[PDSW] Seoyeong Lee, Awais Khan, Yoochan Kim, Junghwan Park, Soon Hwang, Jae-Kook Lee, Taeyoung Hong, Christopher Zimmer, Youngjae Kim, Fault-Tolerant Deep Learning Cache with Hash Ring for Load Balancing in HPC Systems, In Proceedings of the 9th International Parallel Data Systems Workshop (PDSW) (2024), held in conjunction with SC24, Atlanta, GA, November 2024. 

[MASCOTS] Hamin Hwangbo, Joseph Ro, Sungjin Byeon, Safdar Jamil, Junyoung Han, Jooyoung Hwang and Youngjae Kim, Towards A Unified Garbage Collection Strategy in ZNS Key-Value Store File Systems Using Same-Victim GC, In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2024), Krakow, Poland, October 21-23, 2024.

[ICPP] Junhyeok Park, Chang-Gyu Lee, Soon Hwang, Soonyeal Yang, Jungki Noh, Woosuk Chung, Junghee Lee, Youngjae Kim, BandSlim: A Novel Bandwidth and Space-Efficient KV-SSD with an Escape-from-Block Approach, In Proceedings of the 53rd International Conference on Parallel Processing (ICPP), Gotland, Sweden, August 12-15, 2024.

[MSST] Sungjin Byeon, Joseph Ro, Junyeong Han, Jeong-Uk Kang, Youngjae Kim, Ensuring Compaction and Zone Cleaning Efficiency through Same-Zone Compaction in ZNS Key-Value Store, In Proceedings of the International Conference on Massive Storage Systems and Technology (MSST), Santa Clara, CA, USA, June 3-7, 2024.

[CCGRID] Yoochan Kim, Kihyun Kim, Yonghyeon Cho, Jinwoo Kim, Awais Khan, Ki-Dong Kang, Baik-Song An, Myung-Hoon Cha, Hong-Yeon Kim and Youngjae Kim, DeepVM: Integrating Spot and On-Demand VMs for Cost-Efficient Deep Learning Clusters in the Cloud, In Proceedings of the IEEE/ACM international Symposium on Cluster, Cloud and Internet Computing (CCGRID), Philadelphia, PA, USA, May, 6-9, 2024.

[TECS] Hongsu Byun, Safdar Jamil, Jungwook Han, Sungyong Park, Myungcheol Lee, Changsoo Kim, Beongjun Choi, Youngjae Kim, An Analytical Model-based Capacity Planning Approach for Building CSD-based Storage Systems, ACM Transactions on Embedded Computing Systems (ACM TECS), 2024 (accepted)

[CLUSTER] Inhyuk Park, Qing Zeng, Dominic Manno, Soonyeoal Yang, Jason Lee, David Bonnie, Bradley Settlemyer, Youngjae Kim, Woosuk Chung, Gray Grider, TomDB: A Hardware-Accelerated Key-Value Store for Data-Intensive Applications, Proceedings of the IEEE International Conference on Cluster Computing (CLUSTER) (2023), Sante Fe, NM, October, 2023.

[MASCOTS] Yeohyeon Park, Junhyeok Park, Awais Khan, Jungwhan Park, Chang-Gyu Lee, Woosuk Chung, Youngjae Kim, OctoKV: An Agile Network-based Key-Value Storage System with Robust Load Orchestration, In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2023), Stony Brook, NY, USA, October 16-18, 2023.

[HotStorage] Seongjin Byeon, Joseph Ro, Safdar Jamil, Jeong-Uk Kang, Youngjae Kim, A Free-Space Adaptive Runtime Zone-Reset Algorithm for Enhanced ZNS Efficiency, In Proceedings of the 13th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage) (2023), Boston, MA, July, 2023.  

[TECS] Donghyun Min, Kihyun Kim, Caewon Moon, Awais Khan, Seungjin Lee, Changhwan Youn, Woosuk Chung, Youngjae Kim, A Multi-Tenant Key-Value SSD with Secondary Index for Search Query Processing and Analysis, ACM Transactions on Embedded Computing Systems (ACM TECS) (2023), Vol. 22, No. 65, pp. 1-27, July 2023. 

[SYSTOR] Seungjin Lee, Changgyu Lee, Donghyun Min, Inhyuk Park, Woosuk Chung, Anand Sivasubramaniam, Youngjae Kim, Iterator Interface Extended LSM-tree-based KVSSD for Range Queries, In Proceedings of the 16th ACM International Systems and Storage Conference (SYSTOR) (2023), Haifa, Israel, June 2023.

[SAC] Jinhoon Lee, Yeonwoo Jung, Suyeon Lee, Safdar Jamil, Sungyong Park, Kwangwon Koh, Hongyeon Kim, Kangho Kim, Youngjae Kim, MFence: Defending Against Memory Access Interference in a Disaggregated Cloud Memory Platform, In Proceedings of the 38th ACM/SIGAPP Symposium on Applied Computing (SAC) (2023), Tallinn, Estonia, March, 2023.

[TCAD] Donghyun Min, Yungwoo Ko, Ryan Walker, Junghee Lee, Youngjae Kim, A Content-based Ransomware Detection and Backup Solid-State Drive for Ransomware Defense, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (IEEE TCAD) (2022), Vol. 41, No. 7, pp. 2038-2051, July 2022.

[IPDPS] Hyungjoon Kwon, Yonghyeon Cho, Awais Khan, Yeohyeon Park, Youngjae Kim, DeNOVA: Deduplication Extended NOVA File System
, 
In Proceedings of the 36th IEEE Int'l Parallel and Distributed Processing Symposium (IPDPS) (2022), Virtual, June, 2022. 

[HotStorage] Hee-Rock Lee, Chang-Gyu Lee, Seungjin Lee, Youngjae Kim, Compaction-Aware Zone Allocation for LSM based Key-Value Store on ZNS SSDs, In Proceedings of the 14th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage) (2022), Virtual, June, 2022.  

[TPDS] Khu-rai Kim, Youngjae Kim, Sungyong Park, A Probabilistic Machine Learning Approach to Scheduling Parallel Loops with Bayesian Optimization, IEEE Transactions on Parallel and Distributed Systems (IEEE TPDS) (2021), Vol. 32, No. 7, pp. 1815-1827, July 2021. 

[HotStorage] Donghyun Min, Youngjae Kim, Isolating Namespace and Performance in Key-Value SSDs for Multi-tenant Environments, In Proceedings of the 13th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage) (2021), Virtual, June, 2021.  

[HPCAsia] Awais Khan, Hyogi Sim, Sudharshan S. Vazhkudai, Ali Butt, Youngjae Kim, An Analysis of System Balance and Architectural Trends Based on Top500 Supercomputers, In Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia) (2021), January 20-22, 2021. 

[SAC] Chang-Gyu Lee, Sunghyun Noh, Hyeongu Kang, Soon Hwang, Youngjae Kim, Concurrent File Metadata Structure Using Readers-Writer Lock, In Proceedings of the 36th ACM/SIGAPP Symposium On Applied Computing (SAC) (2021) (Operating Systems Track), March 22-26, 2021. 

[SAC] Min-Gyo Jeong, Chang-Gyu Lee, Dong-Gyu Park, Sungyong Park, Jungki Noh, Woosuk Chung, Kyoung Park, Youngjae Kim, GPUKV: An Integrated Framework with KVSSD and GPU through P2P Communication Support, In Proceedings of the 36th ACM/SIGAPP Symposium On Applied Computing (SAC) (2021) (Operating Systems Track), March 22-26, 2021. 

[MASCOTS] June-Hyung Kim, Youngjae Kim, Safdar Jamil, Sungyong Park, A NUMA-aware NVM File System Design for Manycore Server Applications, In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2020), Nice, France, November 17-19, 2020.

[TPDS] Hyogi Sim, Awais Khan, Sudharshan Vazhkudai, Seung-Hwan Lim, Ali Butt, Youngjae Kim, An Integrated Indexing and Search Service for Distributed File Systems, IEEE Transactions on Parallel and Distributed Systems (IEEE TPDS), Vol. 31, No. 10, pp. 2375-2391, October 2020.

[ASIACCS] Jinwoo Ahn, Junghee Lee, Yungwoo Ko, Donghyun Min, Jiyoon Park, Sungyong Park, Youngjae Kim, DiskShield: A Data Tamper-Resistant Storage for Intel SGX, In Proceedings of the 15th ACM ASIA Conference on Computer and Communications Security (ASIACCS) (2020), Taipei, Tiwan, October 5-9, 2020.

[TPDS] Prince Hamandawana, Awais Khan, Chang-Gyu Lee, Sungyong Park, Youngjae Kim, Crocus: Enabling Computing Resource Orchestration for Inline Cluster-wide Deduplication on Scalable Storage Systems, IEEE Transactions on Parallel and Distributed Systems (IEEE TPDS) (2020), Vol. 31, No. 8, pp. 1740-1753, August 2020. 

[MASCOTS] Chang-Gyu Lee, Hyeongu Kang, Donggyu Park, Sungyong Park, Youngjae Kim, Jungki Noh, Woosuk Chung, Kyoung Park, iLSM-SSD: An Intelligent LSM-tree based Key-Value SSD for Data Analytics, In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2019), Rennes, France, October 22-25, 2019

[MASCOTS] Khu-rai Kim, Youngjae Kim, Sungyong Park, Towards Robust Data-driven Parallel Loop Scheduling Using Bayesian Optimization, In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2019), Rennes, France, October 22-25, 2019

[FGCS] Awais Khan, Taeuk Kim, Hyunki Byun, Youngjae Kim, SCISPACE: A Scientific Collaboration Workspace for Geo-Distributed HPC Data Centers, Future Generation Computer Systems (FGCS) (2019), Vol 101, December 2019, pp. 398-409. 

[SYSTOR] Chang-Gyu Lee, Hyunki Byun, Sunghyun Noh, Hyeongu Kang, Youngjae Kim, Write Optimization of Log-structured Flash File System for Parallel I/O on Manycore Servers, In Proceedings of the 12th ACM International Systems and Storage Conference (SYSTOR) (2019), Haifa, Israel, June 2019.

[TPDS] Hyogi Sim, Geffroy Vall ´ee, Youngjae Kim, Sudharshan Vazhkudai, Devesh Tiwari, Ali Butt, An Analysis Workflow-Aware Storage System for Multi-Core Active Flash Arrays, IEEE Transactions on Parallel and Distributed Systems (IEEE TPDS) (2019), Vol. 30, No. 2, pp. 271-285, February 2019.

[CAL] Donghyun Min, Donggyu Park, Jinwoo Ahn, Ryan Walker, Junghee Lee, Sungyong Park, Youngjae Kim, Amoeba: An Autonomous Backup and Recovery SSD for Ransomware Defense, IEEE Computer Architecture Letter (IEEE CAL) (2018), 17(2):245-248 (December 2018).

[MASCOTS] Awais Khan, Chang-Gyu Lee, Prince Hamandawana, Sungyong Park, Youngjae Kim, A Robust Fault-Tolerant and Scalable Cluster-wide Deduplication for Shared-Nothing Storage Systems, In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2018), Milwaukee, WI, USA, September 25-28, 2018.

[CAL] Junghee Lee, Kalidas Ganesh, Hyuk-Jun Lee, Youngjae Kim, FeSSD: A Fast Encrypted SSD Employing On-Chip Access-Control Memory, IEEE Computer Architecture Letters (IEEE CAL) (2017), 16(2):115-118 (December 2017).

[SC] Xu Ji, Chao Wang, Nosayba El-Sayed, Xiaosong Ma, Youngjae Kim, Sudharshan S. Vazhkudai, Wei Xue, Daniel Sanchez, Understanding Object-level Memory Access Patterns Across the Spectrum, In Proceedings of the 2017 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2017), Denver, CO, November 2017.

[SC] Hyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, Geoffroy R. Valle ́e, Seung-Hwan Lim, Ali Butt, TagIt: An Integrated Search and Discovery Service for File Systems, In Proceedings of the 2017 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2017), Denver, CO, November 2017.

[TPDS] Kalidas Ganesh, Youngjae Kim, Monobrata Debnath, Sungyong Park, Junghee Lee, LAWC: Optimizing Write Cache using Layout-Aware I/O Scheduling for All Flash Storage, IEEE Transactions on Computer (IEEE TC) (2017), Vol. 66, No. 11, pp. 1890-1902, November 2017. 

[HotStorage] Chintan Chavda, Ethan C. Ahn, Yu-Sheng Chen, Youngjae Kim, Kalidas Ganesh, Junghee Lee, Vulnerability Analysis of On-Chip Access-Control Memory, In Proceedings of the 9th USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage) (2017), Santa Clara, CA, July 10-11, 2017.

[CCGRID] Sangken Lee, Hyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, AnalyzeThat: A Programmable Shared-Memory System for an Array of Processing-In-Memory Devices, In Proceedings of the IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGRID) (2017), Madrid, Spain, May 2017. 

[TPDS] Youngjae Kim, Scott Atchley, Geoffroy R. Vallée, Sangken Lee, Galen M. Shipman, Optimizing End-to-End Big Data Transfers over Terabits Network Infrastructure, IEEE Transactions on Parallel and Distributed Systems (IEEE TPDS) (2017), Vol. 28, No. 1, pp. 188-201, January 2017.

[SC] Hyogi Sim, Youngjae Kim, Sudharshan Vazhkudai, Devesh Tiwari, Ali Anwar, Ali Butt, Lavayna Ramakrishnan, AnalyzeThis: An Analysis Workflow-Aware Storage System, In Proceedings of the 2015 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2015), Austin, TX, November 2015. 

[CAL] Junghee Lee, Youngjae Kim, Jongman Kim, Galen Shipman, Synchronous I/O Scheduling of Independent Write Caches for an Array of SSDs, IEEE Computer Architecture Letters (IEEE CAL) (2015), 14(2):79-82 (July 2015).

[FAST] Youngjae Kim, Scott Atchley, Geoffroy R. Vallee, Galen M. Shipman, LADS: Optimizing Data Transfers Using Layout-Aware Data Scheduling, In Proceedings of the USENIX Conference on File and Storage Technologies (FAST) (2015), San Jose, CA, February, 2015.

[SC] Sarp Oral, James Simmons, Jason Hill, Dustin Leverman, Feiyi Wang, Matt Ezell, Ross Miller, Douglas Fuller, Raghul Gunasekaran, Youngjae Kim, Saurabh Gupta, Devesh Tiwari, Sudharshan Vazhkudai, James H. Rogers, David Dillow, Galen M. Shipman, Arthur S. Bland, Best Practices and Lessons Learned from Deploying and Operating Large-Scale Data-Centric Parallel File Systems, In Proceedings of the 2014 ACM/IEEE International Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2014), New Orleans, LA, November 16-21, 2014. 

[J.SC] Youngjae Kim, Aayush Gupta, Bhuvan Urgaonkar, Peter Berman, Anand Sivasubramaniam, HybridPlan: A Capacity Planning Technique for Projecting Storage Requirements in Hybrid Storage Systems, J. Supercomputing: An International Journal of High-Performance Computer Design, Analysis, and Use (2014), Vol. 67, No. 1, pp. 277-303, January 2014.

[TC] Youngjae Kim, Junghee Lee, Sarp Oral, David Dillow, Feiyi Wang, Galen M. Shipman, Coordinating Garbage Collection for Arrays of Solid-state Drives, IEEE Transactions on Computers (IEEE TC) (2014), Vol. 63, No. 4, pp. 888-901, April 2014. 

[FAST] Devesh Tiwari, Simona Bobila, Sudharshan Vazhkudai, Youngjae Kim, Xiaosong Ma, Peter Desnoyers, Yan Solin, Active Flash: Towards Energy-Efficient, In-Situ Data Analytics on Extreme-Scale Machines, In Proceedings of the USENIX Conference on File and Storage Technologies (FAST) (2013), San Jose, CA, February, 2013. 

[TCAD] Junghee Lee, Youngjae Kim, Galen M. Shipman, Sarp Oral, Jongman Kim, Preemptible I/O Scheduling of Garbage Collection for Solid-state Drives, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (IEEE TCAD) (2013), Vol. 32, No. 2, pp. 247-260, February 2013.

[JCST] Youngjae Kim, Aayush Gupta, Bhuvan Urgaonkar, A Temporal Locality-aware Page-Mapped Flash Translation Layer, Journal of Computer Science and Technology (JCST) (2013), Vol. 28, No. 6, pp. 1025-1044, November 2013.

[HotPower] Devesh Tiwari, Sudharshan Vazhkudai, Youngjae Kim, Xiaosong Ma, Simona Boboila, Peter Desnoyers, Reducing Data Movement Costs using Energy-Efficient Active, Computation on SSD, In Proceedings of the USENIX Workshop on Power-Aware Computing and Systems (HotPower) (2012), co-located with OSDI, Hollywood, CA, October 2012.

[SIGMETRICS] Seung-Hwan Lim, Jae-Seok Huh, Youngjae Kim, Galen M. Shipman, Chita Das, D-Factor: A Quantitative Model of Application Slow-Down in Shared Service Systems with Multiple Resources, In Proceedings of the ACM Int'l Conference on Measurement and Modeling of Computer Systems (SIGMETRICS) (2012), London, United Kingdom, June 11-15, 2012.

[IPDPS] Chao Wang, Sudharshan Vazhkudai, Xiaosong Ma, Fei Meng, Youngjae Kim, Christian Engelmann, NVMalloc: Exposing an Aggregate SSD Store as a Memory Partition in Extreme-Scale Machines, In Proceedings of the IEEE Int'l Parallel and Distributed Processing Symposium (IPDPS) (2012), Shanghai, China, May 21-25, 2012. 

[MSST] Simona Boboila, Youngjae Kim, Sudharshan Vazhkudai, Peter Desnoyers, Galen M. Shipman, Active Flash: Out-of-core Data Analytics on Flash Storage, In Proceedings of the IEEE Symposium on Massive Storage Systems and Technologies (MSST) (2012), Monterey, CA, April 16-20, 2012.

[ICDCS] Ramya Prabhakar, Sudharshan Vazhkudai, Youngjae Kim, Ali Butt, Min Li, Mahmut Kantemir, Provisioning a Multi-Tiered Data Staging Area for Extreme-Scale Machines, In Proceedings of the International Conference on Distributed Computing Systems (ICDCS) (2011), Minneapolis, Minnesota, June 20-24, 2011. 

[HotCloud] Seung-Hwan Lim, Jae-Seok. Huh, Youngjae Kim, Chita Das, Migration, Assignment, and Scheduling of Jobs in Virtualized Environment, In Proceedings of the USENIX Workshop on Hot Topics in Cloud Computing (HotCloud) (2011), co-located with USENIX ATC, Portland, OR, June 2011. 

[ISPASS] Junghee Lee, Youngjae Kim, Galen M. Shipman, Sarp Oral, Feiyi Wang, Jongman Kim, A Semi-Preemptive Garbage Collector for Solid State Drives, In Proceedings of the IEEE Int'l Symposium on Performance Analysis of Systems and Software (ISPASS) (2011), Austin, TX, April 10-12, 2011.

[SC] Min Li, Sudharshan Vazhkudai, Ali Butt, Fei Meng, Xiaosong Ma, Youngjae Kim, Christian Engelmann, Galen M. Shipman, Functional Partitioning to Optimize End-to-End Performance on Many-Core Architectures, In Proceedings of the IEEE/ACM Int'l Conference on High Performance Computing, Networking, Storage and Analysis (SC) (2010), New Orleans, LA, November 2010.

[MSST] Youngjae Kim, Sarp Oral, Galen M. Shipman, Junghee Lee, David Dillow, Feiyi Wang, Harmonia: A Globally Coordinated Garbage Collector for Arrays of Solid-state Drives, In Proceedings of the IEEE Symposium on Massive Storage Systems and Technologies (MSST) (2011), Denver, Colorado, May 23-27, 2011. 

[MASCOTS] Youngjae Kim, Aayush Gupta, Bhuvan Urgaonkar, Piotr Berman, Anand Sivasubramaniam, HybridStore: A Cost-Efficient, High-Performance Storage System Combining SSDs and HDDs, In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS) (2011), Singapore, July 25-27, 2011.

[PDSW] Youngjae Kim, Raghul Gunasekaran, Galen M. Shipman, David Dillow, Zhe Zhang, Brad Settlemyer, Workload Characterization of a Leadership Class Storage, In Proceedings of the Petascale Data Storage Workshop in conjunction with SC (PDSW) (2010), held in conjunction with SC10, New Orleans, LA, November 2010. 

[ASPLOS] Aayush Gupta, Youngjae Kim, Bhuvan Urgaonkar, DFTL: A Flash Translation Layer Employing Demand-based Selective Caching of Page-level Address Mappings, In Proceedings of the International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS) (2009), Washington DC, March 2009.

[SIMUL] Youngjae Kim, Brendan Tauras, Aayush Gupta, Bhuvan Urgaonkar, FlashSim: A Simulator for NAND Flash-based Solid-State Drives, In Proceedings of the International Conference on Advances in System Simulation (SIMUL) (2009), Porto, Portugal, September 2009. 

[TC] Jeonghwan Choi, Youngjae Kim, Anand Sivasubramaniam, Jelena Srebric, Qian Wang, Joonwon Lee, CFD-based Tool for Studying Temperature in Rack-mounted Servers, IEEE Transactions on Computer (IEEE TC) (2008), Volume 57, Issue 8, Pages 1129-1142, August 2008. 

[JEP] Youngjae Kim, Jeonghwan Choi, Sudhanva Gurumurthi, Anand Sivasubramaniam, Managing Thermal Emergencies in Disk-Based Storage Systems, Journal of Electronic Packaging, Transactions of the ASME (JEP) (2008), December 2008.

[HPCA] Jeonghwan Choi, Youngjae Kim, Anand Sivasubramaniam, Jelena Srebric, Qian Wang, Joonwon Lee, Modeling and Managing Thermal Profiles of Rack-mounted Servers with ThermoStat, In Proceedings of the International Symposium on High Performance Computer Architecture (HPCA) (2007), Phoenix, Arizona, February 2007. 

[MICRO] Sudhanva Gurumurthi, Youngjae Kim, Anand Sivasubramaniam, Using STEAM for Thermal Simulation of Storage Systems, IEEE Micro Special Issue on Computer Architecture Simulation and Modeling (IEEE MICRO) (2006), Volume 26, Number 4, Pages 43-51, July/August 2006.

[HPCA] Youngjae Kim, Sudhanva Gurumurthi, Anand Sivasubramaniam, Understanding the Performance-Temperature Interactions in Disk I/O of Server Workloads, In Proceedings of the IEEE Int'l Symposium on High Performance Computer Architecture (HPCA) (2006), Austin, Texas, February 2006. 

[PDCS] Youngjae Kim, Soyeon Park, Seungryoul Maeng, Practical Schemes Using Logs for Lightweight Recoverable Distributed Shared Memory, In Proceedings of the International Conference on Parallel and Distributed Computing and Systems (PDCS) (2003), Marina del Rey, CA, November 2003.