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ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— Most of the existing works on space-time block codes (STBC) assume the channels are quasi-static, i.e., they remain invariant within one block. This assumption is not always tr...
CHI
2011
ACM
14 years 3 months ago
2011
ACM
In access-control systems, policy rules conflict when they prescribe different decisions (ALLOW or DENY) for the same access. We present the results of a user study that demonstr...
HHCI
2000
15 years 3 months ago
2000
This paper describes a benchmark task for evaluating the usability of haptic environments for a shape perception task. The task measures the ease with which observers can recogniz...
WIKIS
2005
ACM
15 years 5 months ago
2005
ACM
Wikis are simple to use, asynchronous, Web-based collaborative hypertext authoring systems which are quickly gaining in popularity. In spite of much anecdotal evidence to the effe...
ICWE
2005
Springer
15 years 5 months ago
2005
Springer
In this paper, we examine how the task of creating usable websites can be made more efficient. Models and generation of websites have been a central issue for Web Engineering over ...