[Sensors] PDFPPTBibtex
AI-Driven Validation of Digital Agriculture Models
Eduardo Romero-Gainza, Christopher Stewart
MPDI Sensors
New York,NY, 2023


[AAAI Workshops] PDFPPTBibtex
A Reflection on AI Model Selection for Digital Agriculture Image Datasets
Seth Ockerman, John Wu, Christopher Stewart
AAAI Workshop on AI for Agriculture and Food Systems
Washington, DC, 2023


[Sensys Workshops AgSys] PDFPPTBibtex
Adaptive Deployment for Autonomous Agricultural UAV Swarms
Jayson Boubin, Zichen Zhang, John Chumley, Christopher Stewart
First Workshop on Internet-of-Things and Sensing for Agriculture and Food Systems (AgSys)
Boston, MA, 2022


[Middleware Poster] PDFPPTBibtex
Scalable distributed microservices for autonomous UAV swarms
Kevyn Irizarry, Ziehen Zhang, Christopher Stewart, Jayson Boubin
Proceedings of the 23rd International Middleware Conference Demos and Posters
Quebec City, CA, 2022


[SEC] PDFPPTBibtex
Marble: Multi-agent reinforcement learning at the edge for digital agriculture
Jayson Boubin, Codi Burley, Peida Han, Bowen Li, Barry Porter, Christopher Stewart
2022 IEEE/ACM 7th Symposium on Edge Computing (SEC)
Seattle, WA, 2022


[Middleware] PDFPPTBibtex
Bolt: Fast inference for random forests
Eduardo Romero, Christopher Stewart, Angela Li, Kyle Hale, Nathaniel Morris
Proceedings of the 23rd conference on 23rd ACM/IFIP International Middleware Conference
Quebec City, CA, 2022


[IoTDI] PDFPPTBibtex
Data-Parallel Versus Task-Parallel Swarms for Small Unmanned Aerial Systems
Jayson Boubin, Zichen Zhang, John Chumley, Christopher Stewart
2022 IEEE/ACM Seventh International Conference on Internet-of-Things Design and Implementation
Virtual Conference, 2022


[ToCC] PDFPPTBibtex
Cost-effective Strong Consistency on Scalable Geo-diverse Data Replicas
Yunxiao Du, Zichen Xu, Kanqi Zhang, Jie Liu, Jiangcheng Huang, Christopher Stewart
IEEE Transactions on Cloud Computing
New York, NY, 2022


[Sensors] PDFPPTBibtex
Lean neural networks for autonomous radar waveform design
Anthony Baietto, Jayson Boubin, Patrick Farr, Trevor Bihl, Aaron Jones, Christopher Stewart
Sensors
New York, NY, 2022


[ICPP] PDFPPTBibtex
Performance Modeling for Short-Term Cache Allocation
Christopher Stewart, Nathaniel Morris, Lydia Chen, Robert Birke
Proceedings of the 51st International Conference on Parallel Processing
Bordeaux, France, 2022


[ArXiv Preprint] PDFPPTBibtex
Cost-effective BlackWater Raft on Highly Unreliable Nodes at Scale Out
Zichen Xu, Yunxiao Du, Kanqi Zhang, Jiacheng Huang, Jie Liu, Jingxiong Gao, Christopher Stewart
arXiv preprint arXiv:2203.07920
Ithica, NY, 2022


[CompAg] PDFPPTBibtex
Assessing the efficacy of machine learning techniques to characterize soybean defoliation from unmanned aerial vehicles
Zichen Zhang, Sami Khanal, Amy Raudenbush, Kelley Tilmon, Christopher Stewart
Computers and Electronics in Agriculture
New York, NY, 2022


[IC] PDFPPTBibtex
Toward fully autonomous and networked vehicles
Christopher Stewart, Deepak Vasisht, Weisong Shi
IEEE Internet Computing
New York, NY, 2021


[ICPP Workshops] PDFPPTBibtex
Memory mapping and parallelizing random forests for speed and cache efficiency
Eduardo Romero-Gainza, Christopher Stewart, Angela Li, Kyle Hale, Nathaniel Morris
50th International Conference on Parallel Processing Workshop
Chicago, IL, 2021


[DSN] PDFPPTBibtex
Avis: In-situ model checking for unmanned aerial vehicles
Max Taylor, Haicheng Chen, Feng Qin, Christopher Stewart
51st Annual IEEE/IFIP International Conference on Dependable Systems and Networks
Virtual Conference, 2021


[ICUAS] PDFPPTBibtex
A study on software bugs in unmanned aircraft systems
Max Taylor, Jayson Boubin, Haicheng Chen, Christopher Stewart, Feng Qin
International Conference on Unmanned Aircraft Systems
Virtual Conference, 2021


[ICPE] PDFPPTBibtex
Comparison of object detectors for fully autonomous aerial systems performance
Bowen Li, Nat Shineman, Jayson Boubin, Christopher Stewart
Companion of the ACM/SPEC International Conference on Performance Engineering
Virtual Conference, 2021


[arXiv Preprint] PDFPPTBibtex
Programming and deployment of autonomous swarms using multi-agent reinforcement learning
Jayson Boubin, Codi Burley, Peida Han, Bowen Li, Barry Porter, Christopher Stewart
arXiv preprint arXiv:2105.10605
Ithica, NY, 2021


[CSUR] PDFPPTBibtex
A survey on edge performance benchmarking
Blesson Varghese, Nan Wang, David Bermbach, Cheol-Ho Hong, Eyal Lara, Weisong Shi, Christopher Stewart
ACM Computing Surveys (CSUR)
New York, NY, 2021


[Sensors] PDFPPTBibtex
Whole-field reinforcement learning: A fully autonomous aerial scouting method for precision agriculture
Zichen Zhang, Jayson Boubin, Christopher Stewart, Sami Khanal
Sensors
New York, NY, 2020


[SEC] PDFPPTBibtex
Poster: Configuration Management for Internet Services at the Edge: A Data-Driven Approach
Yue Zhang, Christopher Stewart
2020 IEEE/ACM Symposium on Edge Computing (SEC)
Virtual Conference, 2020


[Arxiv] PDFPPTBibtex
Early Work on Efficient Patching for Coordinating Edge Applications
Naveen Babu, Christopher Stewart
arXiv preprint arXiv:2101.00397
Washington, D.C., 2020


[ACSOS Tutorial] PDFPPTBibtex
Softwarepilot: Fully autonomous aerial systems made easier
Jayson Boubin, Christopher Stewart
IEEE International Conference on Autonomic Computing and Self-Organizing Systems Companion (ACSOS-C)
Virtual Conference, 2020


[CompAg] PDFPPTBibtex
Adaptive autonomous UAV scouting for rice lodging assessment using edge computing with deep learning EDANet
Ming-Der Yang, Jayson Boubin, Hui Tsai, Hsin-Hung Tseng, Yu-Chun Hsu, Christopher Stewart
Computers and Electronics in Agriculture
New York, NY, 2020


[ACM SEC] PDFPPTBibtex
Managing Edge Resources for Fully Autonomous Aerial Systems
Jayson Boubin and Naveen Babu and Christopher Stewart and John Chumley and Shiqi Zhang
ACM Symposium on Edge Computing
Washington D.C., 2019


[ACM SEC (Poster Session)] PDFPPTBibtex
Revisiting Online Scheduling for AI-Driven Internet of Things
Naveen Babu and Christopher Stewart
ACM Symposium on Edge Computing (Poster Session)
Washington D.C., 2019


[ACM SEC Poster Session] PDFPPTBibtex
Fast Inference Services for Alternative Deep Learning Structures
Eduardo Romero and Christopher Stewart and Nathaniel Morris
ACM Symposium on Edge Computing (Poster Session)
Washington D.C., 2019


[ACM Hot WoT] PDFPPTBibtex
Energy, Latency and Staleness Tradeoffs in AI-Driven IoT
Naveen Babu and Christopher Stewart
ACM Workshop on Hot Topics in Web of Things
Washington D.C., 2019


[IEEE NAECON] PDFPPTBibtex
Continuous Adaptive Runtime Integration Testbed for Complex and Autonomous Systems
Christopher Stewart
IEEE National Aerospace and Electronics Conference
Dayton, Ohio, 2019


[IEEE NAECON] PDFPPTBibtex
Computational Thinking Curriculum for Unmanned Aerial Systems
Shiqi Zhang and Christopher Stewart
IEEE National Aerospace and Electronics Conference
Dayton, Ohio, 2019


[IEEE ICAC] PDFPPTBibtex
Characterizing Service Level Objectives for Cloud Services: Realities and Myths
Jianru Ding, Ruiqi Cao, Indrajeet Saravanan, Nathaniel Morris and Christopher Stewart
IEEE International Conference on Autonomic Computing
Umea, Sweden, 2019


[IEEE ICAC] PDFPPTBibtex
Autonomic Computing Challenges in Fully Autonomous Precision Agriculture
Jayson Boubin and John Chumley and Christopher Stewart and Sami Khanal
IEEE International Conference on Autonomic Computing
Umea, Sweden, 2019


[ACM IWQoS] PDFPPTBibtex
Elastic, geo-distributed RAFT
Zichen Xu, Christopher Stewart and Jiacheng Huang
ACM International Symposium on Quality of Service
Phoenix, Az, 2019


[IEEE DCPerf] PDFPPTBibtex
Rapid In-situ Profiling of Colocated Workloads
Jaimie Kelley and Nathaniel Morris
IEEE Workshop on Data Center Performance
Paris, France, 2019


[IEEE DCPerf] PDFPPTBibtex
RAFTing Over on Geo-Diverse Spot Markets
Zichen Xu, Christopher Stewart and Jiacheng Huang
IEEE Workshop on Data Center Performance
Paris, France, 2019


[IEEE International Workshops on Foundations and Applications of Self* Systems] PDFPPTBibtex
Using Game Theory to Manage Self-Aware Unmanned Aerial Systems
Venkata Mandadapu and Christopher Stewart
IEEE International Workshops on Foundations and Applications of Self* Systems
Trento, Italy, 2018


[EuroSys 2018] PDFPPTBibtex
Model-driven Computational Sprinting
Nathaniel Morris and Christopher Stewart and Lydia Chen and Robert Birke and Jaimie Kelley:
ACM European Conference on Computer Systems
Porto, Portugal, 2018


[IOTDI 2018] PDFPPTBibtex
Characterizing Computational Workloads in UAV Applications
Jayson Boubin and Shiqi Zhang and Venkata Mandadapu and Christopher Stewart
IEEE Internet-of-Things Design and Implementation
Orlando, Florida, 2018


[FiE 2018] PDFPPTBibtex
Assessing Learning Behavior and Cognitive Bias from Web Logs
Rashmi Rao and Christopher Stewart and Arnuflo Perez and Siva Renganathan
IEEE Frontiers in Education
San Jose, CA, 2018


[FiE 2017] PDFPPTBibtex
Preliminary Results on an Interactive Learning Tool for Early Algebra Education
Siva Renganathan and Christopher Stewart and Arnulfo Perez and Rashmi Rao and Bailey Braaten
IEEE Frontiers in Education
Indianapolis, IN, 2017


[SOCC 2017 (poster)] PDFPPTBibtex
Early Work on Modeling Computational Sprinting
Nathaniel Morris and Christopher Stewart and Robert Birke and Lydia Chen
ACM Symposium on Cloud Computing
Santa Clara, CA, USA, 2017


[ICPP 2017] PDFPPTBibtex
A Pareto Framework for Data Analytics on Heterogeneous Systems: Implications for Green Energy Usage and Performance
Aniket Chakrabarti and Srinivasan Parthasarathy and Christopher Stewart
IEEE International Conference on Parallel Processing
Brighton, UK, 2017


[TOMPECS 2017] PDFPPTBibtex
Obtaining and Managing Answer Quality for Online Data-Intensive Services
Jaimie Kelley and Christopher Stewart and Nathaniel Morris and Devesh Tiwari and Yuxiong He and Sameh Elnikety
ACM Transactions on Modeling and Performance Evaluation of Computing Systems
New York, NY, 2017


[ICAC 2016] PDFPPTBibtex
Sprint Ability: How Well Does Your Software Exploit Bursts in Processing Capacity?
Nathaniel Morris and Siva Renganathan and Christopher Stewart and Robert Birke and Lydia Chen
IEEE International Conference on Autonomic Computing
Wurzburg, Germany, 2016


[ICAC 2016] PDFPPTBibtex
Adaptive Power Profiling for Many-Core HPC Architectures
Jaimie Kelley and Christopher Stewart and Devesh Tiwari and Saurabh Gupta
IEEE International Conference on Autonomic Computing
Wurzburg, Germany, 2016


[GSNC 2016] PDFPPTBibtex
Green- and Heterogeneity-Aware Partitioning for Data Analytics
Aniket Chakrabarti and Christopher Stewart and Srini Parthasarathy
IEEE International Workshop on Green and Sustainable Networking and Computing
San Francisco, CA, 2016


[Infocom 2016] PDFPPTBibtex
Blending On-Demand and Spot Instances to Lower Costs for In-Memory Storage (Winner Best-In-Session Presentation)
Zichen Xu and Christopher Stewart and Nan Deng and Xiaorui Wang
IEEE International Conference on Computer Communications
San Francisco, CA, 2016


[IGSC 2015] PDFPPTBibtex
Tell-Tale Tails: Decomposing Response Times for Live Internet Services
Nan Deng, Zichen Xu, Christopher Stewart and Xiaorui Wang
IEEE International Green and Sustainable Computing Conference
Las Vegas, NV, 2015


[IGSC 2015] PDFPPTBibtex
Power-Utilization Provisioning for Data Centers
Christopher Stewart and Jing Li
IEEE International Green and Sustainable Computing Conference
Las Vegas, NV, 2015


[ICAC 2015] PDFPPTBibtex
Measuring and Managing Answer Quality for Online Data-Intensive Services
Jamie Kelley and Christopher Stewart and Devesh Tiwari and Yuxiong He and Sameh Elnikey and Nathaniel Morris
IEEE International Conference on Autonomic Computing
Grenoble France, 2015


[ICAC 2015] PDFPPTBibtex
CADRE: Carbon-Aware Data Replication for Geo-Diverse Services
Zichen Xu and Nan Deng and Christopher Stewart and Xiaorui Wang
IEEE International Conference on Autonomic Computing
Grenoble France, 2015


[ASPLOS WACI] PDFPPTBibtex
Tortoises and Hares Among Online Data-Intensive Queries
Christopher Stewart and Jaimie Kelley
ACM Wild and Crazy Ideas of ASPLOS 2015
Instanbul Turkey, 2015


[Feedback Computing 14] PDFPPTBibtex
From the Outside Looking In: Probing Web APIs to Build Detailed Workload Profiles
Nan Deng and Zichen Xu and Christopher Stewart and Xiaorui Wang
USENIX Workshop on Feedback Computing
Philadelphia, PA, 2014


[IEEE IC2E 2014] PDFPPTBibtex
Managing Tiny Tasks for Data-Parallel, Subsampling Workloads
Sundeep Kambhampati, Jaimie Kelley, William C.L. Stewart, Christopher Stewart, and Rajiv Ramnath
IEEE International Conference on Cloud Engineering
Boston, MA, 2014


[ACM LADIS 2013] PDFPPTBibtex
Cache Provisioning for Interactive NLP Services
Jaimie Kelley, Christopher Stewart, Sameh Elnikety, and Yuxiong He
ACM Large and Distributed Systems and Middleware
Nemacolin, PA, 2013


[DCPerf 2013] PDFPPTBibtex
Balanced and Predictable Networked Storage
Jaimie Kelley and Christopher Stewart
IEEE International Workshop on Data Center Performance
Philadelphia, PA, 2013


[USENIX ICAC 2013] PDFPPTBibtex
Zoolander: Efficiently Meeting Very Strict, Low-Latency SLOs
Christopher Stewart, Aniket Chakrabarti, and Rean Griffith
IEEE International Conference on Autonomic Computing
San Jose, CA, 2013


[ICAC 2012] PDFPPTBibtex
Adaptive Green Hosting
Nan Deng, Christopher Stewart, Jaimie Kelley, Daniel Gmach and Martin Arlitt
IEEE International Conference on Autonomic Computing
San Jose, CA, 2012


[Greenmetrics 2012] PDFPPTBibtex
Electric Grid Balancing through Low-Cost Workload Migration
David Chiu, Christopher Stewart, and Bart McManus
ACM GreenMetrics Workshop
London, UK, 2012


[NOMS 2012 (short paper)] PDFPPTBibtex
Policy and Mechanism for Carbon-Aware Cloud Applications
Nan Deng, Christopher Stewart, Daniel Gmach, and Martin Arlitt
IEEE Network Operations and Management Symposium
Maui, Hawaii, 2012


[NOMS 2012] PDFPPTBibtex
Carbon-Aware Cloud Application
Nan Deng
IEEE Network Operations and Management Symposium
Maui, Hawaii, 2012


[WEED 2011] PDFPPTBibtex
Power Provisioning for Diverse Datacenter Workloads
Christopher Stewart and Jing Li
ACM Workshop on Energy-Efficient Design
San Jose, CA, 2011


[ISSST 2011] PDFPPTBibtex
Concentrating Renewable Energy in Grid-Tied Datacenters
(awarded of Third Best Paper)

Nan Deng, Christopher Stewart, and Jing Li
IEEE International Symposium on Sustainable Systems Technology
Chicago, IL, 2011


[MASCOTS 2010] PDFPPTBibtex
EntomoModel: Understanding and Avoiding Performance Anomaly Manifestations (winner of Best Paper Award)
Christopher Stewart, Kai Shen, Arun Iyengar, and Jian Yin
IEEE Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems
Miami Beach, FL, 2010


[HotPower 2009] PDFPPTBibtex
Some Joules Are More Precious Than Others: Managing Renewable Energy in the Datacenter
Christopher Stewart and Kai Shen
ACM Workshop on Power Aware Computing and Systems
Big Sky, MT, October 2009


[SIGMETRICS 2009] PDFPPTBibtex
Reference-Driven Performance Anomaly Identification
Kai Shen, Christopher Stewart, Chuanpeng Li, and Xin Li
ACM International Conference on Measurement and Modeling of Computer Systems
Seattle, WA, June 2009


[MASCOTS 2008] PDFPPTBibtex
Operational Analysis of Parallel Servers
Terence Kelly, Kai Shen, Alex Zhang, and Christopher Stewart
Modeling, Analysis, and Simulation of Computer and Telecommunication Systems
Baltimore, MD, September 2008


[IISWC 2008] PDFPPTBibtex
Empirical Examination of A Collaborative Web Application
Christopher Stewart, Matthew Leventi, and Kai Shen
IEEE International Symposium on Workload Characterization (special session on Benchmark Innovation)
Seattle, WA, September 2008


[LADiS 2008] PDFPPTBibtex
Configuration-Space Performance Anomaly Depiction
Christopher Stewart and Kai Shen
Workshop on Large Scale Distributed Systems and Middleware
Yorktown, NY, September 2008


[LADiS 2008] PDFPPTBibtex
Challenges Facing Tomorrow's Datacenter: Summary of the LADiS Workshop
Robbert van Renesse, Rodrigo Rodrigues, Mike Spreitzer, Christopher Stewart, Doug Terry, and Franco Travostino
Workshop on Large Scale Distributed Systems and Middleware
Yorktown, NY, September 2008


[SPAA 2008] PDFPPTBibtex
Operational Analysis of Processor Speed Scaling
Kai Shen, Alex Zhang, Terence Kelly, Christopher Stewart
Brief Announcement at the Symposium on Parallelism in Algorithms and Architectures
Munich, Germany, June 2008


[USENIX 2008] PDFPPTBibtex
A Dollar From 15 Cents: Cross-Platform Management for Internet Services
Christopher Stewart, Terence Kelly, Alex Zhang, and Kai Shen
USENIX Annual Technical Conference
Boston, MA, June 2008


[WACI VI] PDFPPTBibtex
Re-Evaluating the Evalution-- Does Performance Still Matter?
Christopher Stewart and Kai Shen
Abstract for the Wild and Crazy Ideas Session of ASPLOS
Seattle, Washington, March 2008


[ASPLOS 2008] PDFPPTBibtex
Hardware Counter Driven On-the-Fly Request Signatures
Kai Shen, Ming Zhong, Sandhya Dwarkadas, Chuanpeng Li, Christopher Stewart, and Xiao Zhang
Conference on Architectural Support for Programming Languages and Operating Systems
Seattle, WA, March 2008


[FeBiD 2007] PDFPPTBibtex
AutoParam: Automated Control of Application-Level Performance in Virtualized Server Environments
Zhikui Wang, Xue Liu, Alex Zhang, Christopher Stewart, Xiaoyun Zhu, and Terence Kelly
Feedback Control Implementation and Design in Computing Systems and Networks
Munich, Germany, May 2007


[Eurosys 2007] PDFPPTBibtex
Exploiting Nonstationarity For Performance Prediction
Christopher Stewart, Terence Kelly, and Alex Zhang
European Conference on Computer Systems
Lisbon, Portugal, March 2007


[HotDep 2006] PDFPPTBibtex
Comprehensive Depiction of Configuration-dependent Performance Anomalies in Distributed Server Systems
Christopher Stewart, Ming Zhong, Kai Shen, and Tom O'Neill
USENIX Hot Topics in System Dependability
Seattle, Washington, December 2006


[SIGCSE 2006] PDFPPTBibtex
Realism and Simplicity: Disk Simulation for Instructional OS Performance Evaluation
Peter Derosa, Kai Shen, Christopher Stewart, and Jonathon Pearson
ACM SIGCSE Technical Symposium
Houston, Texas, March 2006


[ARM 2005] PDFPPTBibtex
Adaptive Middleware for Component-Level Deployment
Mick Jordan and Christopher Stewart
Workshop on Adaptive and Reflective Middleware
Grenoble, France, November 2005


[NSDI 2005] PDFPPTBibtex
Performance Modeling and System Management for Multi-component Online Services
Christopher Stewart and Kai Shen
Symposium on Networked Systems Design and Implementation
Boston, MA, May 2005


[MIDDLEWARE 2004] PDFPPTBibtex
Profile-driven Component Placement for Cluster-based Online Services
Christopher Stewart, Kai Shen, Sandhya Dwarkadas, Michael L. Scott, and Jian Yin
International Middleware Conference
Toronto, ON, November 2004