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Deepali Gupta - IEEE Xplore Author Profile

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Author details

Deepali Gupta

Also published under: Deepa Gupta, Divya Gupta

Publications

137

Citations

572

Publications by Year

20132025

Co-Authors:

Reshu AgarwalShivani AgarwalSonam AggarwalShivangi AggarwalAhmed Al Ahdal

Show All Co-Authors (162)

Deepali Gupta

Also published under: Deepa Gupta, Divya Gupta

Affiliation

Chitkara University Institute of Engineering and Technology

Chitkara University

Punjab, India

Publication Topics

Machine Learning,
Learning Algorithms,
Deep Learning,
Internet Of Things,
Neural Network,
Convolutional Neural Network,
Support Vector Machine,
Artificial Neural Network,
Bibliometric Analysis,
Decision Tree,
Machine Learning Models,
Artificial Intelligence

Biography

Deepali Gupta is currently working as a Professor of research with the Chitkara University Research and Innovation Network (CURIN), Chitkara University, Punjab, India. She specializes in software engineering, cloud computing, the IoT, and genetic algorithms. She has worked with undergraduate and postgraduate students and research scholars throughout her career and plans to continue to involve students in her research and eager to participate in projects and guide independent student’s research. She has published more than 120 research papers in national and international journals and conferences. Based on these areas, she has guided many Ph.D. and M.E. scholars. She has worked at various administrative positions such as the principal, the h...

Publications

137

Citations

572

Publications by Year

20132025

Co-Authors:

Reshu Agarwal
Shivani Agarwal
Sonam Aggarwal
Shivangi Aggarwal
Ahmed Al Ahdal

Show All Co-Authors (162)

Author's Published Works

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Showing 1-25 of 26 results

Journals (13)

Conferences (11)

Early Access Articles (2)

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Computer Science Department, City University of Hong Kong, Hong Kong(5)
Department of Computer Science, City University of Hong Kong, Hong Kong(5)
Computer Science Department, Hong Kong Baptist University, Hong Kong(5)
Department of Computer Science, City University of Hong Kong, Hong Kong, China(4)
Department of Computer Science, City University of Hong Kong(4)
IEEE Internet of Things Journal(4)
IEEE Transactions on Computers(3)
IEEE Transactions on Knowledge and Data Engineering(3)
2011 IEEE 17th International Conference on Parallel and Distributed Systems(1)
2012 IEEE 26th International Conference on Advanced Information Networking and Applications(1)
IEEE(26)
Barcelona, Spain(1)
Dresden, Germany(1)
Fukuoka, Japan(1)
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Pervasive Indoor User Identification Leveraging Mobile Single Station Localization

Wendi Nie;Zexing Liu;Xiaoyang Wang;Yaoxin Duan;Kam-Yiu Lam;Kai Liu;Joseph K. Y. Ng;Chun Jason Xue;Guan Gui

IEEE Internet of Things Journal

Year: 2025 | Early Access Article |

The utilization of Wi-Fi-based technology for pervasive indoor user identification has gained prominence due to its cost-effective nature and compatibility with user devices. Previous works proposed capturing the media access control (MAC) address emitted from a user’s device and using Information Elements (IE)-based MAC de-randomization methods to mitigate the impairment caused by random MAC. How...Show More

Pervasive Indoor User Identification Leveraging Mobile Single Station Localization

Wendi Nie;Zexing Liu;Xiaoyang Wang;Yaoxin Duan;Kam-Yiu Lam;Kai Liu;Joseph K. Y. Ng;Chun Jason Xue;Guan Gui

IEEE Internet of Things Journal

Year: 2025 | Early Access Article |

MS-Loc: Toward Pervasive Indoor Localization Utilizing Mobile Single-Site

Wendi Nie;Xiaoyang Wang;Zexing Liu;Yaoxin Duan;Kam-Yiu Lam;Kai Liu;Joseph K. Y. Ng;Chun Jason Xue

IEEE Internet of Things Journal

Year: 2025 | Early Access Article |

Leveraging the widespread deployment of existing WiFi sites, WiFi-based techniques offer substantial potential for achieving pervasive indoor localization among various indoor localization techniques. Conventional WiFi-based indoor localization techniques primarily focus on providing fine-grained accuracy. However, previous techniques are not pervasive due to the following constraints: 1) they can...Show More

MS-Loc: Toward Pervasive Indoor Localization Utilizing Mobile Single-Site

Wendi Nie;Xiaoyang Wang;Zexing Liu;Yaoxin Duan;Kam-Yiu Lam;Kai Liu;Joseph K. Y. Ng;Chun Jason Xue

IEEE Internet of Things Journal

Year: 2025 | Early Access Article |

H3Rec: Higher-Order Heterogeneous and Homogeneous Interaction Modeling for Group Recommendations of Web Services

Zhixiang He;Chi-Yin Chow;Jia-Dong Zhang;Kam-Yiu Lam

IEEE Transactions on Services Computing

Year: 2023 | Volume: 16, Issue: 2 | Journal Article |

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Recommendations are important web services in the era of information explosion. Particularly, group recommendations aim to suggest new items to groups such that the members of groups are likely interested in. However, existing works still suffer from sparsity and cold-start issues (e.g., cold-start groups or items) for groups with few interactions on items. Most of them model the preferences or fe...Show More

H3Rec: Higher-Order Heterogeneous and Homogeneous Interaction Modeling for Group Recommendations of Web Services

Zhixiang He;Chi-Yin Chow;Jia-Dong Zhang;Kam-Yiu Lam

IEEE Transactions on Services Computing

Year: 2023 | Volume: 16, Issue: 2 | Journal Article |

MVLevelDB: Using Log-Structured Tree to Support Temporal Queries in IoT

Xiaofei Zhao;Kam-Yiu Lam;Chunjiang Zhu;Chi-Yin Chow;Tei-Wei Kuo

IEEE Internet of Things Journal

Year: 2022 | Volume: 9, Issue: 10 | Journal Article |

Cited by: Papers (3)

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Although log-structured merge trees (LSM-trees) are commonly adopted in many NoSQLs as they can significantly improve the write performance in updating a database, most of the proposed LSM-trees are concentrated on storing a single version of data. On the other hand, in many Internet of Things (IoT) applications, it is important to maintain the old versions of data in addition to the latest versio...Show More

MVLevelDB: Using Log-Structured Tree to Support Temporal Queries in IoT

Xiaofei Zhao;Kam-Yiu Lam;Chunjiang Zhu;Chi-Yin Chow;Tei-Wei Kuo

IEEE Internet of Things Journal

Year: 2022 | Volume: 9, Issue: 10 | Journal Article |

Packet Delivery Ratio Fingerprinting: Toward Device-Invariant Passive Indoor Localization

Yaoxin Duan;Kam-Yiu Lam;Victor C. S. Lee;Wendi Nie;Hao Li;Joseph Kee-Yin Ng

IEEE Internet of Things Journal

Year: 2020 | Volume: 7, Issue: 4 | Journal Article |

Cited by: Papers (9)

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Passive indoor localization for mobile Wi-Fi devices, e.g., smartphones, has attracted increasing attention from research communities recently. Existing passive localization techniques leverage received signal strength (RSS) of packets transmitted by target Wi-Fi devices and do not require a dedicated software installed on the devices. However, RSS-based passive localization techniques: 1) are dev...Show More

Packet Delivery Ratio Fingerprinting: Toward Device-Invariant Passive Indoor Localization

Yaoxin Duan;Kam-Yiu Lam;Victor C. S. Lee;Wendi Nie;Hao Li;Joseph Kee-Yin Ng

IEEE Internet of Things Journal

Year: 2020 | Volume: 7, Issue: 4 | Journal Article |

Data Rate Fingerprinting: A WLAN-Based Indoor Positioning Technique for Passive Localization

Yaoxin Duan;Kam-Yiu Lam;Victor C. S. Lee;Wendi Nie;Kai Liu;Hao Li;Chun Jason Xue

IEEE Sensors Journal

Year: 2019 | Volume: 19, Issue: 15 | Journal Article |

Cited by: Papers (39)

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Received signal strength (RSS)/channel state information (CSI) fingerprinting techniques have been widely adopted for wireless local area network (WLAN)-based indoor localization. However, in most of the RSS/CSI fingerprinting techniques, an application/software has to be installed on the target for uploading RSS/CSI information to the localization system. As a result, RSS/CSI fingerprinting canno...Show More

Data Rate Fingerprinting: A WLAN-Based Indoor Positioning Technique for Passive Localization

Yaoxin Duan;Kam-Yiu Lam;Victor C. S. Lee;Wendi Nie;Kai Liu;Hao Li;Chun Jason Xue

IEEE Sensors Journal

Year: 2019 | Volume: 19, Issue: 15 | Journal Article |

RT-DAP: A Real-Time Data Analytics Platform for Large-Scale Industrial Process Monitoring and Control

Song Han;Tao Gong;Mark Nixon;Eric Rotvold;Kam-Yiu Lam;Krithi Ramamritham

2018 IEEE International Conference on Industrial Internet (ICII)

Year: 2018 | Conference Paper |

Cited by: Papers (6)

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In most process control systems nowadays, process measurements are periodically collected and archived in historians. Analytics applications process the data, and provide results offline or in a time period that is considerably slow in comparison to the performance of many manufacturing processes. Along with the proliferation of Internet-of-Things (IoT) and the introduction of "pervasive sensors" ...Show More

RT-DAP: A Real-Time Data Analytics Platform for Large-Scale Industrial Process Monitoring and Control

Song Han;Tao Gong;Mark Nixon;Eric Rotvold;Kam-Yiu Lam;Krithi Ramamritham

2018 IEEE International Conference on Industrial Internet (ICII)

Year: 2018 | Conference Paper |

Advances in Automation Technologies for Lower Extremity Neurorehabilitation: A Review and Future Challenges

Wenhao Deng;Ioannis Papavasileiou;Zhi Qiao;Wenlong Zhang;Kam-Yiu Lam;Song Han

IEEE Reviews in Biomedical Engineering

Year: 2018 | Volume: 11 | Journal Article |

Cited by: Papers (55)

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The world is experiencing an unprecedented, enduring, and pervasive aging process. With more people who need walking assistance, the demand for lower extremity gait rehabilitation has increased rapidly over the years. The current clinical gait rehabilitative training requires heavy involvement of both medical doctors and physical therapists, and thus, are labor intensive, subjective, and expensive...Show More

Advances in Automation Technologies for Lower Extremity Neurorehabilitation: A Review and Future Challenges

Wenhao Deng;Ioannis Papavasileiou;Zhi Qiao;Wenlong Zhang;Kam-Yiu Lam;Song Han

IEEE Reviews in Biomedical Engineering

Year: 2018 | Volume: 11 | Journal Article |

Multiple Power Path Loss Fingerprinting for Sensor-Based Indoor Localization

Yaoxin Duan;Kam-Yiu Lam;Victor C. S. Lee;Wendi Nie;Hao Li;Joseph K. Y. Ng

IEEE Sensors Letters

Year: 2017 | Volume: 1, Issue: 4 | Journal Article |

Cited by: Papers (6)

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Previous fingerprinting techniques proposed for sensor-based indoor localization assume that the fingerprint database is constructed by the measurement of received signal strength (RSS) at a fixed transmit power of the transmitter sensors. In order to improve the performance of the fingerprinting technique, we consider using the measurement of path loss rather than RSS to better distinguish the si...Show More

Multiple Power Path Loss Fingerprinting for Sensor-Based Indoor Localization

Yaoxin Duan;Kam-Yiu Lam;Victor C. S. Lee;Wendi Nie;Hao Li;Joseph K. Y. Ng

IEEE Sensors Letters

Year: 2017 | Volume: 1, Issue: 4 | Journal Article |

Tracking Indoor Activities of Patients with Mild Cognitive Impairment Using Motion Sensors

Nelson Wai-Hung Tsang;Umair Mujtaba Qureshi;Kam-Yiu Lam;Joseph Kee-Yin Ng;Song Han;Ioannis Papavasileiou

2017 IEEE 31st International Conference on Advanced Information Networking and Applications (AINA)

Year: 2017 | Conference Paper |

Cited by: Papers (13)

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In order to maintain a healthy living both physiologically and psychologically, it is important for patients with mild cognitive impairment (MCI) to maintain active in daily life. In this paper, we demonstrate how to use simple motion sensors, e.g., accelerometers, gyroscopes and magnetometers, to design and develop a system, called ActiveLife, for effective tracking of the daily living activities...Show More

Tracking Indoor Activities of Patients with Mild Cognitive Impairment Using Motion Sensors

Nelson Wai-Hung Tsang;Umair Mujtaba Qureshi;Kam-Yiu Lam;Joseph Kee-Yin Ng;Song Han;Ioannis Papavasileiou

2017 IEEE 31st International Conference on Advanced Information Networking and Applications (AINA)

Year: 2017 | Conference Paper |

Online Mode Switch Algorithms for Maintaining Data Freshness in Dynamic Cyber-Physical Systems

Song Han;Kam-Yiu Lam;Deji Chen;Ming Xiong;Jiantao Wang;Krithi Ramamritham;Aloysius K. Mok

IEEE Transactions on Knowledge and Data Engineering

Year: 2016 | Volume: 28, Issue: 3 | Journal Article |

Cited by: Papers (22)

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Maintaining the freshness of real-time data is one of the crucial design issues in cyber-physical systems (CPS). Past studies have focused on designing update algorithms to minimize the workload imposed by a fixed set of update tasks while ensuring the temporal validity of data. In this paper, we revisit this problem in dynamic cyber-physical systems (DCPS) which may exhibit multi-modal behavior. ...Show More

Online Mode Switch Algorithms for Maintaining Data Freshness in Dynamic Cyber-Physical Systems

Song Han;Kam-Yiu Lam;Deji Chen;Ming Xiong;Jiantao Wang;Krithi Ramamritham;Aloysius K. Mok

IEEE Transactions on Knowledge and Data Engineering

Year: 2016 | Volume: 28, Issue: 3 | Journal Article |

SmartMind: Activity Tracking and Monitoring for Patients with Alzheimer's Disease

Kam-Yiu Lam;Nelson Wai-Hung Tsang;Song Han;Joseph Kee-Yin Ng;Sze-Wei Tam;Ajit Nath

2015 IEEE 29th International Conference on Advanced Information Networking and Applications

Year: 2015 | Conference Paper |

Cited by: Papers (11)

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In this paper, we introduce SmartMind, an activity tracking and monitoring system to help Alzheimer's diseases (AD) patients to live independently within their living rooms while providing emergent help and support when necessary. Allowing AD patients to handle their daily activities not only can release some of the burdens on their families and caregivers, but also is highly important to help the...Show More

SmartMind: Activity Tracking and Monitoring for Patients with Alzheimer's Disease

Kam-Yiu Lam;Nelson Wai-Hung Tsang;Song Han;Joseph Kee-Yin Ng;Sze-Wei Tam;Ajit Nath

2015 IEEE 29th International Conference on Advanced Information Networking and Applications

Year: 2015 | Conference Paper |

SmartMood: Toward Pervasive Mood Tracking and Analysis for Manic Episode Detection

Kam-Yiu Lam;Jiantao Wang;Joseph Kee-Yin Ng;Song Han;Limei Zheng;Calvin Ho Chuen Kam;Chun Jiang Zhu

IEEE Transactions on Human-Machine Systems

Year: 2015 | Volume: 45, Issue: 1 | Journal Article |

Cited by: Papers (9)

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This paper describes SmartMood, a mood tracking and analysis system designed for patients with mania. By analyzing the voice data captured from a smartphone while the user is having a conversation, statistics are generated for each behavioral factor to quantitatively describe his/her mood status. By comparing the newly generated statistics with those under normal mood, SmartMood tries to identify ...Show More

SmartMood: Toward Pervasive Mood Tracking and Analysis for Manic Episode Detection

Kam-Yiu Lam;Jiantao Wang;Joseph Kee-Yin Ng;Song Han;Limei Zheng;Calvin Ho Chuen Kam;Chun Jiang Zhu

IEEE Transactions on Human-Machine Systems

Year: 2015 | Volume: 45, Issue: 1 | Journal Article |

Block-Based Multi-Version B $^+$ -Tree for Flash-Based Embedded Database Systems

Jiantao Wang;Kam-Yiu Lam;Yuan-Hao Chang;Jen-Wei Hsieh;Po-Chun Huang

IEEE Transactions on Computers

Year: 2015 | Volume: 64, Issue: 4 | Journal Article |

Cited by: Papers (12)

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In this paper, we propose a novel multi-version B

$^+$ -tree index structure, called block-based multi-version B

$^+$ -tree ( BbMVBT), for indexing multi-versions of data items in an embedded multi-version database (EMVDB ) on flash memory. An EMVDB needs to support streams of update transactions and version-range queries to access different versions of data items maintained in the database. In BbMV...Show More

Block-Based Multi-Version B $^+$ -Tree for Flash-Based Embedded Database Systems

Jiantao Wang;Kam-Yiu Lam;Yuan-Hao Chang;Jen-Wei Hsieh;Po-Chun Huang

IEEE Transactions on Computers

Year: 2015 | Volume: 64, Issue: 4 | Journal Article |

Space-efficient multiversion index scheme for PCM-based embedded database systems

Yuan-Hung Kuan;Yuan-Hao Chang;Po-Chun Huang;Kam-Yiu Lam

2014 51st ACM/EDAC/IEEE Design Automation Conference (DAC)

Year: 2014 | Conference Paper |

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Embedded database systems are widely adopted in various control and motoring systems, e.g., cyber-physical systems (CPSes). To support the functionality to access the historical data, a multiversion index is adopted to maintain multiple versions of data items and their index information. However, CPSes are usually battery-powered embedded systems that have limited energy, computing power, and stor...Show More

Space-efficient multiversion index scheme for PCM-based embedded database systems

Yuan-Hung Kuan;Yuan-Hao Chang;Po-Chun Huang;Kam-Yiu Lam

2014 51st ACM/EDAC/IEEE Design Automation Conference (DAC)

Year: 2014 | Conference Paper |

Capturing and Analyzing Pervasive Data for SmartHealth

Joseph Kee-Yin Ng;Jiantao Wang;Kam-Yiu Lam;Calvin Ho Chuen Kam;Song Han

2014 IEEE 28th International Conference on Advanced Information Networking and Applications

Year: 2014 | Conference Paper |

Cited by: Papers (5) | Patents (2)

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In this paper, we study how mobile computing and wireless technologies can be explored to provide effective ubiquitous healthcare services. Instead of reinventing the wheels, we make use of smartphones, off-the-shelf components, and existing technologies in ubiquitous computing (i.e. wireless and mobile positioning technologies, and data acquisition techniques and processing via sensors) to develo...Show More

Capturing and Analyzing Pervasive Data for SmartHealth

Joseph Kee-Yin Ng;Jiantao Wang;Kam-Yiu Lam;Calvin Ho Chuen Kam;Song Han

2014 IEEE 28th International Conference on Advanced Information Networking and Applications

Year: 2014 | Conference Paper |

Garbage collection for multi-version index on flash memory

Kam-Yiu Lam;Jiantao Wang;Yuan-Hao Chang;Jen-Wei Hsieh;Po-Chun Huang;Chung Keung Poon;Chun Jiang Zhu

2014 Design, Automation & Test in Europe Conference & Exhibition (DATE)

Year: 2014 | Conference Paper |

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In this paper, we study the important performance issues in using the purging-range query to reclaim old data versions to be free blocks in a flash-based multi-version database. To reduce the overheads for using the purging-range query in garbage collection, the physical block labeling (PBL) scheme is proposed to provide a better estimation on the purging version number to be used for purging old ...Show More

Garbage collection for multi-version index on flash memory

Kam-Yiu Lam;Jiantao Wang;Yuan-Hao Chang;Jen-Wei Hsieh;Po-Chun Huang;Chung Keung Poon;Chun Jiang Zhu

2014 Design, Automation & Test in Europe Conference & Exhibition (DATE)

Year: 2014 | Conference Paper |

Schedulability Analysis of DeferrableScheduling Algorithms for MaintainingReal-Time Data Freshness

Song Han;Deji Chen;Ming Xiong;Kam-Yiu Lam;Aloysius K. Mok;Krithi Ramamritham

IEEE Transactions on Computers

Year: 2014 | Volume: 63, Issue: 4 | Journal Article |

Cited by: Papers (24)

Although the deferrable scheduling algorithm for fixed priority transactions ( DS-FP) has been shown to provide a better performance compared with the More-Less (ML) method, there is still a lack of any comprehensive studies on the necessary and sufficient conditions for the schedulability of DS-FP. In this paper, we first analyze the necessary and sufficient schedulability conditions for DS-FP, a...Show More

Schedulability Analysis of DeferrableScheduling Algorithms for MaintainingReal-Time Data Freshness

Song Han;Deji Chen;Ming Xiong;Kam-Yiu Lam;Aloysius K. Mok;Krithi Ramamritham

IEEE Transactions on Computers

Year: 2014 | Volume: 63, Issue: 4 | Journal Article |

A Business Model for Personalized Promotion Systems on Using WLAN Localization and NFC Techniques

Kam-Yiu Lam;Joseph K. Ng;Jian-Tao Wang

2013 27th International Conference on Advanced Information Networking and Applications Workshops

Year: 2013 | Conference Paper |

Cited by: Papers (2) | Patents (1)

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Although wireless local area networks (WLAN) have been shown to be an effective technique for localization of moving objects, their potential for business applications still have a lot of rooms for exploration. In this paper, we propose a novel business model for sales promotion in retail chain stores with the use of WLAN localization and near field communication (NFC) technologies. The objectives...Show More

A Business Model for Personalized Promotion Systems on Using WLAN Localization and NFC Techniques

Kam-Yiu Lam;Joseph K. Ng;Jian-Tao Wang

2013 27th International Conference on Advanced Information Networking and Applications Workshops

Year: 2013 | Conference Paper |

On Co-Scheduling of Update and Control Transactions in Real-Time Sensing and Control Systems: Algorithms, Analysis, and Performance

Song Han;Kam-Yiu Lam;Jiantao Wang;Krithi Ramamritham;Aloysius K. Mok

IEEE Transactions on Knowledge and Data Engineering

Year: 2013 | Volume: 25, Issue: 10 | Journal Article |

Cited by: Papers (19)

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Maintaining sensor data validity while exercising timely control is crucial in real-time sensing and control systems. The goal of scheduling algorithms deployed in such systems is to maintain the validity of real-time sensor data so as to maximize the schedulability of update transactions with minimum update workload so that control actions occur on time. In this paper, we first propose a dynamic ...Show More

On Co-Scheduling of Update and Control Transactions in Real-Time Sensing and Control Systems: Algorithms, Analysis, and Performance

Song Han;Kam-Yiu Lam;Jiantao Wang;Krithi Ramamritham;Aloysius K. Mok

IEEE Transactions on Knowledge and Data Engineering

Year: 2013 | Volume: 25, Issue: 10 | Journal Article |

Adaptive encoding scheme for real-time video streaming over mobile networks

Kai Yan Lau;Joe C. H. Yuen;Edward Chan;Kam-Yiu Lam

2012 Third Asian Himalayas International Conference on Internet

Year: 2012 | Conference Paper |

Cited by: Papers (1)

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Advances in mobile technologies have continuously improved the capability and data access of mobile devices. High resolution camera, large multi-touch screen and improving data rate make video communication more ready to replace voice communication on mobile phones. However, connectivity and data rate are not guaranteed in mobile networks which make it hard to maintain a jitter-free streaming of l...Show More

Adaptive encoding scheme for real-time video streaming over mobile networks

Kai Yan Lau;Joe C. H. Yuen;Edward Chan;Kam-Yiu Lam

2012 Third Asian Himalayas International Conference on Internet

Year: 2012 | Conference Paper |

On Co-scheduling of Periodic Update and Application Transactions with Fixed Priority Assignment for Real-Time Monitoring

Jiantao Wang;Kam-yiu Lam;Song Han;Sang H. Son;Aloysius K. Mok

2012 IEEE 26th International Conference on Advanced Information Networking and Applications

Year: 2012 | Conference Paper |

Cited by: Papers (1)

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In a real-time database system for detection of critical events,On co-scheduling of periodic update and application transactions with fixed priority assignment for real-time monitoring meeting the deadlines of the application transactions and maintaining the quality of the real-time data objects are two critical issues in ensuring the effectiveness of performing the real-time monitoring tasks. Unf...Show More

On Co-scheduling of Periodic Update and Application Transactions with Fixed Priority Assignment for Real-Time Monitoring

Jiantao Wang;Kam-yiu Lam;Song Han;Sang H. Son;Aloysius K. Mok

2012 IEEE 26th International Conference on Advanced Information Networking and Applications

Year: 2012 | Conference Paper |

On Least Idle Slot First Co-scheduling of Update and Control Tasks in Real-Time Sensing and Control Systems

Jiantao Wang;Song Han;Kam-yiu Lam;Aloysius K. Mok

2011 IEEE 17th International Conference on Parallel and Distributed Systems

Year: 2011 | Conference Paper |

Cited by: Papers (2)

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Typical real-time sensing and control systems consist of a set of update tasks for installing sensor measurements from the operation environment and a set of control tasks to access to these measurements for making control decisions. Although configuring the sensors with higher sampling rates could improve the accuracy of the measurements and control quality in general, scheduling high frequent up...Show More

On Least Idle Slot First Co-scheduling of Update and Control Tasks in Real-Time Sensing and Control Systems

Jiantao Wang;Song Han;Kam-yiu Lam;Aloysius K. Mok

2011 IEEE 17th International Conference on Parallel and Distributed Systems

Year: 2011 | Conference Paper |

Deferrable Scheduling for Maintaining Real-Time Data Freshness: Algorithms, Analysis, and Results

Ming Xiong;Song Han;Kam-Yiu Lam;Deji Chen

IEEE Transactions on Computers

Year: 2008 | Volume: 57, Issue: 7 | Journal Article |

Cited by: Papers (42)

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The periodic update transaction model has been used to maintain the freshness (or temporal validity) of real-time data. Period and deadline assignment has been the main focus of past studies, such as the More-Less scheme [25], in which update transactions are guaranteed by the Deadline Monotonic scheduling algorithm [16] to complete by their deadlines. In this paper, we propose a deferrable schedu...Show More

Deferrable Scheduling for Maintaining Real-Time Data Freshness: Algorithms, Analysis, and Results

Ming Xiong;Song Han;Kam-Yiu Lam;Deji Chen

IEEE Transactions on Computers

Year: 2008 | Volume: 57, Issue: 7 | Journal Article |

Quality of service guarantee for temporal consistency of real-time transactions

M. Xiong;B. Liang;K.-Y. Lam;Y. Quo

IEEE Transactions on Knowledge and Data Engineering

Year: 2006 | Volume: 18, Issue: 8 | Journal Article |

Cited by: Papers (10)

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The more-less (ML) scheme has been shown to be an efficient approach for maintaining temporal consistency of real-time data objects. Although ML provides a deterministic guarantee in temporal consistency, the number of update transactions that can be supported in a system is limited. This is due to its use of the worst-case computation time in deriving deadlines and periods of update transactions....Show More

Quality of service guarantee for temporal consistency of real-time transactions

M. Xiong;B. Liang;K.-Y. Lam;Y. Quo

IEEE Transactions on Knowledge and Data Engineering

Year: 2006 | Volume: 18, Issue: 8 | Journal Article |

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