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We propose using discovery-based learning games to teach people how to use complex software. Specifically, we developed Jigsaw, a learning game that asks players to solve virtual jigsaw puzzles using tools in Adobe Photoshop. We conducted an eleven-person lab study of the prototype, and found the game to be an effective learning medium that can complement(More)
The alternative sigma factor RpoN is an essential colonization factor of Vibrio cholerae and controls important cellular functions including motility and type VI secretion (T6SS). The RpoN regulon has yet to be clearly defined in T6SS-active V. cholerae isolates, which use T6SS to target both bacterial competitors and eukaryotic cells. We hypothesize that(More)
large-scale sharing and collaboration of dynamic resources, has quickly become a mainstream technology in distributed computing. In this article, we present a grid-based unit test framework, which takes advantage of the large-scale and cost-efficient computational grid resources as a software testing test bed to support automated software unit test in a(More)
Fusarium wilt, caused by the fungal pathogen Fusarium oxysporum f. sp. cubense tropical race 4 (Foc TR4), is considered the most lethal disease of Cavendish bananas in the world. The disease can be managed in the field by planting resistant Cavendish plants generated by somaclonal variation. However, little information is available on the genetic basis of(More)
Group mobility in wireless sensor network (WSN) is of particular importance in many practical application scenarios. In this paper, the group mobility management in IPv6 over Low power Wireless Personal Area Networks (6LoWPAN) based WSN is considered and the application of network mobility (NEMO) protocol to support group mobility in WSN is discussed. A new(More)
This work explores the potential value of using the enormous amount of activity traces latest ubicomp environments have started to capture. We sought to understand potential practices of using these traces in the long term through a field-based study in the USA that examines how today's people use traces left by their predecessors in the houses where they(More)