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- posterJune 2024
Optimizing Data Analytics Workflows through User-driven Experimentation
CAIN '24: Proceedings of the IEEE/ACM 3rd International Conference on AI Engineering - Software Engineering for AIApril 2024, pp 253–255https://doi.org/10.1145/3644815.3644971In the Big Data era, efficient data analytics workflows are imperative to extract useful and meaningful insights. Data analysts and scientists spend an inordinate amount of time finding the best workflow via trial and error to get accurate and meaningful ...
- research-articleJune 2024
Local Minima in Quantum Systems
STOC 2024: Proceedings of the 56th Annual ACM Symposium on Theory of ComputingJune 2024, pp 1323–1330https://doi.org/10.1145/3618260.3649675Finding ground states of quantum many-body systems is known to be hard for both classical and quantum computers. As a result, when Nature cools a quantum system in a low-temperature thermal bath, the ground state cannot always be found efficiently. ...
- short-paperJune 2024
Multimodality in Media Retrieval
ICMR '24: Proceedings of the 2024 International Conference on Multimedia RetrievalMay 2024, pp 1219–1223https://doi.org/10.1145/3652583.3657583The quest for retrieving relevant media for a given query is well-studied and has various applications. Modern publicly available media collections provide diverse modalities of the same objects, which can enhance search. Our research delves into ...
- research-articleJune 2024
The four-fifths rule is not disparate impact: A woeful tale of epistemic trespassing in algorithmic fairness
FAccT '24: Proceedings of the 2024 ACM Conference on Fairness, Accountability, and TransparencyJune 2024, pp 764–775https://doi.org/10.1145/3630106.3658938Computer scientists are trained in the art of creating abstractions that simplify and generalize. However, a premature abstraction that omits crucial contextual details creates the risk of epistemic trespassing, by falsely asserting its relevance into ...
- short-paperJune 2024
Poster: Towards Pub/Sub Multimodal Data Transmission in IoT Environment
MOBISYS '24: Proceedings of the 22nd Annual International Conference on Mobile Systems, Applications and ServicesJune 2024, pp 658–659https://doi.org/10.1145/3643832.3661408In this paper, we propose a system framework of Pub/Sub-based multimodal data transmission to mobile terminals. For various sensors, we classify the data in different topics, but transmit them in the uniform data channel, with different transmission ...
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- short-paperJune 2024
Poster: Four Eyes See More Than Two: Collective Intelligence Schemes for Virtual Cluster Allocation
MOBISYS '24: Proceedings of the 22nd Annual International Conference on Mobile Systems, Applications and ServicesJune 2024, pp 652–653https://doi.org/10.1145/3643832.3661404With the benefit of virtualization technology and an ascending trend towards more cloud applications, virtual cluster (VC) allocation concerning different requirements of application deployment is vital to cloud datacenters and edge networks. Most of the ...
- research-articleJune 2024
Performance Analysis and Optimizations of ERO2.0 Fusion Code
PASC '24: Proceedings of the Platform for Advanced Scientific Computing ConferenceJune 2024, Article No.: 18, pp 1–11https://doi.org/10.1145/3659914.3659932In this paper, we present a thorough performance analysis of a highly parallel Monte Carlo code for modeling global erosion and redeposition in fusion devices, ERO2.0. The study shows that the main bottleneck preventing the code from efficiently using ...
- research-articleMay 2024
Water Pump Operation Optimization under Dynamic Market and Consumer Behaviour
e-Energy '24: Proceedings of the 15th ACM International Conference on Future and Sustainable Energy SystemsJune 2024, pp 335–346https://doi.org/10.1145/3632775.3661969In the face of growing energy and water consumption, the pumping costs of water supply systems in high-rise buildings are on the rise. The state of practice uses statically configured water level thresholds or time-based triggers to activate water pumps,...
- research-articleMay 2024
Structural Designs Meet Optimality: Exploring Optimized LSM-tree Structures in a Colossal Configuration Space
Proceedings of the ACM on Management of Data (PACMMOD), Volume 2, Issue 3Article No.: 175, pp 1–26https://doi.org/10.1145/3654978Mainstream LSM-tree-based key-value stores face challenges in optimizing performance for point lookup, range lookup, and update operations concurrently due to their constrained configurations. They typically follow fixed patterns to specify the level ...
- research-articleMay 2024
Mambas: Maneuvering Analog Multi-User Beamforming using an Array of Subarrays in mmWave Networks
ACM MobiCom '24: Proceedings of the 30th Annual International Conference on Mobile Computing and NetworkingMay 2024, pp 694–708https://doi.org/10.1145/3636534.3649390Beyond-5G and 6G wireless networks exploit the millimeter-wave (mmWave) frequency bands to achieve significantly improved data rates, and existing mmWave systems rely on analog single-user beamforming (SUBF) or hybrid multi-user beamforming (MUBF). In ...
- research-articleMay 2024JUST ACCEPTED
Improving the exploitability of Simulated Adiabatic Bifurcation through a flexible and open-source digital architecture
Combinatorial Optimization (CO) problems exhibit exponential complexity, constraining classical computers from providing fast and satisfactory outcomes. Quantum Computers (QCs) can effectively find optimal or near-optimal solutions by exploring the ...
- research-articleMay 2024
Analytics and Optimization Reduce Sewage Overflows to Protect Community Waterways in Kentucky
- Diana Qing Tao,
- Martin Pleau,
- Angela Akridge,
- Olivier Fradet,
- François Grondin,
- Stephanie Laughlin,
- Wolffie Miller,
- Leslie Shoemaker
In partnership with Tetra Tech, the Louisville and Jefferson County Metropolitan Sewer District in Kentucky pioneered the application of software that relies on sewer-monitoring data, weather forecasting, and data analytics for system optimization. ...
The Louisville and Jefferson County Metropolitan Sewer District (Louisville MSD) in Kentucky uses operations research, advanced analytics, and innovative engineering concepts to protect local community waterways by optimizing the collection, transport, ...
- research-articleMay 2024
Safer Skies over Spain
- Verónica Elvira,
- Francisco Bernal,
- Pablo Hernandez-Coronado,
- Esperanza Herraiz,
- Cesar Alfaro,
- Javier Gomez,
- David Rios Insua
Agencia Estatal de Seguridad Aerea, the Spanish aviation safety and security agency, applied an innovative risk analysis methodology and decision support system, developed in partnership with the Spanish Royal Academy of Sciences, to improve Spain’s ...
Agencia Estatal de Seguridad Aerea, the Spanish aviation safety and security agency, applied an innovative risk-analysis methodology and decision support system, developed in partnership with the Spanish Royal Academy of Sciences, to improve Spain’s ...
- research-articleMay 2024
Bus Routing Optimization Helps Boston Public Schools Design Better Policies
The authors discuss how Boston Public Schools (BPS) and a team from Massachusetts Institute of Technology addressed the BPS bus routing problem. They developed an algorithm that decomposes and separately solves subproblems of assigning students to bus ...
In the winter of 2016, Boston Public Schools (BPS) launched a crowdsourcing national competition to create a better way to construct bus routes to improve efficiency, deepen the ability to model policy changes, and realign school start times. The winning ...
- research-articleMay 2024
View-Independent Adjoint Light Tracing for Lighting Design Optimization
ACM Transactions on Graphics (TOG), Volume 43, Issue 3Article No.: 35, pp 1–16https://doi.org/10.1145/3662180Differentiable rendering methods promise the ability to optimize various parameters of three-dimensional (3D) scenes to achieve a desired result. However, lighting design has so far received little attention in this field. In this article, we introduce a ...
- posterMay 2024
An Integer Linear Programming Model Based on Competences for Student-Industry Placement Allocation
SAC '24: Proceedings of the 39th ACM/SIGAPP Symposium on Applied ComputingApril 2024, pp 104–105https://doi.org/10.1145/3605098.3636173Allocating students to industry placements is a necessary task in educational contexts that need optimization techniques. This article proposes a novel integer linear programming model where, differently to other proposals, students' and businesses' ...
- research-articleMay 2024
Elysia: Optimizing JavaScript Web Framework
SAC '24: Proceedings of the 39th ACM/SIGAPP Symposium on Applied ComputingApril 2024, pp 1789–1796https://doi.org/10.1145/3605098.3636068As JavaScript and its backend web frameworks garnered mainstream adoption and played a pivotal role in today's industry, challenges of runtime performance, developer experience, and type safety are potential hindrances to scaling and maintainability.
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- research-articleMay 2024
Orchard: Heterogeneous Parallelism and Fine-grained Fusion for Complex Tree Traversals
ACM Transactions on Architecture and Code Optimization (TACO), Volume 21, Issue 2Article No.: 41, pp 1–25https://doi.org/10.1145/3652605Many applications are designed to perform traversals on tree-like data structures. Fusing and parallelizing these traversals enhance the performance of applications. Fusing multiple traversals improves the locality of the application. The runtime of an ...
- research-articleMay 2024
The Droplet Search Algorithm for Kernel Scheduling
ACM Transactions on Architecture and Code Optimization (TACO), Volume 21, Issue 2Article No.: 35, pp 1–28https://doi.org/10.1145/3650109Kernel scheduling is the problem of finding the most efficient implementation for a computational kernel. Identifying this implementation involves experimenting with the parameters of compiler optimizations, such as the size of tiling windows and ...
- research-articleMay 2024
A Game-theoretic Framework for Privacy-preserving Federated Learning
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 3Article No.: 52, pp 1–35https://doi.org/10.1145/3656049In federated learning, benign participants aim to optimize a global model collaboratively. However, the risk of privacy leakage cannot be ignored in the presence of semi-honest adversaries. Existing research has focused either on designing protection ...