowship, POSTECH CSE fellowship, and SSTD best paper awards.

Selected Publications

• Towards Efficient Multidimensional Subspace Skyline Computation, VLDBJ 2013

• Bootstrapping Entity Translation on Weakly Comparable Corpora, ACL 2013

• Attribute Extraction and Scoring: A Probabilistic Approach, ICDE 2013 (full paper)

• Robust Distributed Indexing for Locality-Skewed Workloads (full, 13.4% accepted), CIKM 2012

• Enriching Document with Examples: A Corpus Mining Approach, ACM Transactions on Information Systems (to appear)

• Efficient Entity Translation Mining: A Parallelized Graph Alignment Approach, ACM Transactions on Information Systems,2012

• Ursa: Scalable Load and Power Management in Cloud Storage Systems, ACM Transactions on Storage (to appear)

• Entity Translation Mining from Comparable Corpora: Combining Graph Mapping with Corpus Latent Features, IEEE Transactions on Knowledge and Data Engineering (to appear)

• Predictive Mining of Comparable Entities from the Web, AAAI 2012

• 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

• 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, 2011

• 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