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- research-articleMarch 2024
BiTDB: Constructing A Built-in TEE Secure Database for Embedded Systems
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 36, Issue 9Pages 4472–4485https://doi.org/10.1109/TKDE.2024.3380367In this paper, we propose BiTDB, a built-in Trusted Execution Environment (TEE) database for embedded systems, to realize higher system availability while ensuring data confidentiality. With BiTDB, dilemmas that the state-of-the-art research work on ...
- research-articleSeptember 2019
Real-Time Data Retrieval in Cyber-Physical Systems with Temporal Validity and Data Availability Constraints
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 31, Issue 9Pages 1779–1793https://doi.org/10.1109/TKDE.2018.2866842Maintaining the temporal validity of real-time data in cyber-physical systems is of critical importance to ensure the correct decision making and appropriate system operation. Most existing work on real-time data retrieval assume that the real-time data ...
- research-articleJuly 2015
Real-Time City-Scale Taxi Ridesharing
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 27, Issue 7Pages 1782–1795https://doi.org/10.1109/TKDE.2014.2334313We proposed and developed a taxi-sharing system that accepts taxi passengers' real-time ride requests sent from smart phones and schedules proper taxis to pick up them via ride sharing, subject to time, capacity, and monetary constraints. The monetary ...
- research-articleMarch 2006
Maintaining Sliding Window Skylines on Data Streams
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 18, Issue 3Pages 377–391https://doi.org/10.1109/TKDE.2006.48The skyline of a multidimensional data set contains the "best” tuples according to any preference function that is monotonic on each dimension. Although skyline computation has received considerable attention in conventional databases, the existing ...
- research-articleNovember 2003
Dynamic Buffer Allocation in Video-on-Demand Systems
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 15, Issue 6Pages 1535–1551https://doi.org/10.1109/TKDE.2003.1245291In video-on-demand (VOD) systems, as the size of the buffer allocated to user requests increases, initial latency and memory requirements increase. Hence, the buffer size must be minimized. The existing static buffer allocation scheme, however, ...
- research-articleSeptember 2002
Multiversion Locking Protocol with Freezing for Secure Real-Time Database Systems
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 14, Issue 5Pages 1141–1154https://doi.org/10.1109/TKDE.2002.1033780Database systems for real-time applications must satisfy timing constraints associated with transactions. Typically, a timing constraint is expressed in the form of a deadline and is represented as a priority to be used by schedulers. Recently, security ...
- research-articleMay 2002
A Study of Concurrency Control in Real-Time, Active Database Systems
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 14, Issue 3Pages 465–484https://doi.org/10.1109/TKDE.2002.1000337Real-Time, Active Database Systems (RTADBSs) have attracted a considerable amount of research attention in the very recent past and a number of important applications have been identified for such systems, such as telecommunications network management, ...
- research-articleJuly 2000
MDARTS: A Multiprocessor Database Architecture for Hard Real-Time Systems
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 12, Issue 4Pages 621–644https://doi.org/10.1109/69.868911Complex real-time systems need databases to support concurrent data access and provide well-defined interfaces between software modules. However, conventional database systems and prior real-time database systems do not provide the performance or ...
- research-articleMay 2000
Real-Time Index Concurrency Control
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 12, Issue 3Pages 429–447https://doi.org/10.1109/69.846294Real-time database systems are expected to rely heavily on indexes to speed up data access and, thereby, help more transactions meet their deadlines. Accordingly, high-performance index concurrency control (ICC) protocols are required to prevent ...
- research-articleMarch 2000
The PSTR/SNS Scheme for Real-Time Fault Tolerance via Active Object Replication and Network Surveillance
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 12, Issue 2Pages 145–159https://doi.org/10.1109/69.842258The time-triggered message-triggered object (TMO) scheme was formulated a few years ago as a major extension of the conventional object structuring schemes with the idealistic goal of facilitating general-form design and timeliness-guaranteed design of ...
- research-articleJanuary 2000
- research-articleJanuary 2000
- research-articleJanuary 2000
Dynamically Negotiated Resource Management for Data Intensive Application Suites
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 12, Issue 1Pages 78–95https://doi.org/10.1109/69.842252In contemporary computers and networks of computers, various application domains are making increasing demands on the system to move data from one place to another, particularly under some form of soft real-time constraint. A brute force technique for ...
- research-articleJanuary 1997
Object-Based Semantic Real-Time Concurrency Control with Bounded Imprecision
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 9, Issue 1Pages 135–147https://doi.org/10.1109/69.567056This paper describes a concurrency control technique for real-time object-oriented databases that supports logical consistency and temporal consistency, as well as bounded imprecision that results from their trade-offs. The concurrency control technique ...
- research-articleFebruary 1996
- research-articleFebruary 1996
Knowledge Processing in Control Systems
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 8, Issue 1Pages 106–119https://doi.org/10.1109/69.485640A real time knowledge processing procedure is proposed for rule-based systems in general and control systems applications in particular. Distinguishing features of the procedure include a mechanism for rule base compression and an inference scheme based ...