IEEE Transactions on Knowledge and Data Engineering
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Multiversion locking protocol with freezing for secure real-time database systems
IEEE Transactions on Knowledge and Data Engineering - Tập 14 Số 5 - Trang 1141-1154 - 2002
Database 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 has become another important issue in many real-time applications. In many systems, sensitive information is shared by multiple users with differe...... hiện toàn bộ
#Protocols #Real time systems #Database systems #Timing #Data security #Information security #Multilevel systems #Satellite broadcasting #Concurrency control #Computer Society
Blocking Self-Avoiding Walks Stops Cyber-Epidemics: A Scalable GPU-Based Approach
IEEE Transactions on Knowledge and Data Engineering - Tập 32 Số 7 - Trang 1263-1275 - 2020
Cyber-epidemics, the widespread of fake news or propaganda through social media, can cause devastating economic and political consequences. A common countermeasure against cyber-epidemics is to disable a small subset of suspected social connections or accounts to effectively contain the epidemics. An example is the recent shutdown of 125,000 ISIS-related Twitter accounts. Despite many proposed met...... hiện toàn bộ
#Spread interdiction #self-avoiding walks #GPUs
Fast algorithms for online generation of profile association rules
IEEE Transactions on Knowledge and Data Engineering - Tập 14 Số 5 - Trang 1017-1028 - 2002
The results discussed in this paper are relevant to a large database consisting of consumer profile information together with behavioral (transaction) patterns. We introduce the concept of profile association rules, which discusses the problem of relating consumer buying behavior to profile information. The problem of online mining of profile association rules in this large database is discussed. ...... hiện toàn bộ
#Association rules #Itemsets #Transaction databases #Data mining #Multidimensional systems #Indexing #Remuneration #Marketing and sales #Sun #Customer profiles
A Contemporary and Comprehensive Survey on Streaming Tensor Decomposition
IEEE Transactions on Knowledge and Data Engineering - Tập 35 Số 11 - Trang 10897-10921 - 2023
Tensor decomposition has been demonstrated to be successful in a wide range of applications, from neuroscience and wireless communications to social networks. In an online setting, factorizing tensors derived from multidimensional data streams is however nontrivial due to several inherent problems of real-time stream processing. In recent years, many research efforts have been dedicated to develop...... hiện toàn bộ
#BTD #CP #data stream #low-rank tensor approximation #online optimization #tensor decomposition #tensor-train #t-SVD #tucker
A development environment for an object specification language
IEEE Transactions on Knowledge and Data Engineering - - 1995
Techniques for the development of reliable information systems on the basis of their formal specification are the main concern in the project. Our work focuses on the specification language TROLL light which allows one to describe the part of the world to be modeled as a community of concurrently existing and communicating objects. Our specification language comes with an integrated, open developm...... hiện toàn bộ
#Specification languages #Information systems #Prototypes #Data models #Design engineering #System testing #Formal specifications #Animation #Certification #Process design
Scheduling transactions with temporal constraints: exploiting data semantics
IEEE Transactions on Knowledge and Data Engineering - Tập 14 Số 5 - Trang 1155-1166 - 2002
In this paper, issues involved in the design of a real-time database which maintains data temporal consistency are discussed. The concept of data-deadline is introduced and time cognizant transaction scheduling policies are proposed. Informally, data-deadline is a deadline assigned to a transaction due to the temporal constraints of the data accessed by the transaction. Further, two time cognizant...... hiện toàn bộ
#Time factors #Database systems #Transaction databases #Real time systems #Protocols #Scheduling #Delay effects #Process design #Robot sensing systems #Navigation
SemQuery: phân cụm và truy vấn ngữ nghĩa trên các đặc trưng không đồng nhất cho dữ liệu hình ảnh Dịch bởi AI
IEEE Transactions on Knowledge and Data Engineering - Tập 14 Số 5 - Trang 988-1002 - 2002
Hiệu quả của việc truy xuất hình ảnh dựa trên nội dung có thể được nâng cao bằng cách sử dụng các đặc trưng không đồng nhất được nhúng trong các hình ảnh. Tuy nhiên, vì các đặc trưng về kết cấu, màu sắc và hình dạng được tạo ra bằng các phương pháp tính toán khác nhau và do đó có thể yêu cầu các phép đo độ tương đồng khác nhau, việc tích hợp các kết quả truy xuất dựa trên các đặc trưng không đồng ...... hiện toàn bộ
#Truy xuất hình ảnh #Dữ liệu hình ảnh #Cơ sở dữ liệu không gian #Cơ sở dữ liệu trực quan #Đo lường hình dạng #Truy xuất dựa trên nội dung #Lập chỉ mục #Truy xuất thông tin #Lịch sử phân phối #Vectơ
The presumed-either two-phase commit protocol
IEEE Transactions on Knowledge and Data Engineering - Tập 14 Số 5 - Trang 1190-1196 - 2002
This paper describes the presumed-either two-phase commit protocol. Presumed-either exploits log piggybacking to reduce the cost of committing transactions. If timely piggybacking occurs, presumed-either combines the performance advantages of presumed-abort and presumed-commit. Otherwise, presumed-either behaves much like the widely-used presumed-abort protocol.
#Protocols #Tail #Peer to peer computing #Costs #Resource management #Database systems #Data structures
Analyzing and Managing Role-Based Access Control Policies
IEEE Transactions on Knowledge and Data Engineering - Tập 20 Số 7 - Trang 924-939 - 2008
Today more and more security-relevant data is stored on computer systems; security-critical business processes are mapped to their digital counterparts. This situation applies to various domains such as health care industry, digital government, and financial service institutes requiring that different security requirements must be fulfilled. Authorisation constraints can help the policy architect ...... hiện toàn bộ
#Access controls #Protection mechanisms #Access controls #Protection mechanisms
A Comprehensive Survey of Graph Embedding: Problems, Techniques, and Applications
IEEE Transactions on Knowledge and Data Engineering - Tập 30 Số 9 - Trang 1616-1637 - 2018
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