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- research-articleSeptember 2024
Trusted Model Aggregation With Zero-Knowledge Proofs in Federated Learning
IEEE Transactions on Parallel and Distributed Systems (TPDS), Volume 35, Issue 11Pages 2284–2296https://doi.org/10.1109/TPDS.2024.3455762This paper proposes a new global model aggregation method based on using zero-knowledge federated learning (ZKFL). The purpose is to secure horizontal or P2P federated machine learning systems with shorter aggregation times, higher model accuracy, and ...
- ArticleAugust 2024
NexusDB: A Large-Scale Distributed Time-Series Database for Industrial Scenarios
AbstractWith the development of Industrial Internet of Things (IIoT) and sensor technology, the speed and volume of data generation in industrial environments are rapidly increasing.In these settings, sensors continuously generate large volumes of data, ...
- research-articleSeptember 2024
OFHE: An Electro-Optical Accelerator for Discretized TFHE
ISLPED '24: Proceedings of the 29th ACM/IEEE International Symposium on Low Power Electronics and DesignPages 1–6https://doi.org/10.1145/3665314.3670839This paper presents OFHE, an electro-optical accelerator designed to process Discretized TFHE (DTFHE) operations, which encrypt multi-bit messages and support homomorphic multiplications, lookup table operations and full-domain functional bootstrappings. ...
- ArticleSeptember 2024
- ArticleSeptember 2024
Enhancing Sentiment Analysis for Chinese Texts Using a BERT-Based Model with a Custom Attention Mechanism
AbstractThe rise of social media has made automatic emotion recognition from extensive texts crucial in NLP(Natural language processing). Traditional sentiment analysis focuses on basic positive or negative sentiments, neglecting the broader spectrum of ...
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- research-articleJune 2024
Forward-Compatible Integrated Sensing and Communication for WiFi
IEEE Journal on Selected Areas in Communications (JSAC), Volume 42, Issue 9Pages 2440–2456https://doi.org/10.1109/JSAC.2024.3413955Given the fact that WiFi-based sensing can be realized through the reuse of WiFi communication facilities and frequency bands, integrated sensing and communication (ISAC) emerges as a pivotal direction for future WiFi standards, such as IEEE 802.11bf. ...
- research-articleJune 2024
Face Recognition In Harsh Conditions: An Acoustic Based Approach
MOBISYS '24: Proceedings of the 22nd Annual International Conference on Mobile Systems, Applications and ServicesPages 1–14https://doi.org/10.1145/3643832.3661855The accuracy of vision-based face recognition suffers in challenging scenarios, such as foggy or smoky weather, poor lighting, and blockage by objects like facial masks. This paper proposes an acoustic-based facial recognition system based on acoustic ...
- research-articleMay 2024
A water-land-energy-carbon nexus evaluation of agricultural sustainability under multiple uncertainties: The application of a multi-attribute group decision method determined by an interval-valued intuitionistic fuzzy set
Expert Systems with Applications: An International Journal (EXWA), Volume 242, Issue Chttps://doi.org/10.1016/j.eswa.2023.122833Highlights- A multi-attribute group decision method based on the interval-valued intuitionistic fuzzy set is proposed.
- A sustainability evaluation of an agricultural water-land-energy-carbon nexus is provided.
- Multidimensional indicators are ...
The interactions between agricultural subsystems, resource scarcity and ecological degradation increase the need for agricultural sustainability assessments in relation to water, land, energy and carbon emissions. In addition, uncertainties ...
- research-articleJuly 2024
Elucidating immune cell dynamics in chronic lung allograft dysfunction: A comprehensive single-cell transcriptomic study
Computers in Biology and Medicine (CBIM), Volume 173, Issue Chttps://doi.org/10.1016/j.compbiomed.2024.108254AbstractChronic Lung Allograft Dysfunction (CLAD) is a critical post-transplant complication that predominantly determines the long-term survival rates and quality of life of patients undergoing lung transplantation. The limited efficacy of current ...
Highlights- We elucidated a unique immunological landscape in CLAD compared to healthy controls.
- Enrichment analysis identified specific pathways that are either overactive or suppressed in CLAD.
- Our findings emphasize the crucial role of T ...
- research-articleFebruary 2024
Penetrative AI: Making LLMs Comprehend the Physical World
HOTMOBILE '24: Proceedings of the 25th International Workshop on Mobile Computing Systems and ApplicationsPages 1–7https://doi.org/10.1145/3638550.3641130Recent developments in Large Language Models (LLMs) have demonstrated their remarkable capabilities across a range of tasks. Questions, however, persist about the nature of LLMs and their potential to integrate common-sense human knowledge when ...
- research-articleJuly 2024
Nonlinear Dynamic Analysis on Dual-Rotor-Bearing-Casing System for Marine Gas Turbine
Taking the marine gas turbine as a research background, a dual-rotor-bearing-casing system model was established considering the bearing nonlinearities and unbalanced excitation. Based on Lagrange’s equation of motion and rotor dynamics theory, the ...
- introductionDecember 2023
Introduction to the Special Issue on Wireless Sensing for IoT
ACM Transactions on Internet of Things (TIOT), Volume 4, Issue 4Article No.: 21, Pages 1–4https://doi.org/10.1145/3633078ACM TIOT launched its first special issue on the theme of wireless sensing for IoT. As an important component of the special issue and a novel practice of the journal, an online virtual workshop will be held, with presentations for each of the accepted ...
- research-articleDecember 2023
Efficient Cone Singularity Construction for Conformal Parameterizations
ACM Transactions on Graphics (TOG), Volume 42, Issue 6Article No.: 235, Pages 1–13https://doi.org/10.1145/3618407We propose an efficient method to construct sparse cone singularities under distortion-bounded constraints for conformal parameterizations. Central to our algorithm is using the technique of shape derivatives to move cones for distortion reduction ...
- research-articleApril 2024
Construct 3D Hand Skeleton with Commercial WiFi
SenSys '23: Proceedings of the 21st ACM Conference on Embedded Networked Sensor SystemsPages 322–334https://doi.org/10.1145/3625687.3625812This paper presents HandFi, which constructs hand skeletons with practical WiFi devices. Unlike previous WiFi hand sensing systems that primarily employ predefined gestures for pattern matching, by constructing the hand skeleton, HandFi can enable a ...
- research-articleOctober 2023
Large-scale Video Analytics with Cloud–Edge Collaborative Continuous Learning
ACM Transactions on Sensor Networks (TOSN), Volume 20, Issue 1Article No.: 14, Pages 1–23https://doi.org/10.1145/3624478Deep learning–based video analytics demands high network bandwidth to ferry the large volume of data when deployed on the cloud. When incorporated at the edge side, only lightweight deep neural network (DNN) models are affordable due to computational ...
- research-articleOctober 2023
Practically Adopting Human Activity Recognition
ACM MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing and NetworkingArticle No.: 85, Pages 1–15https://doi.org/10.1145/3570361.3613299Existing inertial measurement unit (IMU) based human activity recognition (HAR) approaches still face a major challenge when adopted across users in practice. The severe heterogeneity in IMU data significantly undermines model generalizability in wild ...
- research-articleOctober 2023
SenCom: Integrated Sensing and Communication with Practical WiFi
ACM MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing and NetworkingArticle No.: 60, Pages 1–16https://doi.org/10.1145/3570361.3613274Given the fact that WiFi-based sensing can be realized by reusing WiFi communication facilities and communication frequency bands, integrated sensing and communication (ISAC) is considered a crucial development direction for future WiFi standards, such ...
- ArticleNovember 2023
- research-articleJuly 2023
Evolutionary Piecewise Developable Approximations
ACM Transactions on Graphics (TOG), Volume 42, Issue 4Article No.: 120, Pages 1–14https://doi.org/10.1145/3592140We propose a novel method to compute high-quality piecewise developable approximations for triangular meshes. Central to our approach is an evolutionary genetic algorithm for optimizing the combinatorial and discontinuous fitness function, including the ...
- research-articleJuly 2023
XCopy: Boosting Weak Links for Reliable LoRa Communication
ACM MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing and NetworkingArticle No.: 14, Pages 1–15https://doi.org/10.1145/3570361.3592516LoRaWAN suffers dramatic performance degradation over a long communication range due to signal attenuation and blockages. To ensure reliable data transfer, LoRaWAN adopts retransmission mechanism where an unacknowledged packet is retransmitted ...