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- research-articleOctober 2024
Deep Learning-Based Compressed Sensing for Mobile Device-Derived Sensor Data
CIKM '24: Proceedings of the 33rd ACM International Conference on Information and Knowledge ManagementPages 5023–5030https://doi.org/10.1145/3627673.3680050As the capabilities of smart sensing and mobile technologies continue to evolve and expand, storing diverse sensor data on smartphones and cloud servers becomes increasingly challenging. Effective data compression is crucial to alleviate these storage ...
- research-articleJuly 2024
Robust and Homomorphic Covert Channels in Streams of Numeric Data
ARES '24: Proceedings of the 19th International Conference on Availability, Reliability and SecurityArticle No.: 79, Pages 1–4https://doi.org/10.1145/3664476.3670879A steganographic network storage channel that uses a carrier with a stream of numeric data must consider the possibility that the carrier data is processed before the covert receiver can extract the secret data. A sensor data stream, which we take as an ...
- research-articleJune 2024
Generating Multivariate Synthetic Time Series Data for Absent Sensors from Correlated Sources
NetAISys '24: Proceedings of the 2nd International Workshop on Networked AI SystemsPages 19–24https://doi.org/10.1145/3662004.3663553Missing sensor data in human activity recognition is an active field of research that is being targeted with generative models for synthetic data generation. In contrast to most previous approaches, we aim to generate data of a sensor exclusively from ...
- research-articleApril 2024
FamilyScope: Visualizing Affective Aspects of Family Social Interactions using Passive Sensor Data
Proceedings of the ACM on Human-Computer Interaction (PACMHCI), Volume 8, Issue CSCW1Article No.: 57, Pages 1–27https://doi.org/10.1145/3637334This work presents FamilyScope, a sensor-based family informatics system that enables reflection upon family data collected from family activity scenarios (e.g., game playing and movie watching) that include affective aspects of a family's social ...
- research-articleJuly 2024
Unsupervised Adversarial Domain Adaptation for Estimating Occupancy and Recognizing Activities in Smart Buildings
ICIIT '24: Proceedings of the 2024 9th International Conference on Intelligent Information TechnologyPages 114–123https://doi.org/10.1145/3654522.3654541In the last two decades, smart buildings have profited from AI-based approaches to create smart applications that provide several advantages such as energy efficiency and security. In particular, occupancy estimation (OE) and activity recognition (AR) ...
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- research-articleJanuary 2024
An unsupervised anomaly detection framework for smart assisted living via growing neural gas networks
Journal of Ambient Intelligence and Smart Environments (JAISE), Volume 16, Issue 3Pages 365–387https://doi.org/10.3233/AIS-230436In this study, we present a novel framework for detecting anomalies in everyday activities within a smart-home environment. Our method utilizes the growing neural gas (GNG) concept to dynamically adapt to the changing behaviors of monitored individuals, ...
- articleSeptember 2023
An Efficient Machine Learning-Based Cluster Analysis Mechanism for IoT Data
International Journal of Hyperconnectivity and the Internet of Things (IJHIOT), Volume 7, Issue 1Pages 1–14https://doi.org/10.4018/IJHIoT.330680The prevailing developments in internet of things (IoT) and other sensor technologies such as cyber physical systems (CPS) and wireless sensor networks (WSNs), the huge amount of sensor data has been generating from various IoT devices and protocols. ...
- research-articleJuly 2023
BraidFlow: A Flow-annotated Dataset of Kumihimo Braidmaking Activity
DIS '23: Proceedings of the 2023 ACM Designing Interactive Systems ConferencePages 839–855https://doi.org/10.1145/3563657.3596026Entering a cognitive state of flow is a natural response of the mind that allows people to fully concentrate and cope with tedious, and often repetitive tasks. Understanding how to trigger or sustain flow remains limited by retrospective surveys, ...
- short-paperAugust 2023
An LLVM-Inspired Framework for Unified Processing of Multimodal Time-Series Data
PETRA '23: Proceedings of the 16th International Conference on PErvasive Technologies Related to Assistive EnvironmentsPages 91–94https://doi.org/10.1145/3594806.3594812Groups of sensors collecting time-series data in a variety of modalities are widely used for monitoring humans, environments, and equipment. Datasets with multimodal sensor data pose several challenges not present in many image or language datasets; ...
- research-articleApril 2023
Generalized Zero-Shot Activity Recognition with Embedding-Based Method
ACM Transactions on Sensor Networks (TOSN), Volume 19, Issue 3Article No.: 72, Pages 1–25https://doi.org/10.1145/3582690Sensor-based human activity recognition aims to recognize the activities performed by people with the sensor readings. Most of existing works in this area rely on supervised classification algorithms, and can only recognize activities covered by the ...
- research-articleJanuary 2023
A novel ensemble learning approach for fault detection of sensor data in cyber-physical system
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology (JIFS), Volume 45, Issue 6Pages 12111–12122https://doi.org/10.3233/JIFS-235809Cyber-physical systems (CPS) play a pivotal role in various critical applications, ranging from industrial automation to healthcare monitoring. Ensuring the reliability and accuracy of sensor data within these systems is of paramount importance. This ...
- research-articleJanuary 2023
Short-term time series forecasting for multi-site municipal solid waste management
Procedia Computer Science (PROCS), Volume 220, Issue CPages 170–179https://doi.org/10.1016/j.procs.2023.03.024AbstractSmart containers equipped with ultrasonic sensors at waste and recycle facilities allow waste and recycling companies to build a more efficient and data-driven approach for the collection of municipal solid waste (MSW). In this paper, we propose ...
- research-articleMarch 2023
Exploring the Quality of Dynamic Open Government Data for Developing Data Intelligence Applications: The Case of Attica Traffic Data
PCI '22: Proceedings of the 26th Pan-Hellenic Conference on InformaticsPages 102–109https://doi.org/10.1145/3575879.3575974Dynamic data (including environmental, traffic, and sensor generated data) were, recently, recognised as an important part of the Open Government Data (OGD) movement. These data are of vital importance in the development of data intelligence ...
- research-articleAugust 2022
SciTS: A Benchmark for Time-Series Databases in Scientific Experiments and Industrial Internet of Things
SSDBM '22: Proceedings of the 34th International Conference on Scientific and Statistical Database ManagementArticle No.: 12, Pages 1–11https://doi.org/10.1145/3538712.3538723Time-series data has an increasingly growing usage in Industrial Internet of Things (IIoT) and large-scale scientific experiments. Managing time-series data needs a storage engine that can keep up with their constantly growing volumes while providing ...
- research-articleAugust 2022
Searching Top-K Similar Moving Videos
HP3C '22: Proceedings of the 6th International Conference on High Performance Compilation, Computing and CommunicationsPages 168–174https://doi.org/10.1145/3546000.3546026The application of sensors enables mobile devices to generate amounts of content-aware data, such as trajectory, gyro, and video data. Moving video is an emerging new type of moving object that can provide a potential source for geo-referenced ...
- research-articleAugust 2022
Road Bump Outlier Detection of Moving Videos Based on Domestic Kylin Operating System
HP3C '22: Proceedings of the 6th International Conference on High Performance Compilation, Computing and CommunicationsPages 137–143https://doi.org/10.1145/3546000.3546021With the increasing number of moving videos, anomaly detection of moving videos has become a popular data mining task in the field of intelligent transportation. Traditional road anomaly detection algorithms are hard to detect road bump outliers while ...
- research-articleMay 2022
Blockchain-based Secure Medical Data Management and Disease Prediction
BSCI '22: Proceedings of the Fourth ACM International Symposium on Blockchain and Secure Critical InfrastructurePages 71–82https://doi.org/10.1145/3494106.3528678Healthcare systems based on the Internet of Things have an increasing demand for health sensing technology. To manage the data collected and sampled by medical devices, traditional centralized data management will lead to attacks such as single point of ...
- research-articleFebruary 2022
Dynamic Detection of Mobile Malware Using Smartphone Data and Machine Learning
Digital Threats: Research and Practice (DTRAP), Volume 3, Issue 2Article No.: 9, Pages 1–24https://doi.org/10.1145/3484246Mobile malware are malicious programs that target mobile devices. They are an increasing problem, as seen with the rise of detected mobile malware samples per year. The number of active smartphone users is expected to grow, stressing the importance of ...
- research-articleJanuary 2022
Data Conceptual Model for Smart Poultry Farm Management System
Procedia Computer Science (PROCS), Volume 200, Issue CPages 517–526https://doi.org/10.1016/j.procs.2022.01.249AbstractInternet of things provides ways to obtain information about farm production; however, the more data there is, the harder it is to determine the correct way to process these data. The solutions on the market are aimed specifically at gathering ...
- research-articleDecember 2021
KATN: Key Activity Detection via Inexact Supervised Learning
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 5, Issue 4Article No.: 189, Pages 1–26https://doi.org/10.1145/3494957Leveraging sensor data of mobile devices and wearables, activity detection is a critical task in various intelligent systems. Most recent work train deep models to improve the accuracy of recognizing specific human activities, which, however, rely on ...