4397 search results - page 600 / 880 » Relational Algebra Operations |
IJET
2008
15 years 4 months ago
2008
The IMS Question and Test Interoperability (QTI) standard has had a restricted take-up, in part due to the lack of tools. This paper describes the `ASDEL' test delivery engine...
120
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IJNSEC
2008
15 years 4 months ago
2008
This paper presents an evaluation of the security architecture employed in the General Packet Radio Services (GPRS). More specifically, the security measures applied to protect th...
136
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IJNSEC
2008
15 years 4 months ago
2008
In 2005, Lee, Kim, and Yoo proposed a nonce-based mutual authentication scheme using smart cards. However, this paper demonstrates that Lee-Kim-Yoo's scheme is vulnerable to ...
CCE
2007
15 years 4 months ago
2007
The paper contributes to techno-economic modelling of CO2 capture process in coalfired power plants. Technological options of CO2 capture have been chosen and cost estimation rela...
147
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INFORMATICALT
2006
15 years 4 months ago
2006
Matrix transpose in parallel systems typically involves costly all-to-all communications. In this paper, we provide a comparative characterization of various efficient algorithms f...