IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering (TKDE) is an archival journal published monthly designed to inform researchers, developers, managers, strategic planners, users, and others interested in state-of-the-art and state-of-the-practice activities in the knowledge and data engineering area. Read the full scope of TKDE
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IEEE Transactions on Knowledge and Data Engineering (TKDE) has moved to the OnlinePlus publication model starting with 2013 issues!
From the February 2016 issue
Scaling HTM-Supported Database Transactions to Many Cores
By Viktor Leis, Alfons Kemper, and Thomas Neumann
So far, transactional memory—although a promising technique—suffered from the absence of an efficient hardware implementation. Intel’s Haswell microarchitecture introduced hardware transactional memory (HTM) in mainstream CPUs. HTM allows for efficient concurrent, atomic operations, which is also highly desirable in the context of databases. On the other hand, HTM has several limitations that, in general, prevent a one-to-one mapping of database transactions to HTM transactions. In this work, we devise several building blocks that can be used to exploit HTM in main-memory databases. We show that HTM allows for achieving nearly lock-free processing of database transactions by carefully controlling the data layout and the access patterns. The HTM component is used for detecting the (infrequent) conflicts, which allows for an optimistic, and thus very low-overhead execution of concurrent transactions. We evaluate our approach on a four-core desktop and a 28-core server system and find that HTM indeed provides a scalable, powerful, and easy to use synchronization primitive.
Editorials and Announcements
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- TKDE celebrates its 25th Anniversary. Editor-in-Chief Jian Pei says, "We are celebrating the 25th Anniversary of TKDE. Since its first issue in March 1989, TKDE has published 2,981 articles, and another 220 articles in the early access portal. With 898 submissions and 79 accepted articles in 2012, TKDE is now the premier journal in the broad and general fields of data management, data mining, and knowledge engineering. We thank all the authors, reviewers, and readers for their continuing support to TKDE. As always, we are eager to hear your ideas and suggestions, and will do our best to meet your expectations. With all your passions, contributions, and supports, TKDE is embracing the new era of big data and big data analytics. Happy birthday to TKDE!"
- State of the Journal (January 2016)
- Editorial (August 2015)
- State of the Journal Editorial (January 2015)
- Editorial: State of the Transactions (January 2014)
- Editorial (August 2013)
- New EIC Editorial (February 2013)
- Outgoing EIC Editorial (February 2013)
- State of the Journal (February 2012)
- EIC Editorial (January 2011)
- Special Section on the International Conference on Data Engineering (February 2016)
- Special Section on the International Conference on Data Engineering (July 2015)
- Special Section on the International Conference on Data Engineering (June 2014)
- Special Section on the 27th International Conference on Data Engineering (ICDE 2011)(Oct 2012)
- Special Section on Keyword Search on Structured Data (Dec 2011)
- Cloud Data Management (Sept 2011)
- Special Section on the 26th International Conference on Data Engineering (Aug 2011)
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