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- research-articleApril 2024
Totoro: A Scalable Federated Learning Engine for the Edge
EuroSys '24: Proceedings of the Nineteenth European Conference on Computer SystemsPages 182–199https://doi.org/10.1145/3627703.3629575Federated Learning (FL) is an emerging distributed machine learning (ML) technique that enables in-situ model training and inference on decentralized edge devices. We propose Totoro, a novel scalable FL engine, that enables massive FL applications to run ...
- research-articleNovember 2023Best Paper
Sora: A Latency Sensitive Approach for Microservice Soft Resource Adaptation
Middleware '23: Proceedings of the 24th International Middleware ConferencePages 43–56https://doi.org/10.1145/3590140.3592851Fast response time for modern web services that include numerous distributed and lightweight microservices becomes increasingly important due to its business impact. While hardware-only resource scaling approaches (e.g., FIRM [47] and PARSLO [40]) have ...
- research-articleAugust 2023
Adaptive Fragment-Based Parallel State Recovery for Stream Processing Systems
IEEE Transactions on Parallel and Distributed Systems (TPDS), Volume 34, Issue 8Pages 2464–2478https://doi.org/10.1109/TPDS.2023.3251997Today, large-scale cloud organizations are deploying datacenters and “edge” clusters globally to provide low-latency access to services. Running stream applications across geo-distributed sites are emerging as a daily requirement. However, ...
- posterMarch 2023
Early Introduction to Computer Architecture in K-12
SIGCSE 2023: Proceedings of the 54th ACM Technical Symposium on Computer Science Education V. 2Page 1331https://doi.org/10.1145/3545947.3576277Computer science and engineering students in college get introduced to high-level language programming (Java, C++, Python) early in their first year and later to computer organization and architecture courses. Most students lack a clear understanding of ...
- research-articleOctober 2021
Sense of Belonging of Female Undergraduate Students in Introductory Computer Science Courses at University of Brasília in Brazil
- Maristela Holanda,
- Aleteia Araujo,
- Dilma Da Silva,
- George von Borries,
- Roberta B. Oliveira,
- Carla Cavalcante Koike,
- Carla D. Castanho
2021 IEEE Frontiers in Education Conference (FIE)Pages 1–6https://doi.org/10.1109/FIE49875.2021.9637281Full Paper - The field of Computer Science (CS) has been of little interest to women straight out of high school when considering undergraduate majors in Brazil. At the University of Brasília, a top-ten university in Brazil, female undergraduate ...
- research-articleOctober 2021
Source Code Plagiarism Detection in an Educational Context: A Literature Mapping
2021 IEEE Frontiers in Education Conference (FIE)Pages 1–9https://doi.org/10.1109/FIE49875.2021.9637155Detection of plagiarism in students' source codes in college-level programming courses is an important topic for instructors and institutions that seek to pursue project-based learning while enforcing honor codes and maintaining traditional grade-...
When threads meet events: efficient and precise static race detection with origins
PLDI 2021: Proceedings of the 42nd ACM SIGPLAN International Conference on Programming Language Design and ImplementationPages 725–739https://doi.org/10.1145/3453483.3454073Data races are among the worst bugs in software in that they exhibit non-deterministic symptoms and are notoriously difficult to detect. The problem is exacerbated by interactions between threads and events in real-world applications. We present a novel ...
- research-articleOctober 2020
The Intellectual Sense of Belonging and Self-efficacy in the Introduction to Computer Science Courses at University of Brasilia in Brazil
- Maristela Holanda,
- George von Borries,
- Dilma da Silva,
- Camilo Dorea,
- Roberta B. Oliveira,
- Edison Ishikawa
2020 IEEE Frontiers in Education Conference (FIE)Pages 1–8https://doi.org/10.1109/FIE44824.2020.9274010Research Full Paper Most top universities in Brazil are public government institutions and tuition free. However, until recently, access to these institutions has been limited by extremely difficult entrance exams. The high standards at public ...
- posterFebruary 2020
What does a Literature Survey Reveal about the Initiatives to Attract and Retain Women into Computer Science Majors in Latin America?
SIGCSE '20: Proceedings of the 51st ACM Technical Symposium on Computer Science EducationPage 1316https://doi.org/10.1145/3328778.3372621Among the many papers describing initiatives to recruit and re- tain women into Computer Science (CS) majors, the vast majority focus on the United States and Europe. This poster addresses the research question: "What does the literature tell us about ...
- ArticleJune 2019
Correction to: Cloud Computing – CLOUD 2019
The original version of the book was revised; the following corrections have been incorporated:
In Chapter “An Approach to Failure Prediction in Cluster by Self-Updating Cause-and-Effect Graph”:
- Typographical errors throughout the chapter were corrected
- ...
- reportMay 2018
Data Storage Research Vision 2025: Report on NSF Visioning Workshop held May 30--June 1, 2018
- George Amvrosiadis,
- Ali R. Butt,
- Vasily Tarasov,
- Erez Zadok,
- Ming Zhao,
- Irfan Ahmad,
- Remzi H. Arpaci-Dusseau,
- Feng Chen,
- Yiran Chen,
- Yong Chen,
- Yue Cheng,
- Vijay Chidambaram,
- Dilma Da Silva,
- Angela Demke-Brown,
- Peter Desnoyers,
- Jason Flinn,
- Xubin He,
- Song Jiang,
- Geoff Kuenning,
- Min Li,
- Carlos Maltzahn,
- Ethan L. Miller,
- Kathryn Mohror,
- Raju Rangaswami,
- Narasimha Reddy,
- David Rosenthal,
- Ali Saman Tosun,
- Nisha Talagala,
- Peter Varman,
- Sudharshan Vazhkudai,
- Avani Waldani,
- Xiaodong Zhang,
- Yiying Zhang,
- Mai Zheng
With the emergence of new computing paradigms (e.g., cloud and edge computing, big data, Internet of Things (IoT), deep learning, etc.) and new storage hardware (e.g., non-volatile memory (NVM), shingled-magnetic recording (SMR) disks, and kinetic drives,...
- research-articleOctober 2017
Container lifecycle management for edge nodes: poster
SEC '17: Proceedings of the Second ACM/IEEE Symposium on Edge ComputingArticle No.: 23, Pages 1–2https://doi.org/10.1145/3132211.3132453Internet-of-things (IoT) technology has been widely adopted in environment control and monitoring applications [2]. Many of these applications actuate in the environment based on results from data analysis that surpass the computational capacities of ...
- ArticleMay 2012
Switching Optically-Connected Memories in a Large-Scale System
IPDPS '12: Proceedings of the 2012 IEEE 26th International Parallel and Distributed Processing SymposiumPages 727–738https://doi.org/10.1109/IPDPS.2012.71Recent trends in processor and memory systems in large-scale computing systems reveal a new "memory wall" that prompts investigation on alternate main memory organization separating main memory from processors and arranging them in separate ensembles. ...
- ArticleNovember 2003
Adaptive Compressed Caching: Design and Implementation
In this paper, we reevaluate the use of adaptive compressed caching in order to improve system performance through reduction of accesses to the backing stores. We propose a new and simple adaptability policy that adjusts the compressed cache size on-the-...