نتایج جستجو برای: and modified push
تعداد نتایج: 16867303 فیلتر نتایج به سال:
We prove that a particular pushing-blocks puzzle is intractable in 3D. The puzzle, inspired by the game PushPush, consists of unit square blocks on an integer lattice. An agent may push blocks (but never pull them) in attempting to move between given start and goal positions. In the PushPush version, the agent can only push one block at a time, and moreover, each block, when pushed, slides the ...
We prove that two pushing-blocks puzzles are intractable in 2D. One of our constructions improves an earlier result that established intractability in 3D [OS99] for a puzzle inspired by the game PushPush. The second construction answers a question we raised in [DDO00] for a variant we call Push-1. Both puzzles consist of unit square blocks on an integer lattice; all blocks are movable. An agent...
This paper explores the broad issues of why the meaningful use of ICT to engage in deep learning has not been widespread in K-12 schools. We argue a critical reason is the lack of sustainability in the implementation of ICT-enabled pedagogies in schools, arising from a failure to understand the conditions for systemic innovations. We describe the key issues related to sustainability from litera...
We present the architecture of UbiData an adaptable framework for mobile computing information dissemination systems. Applications built upon this framework communicate using dynamic channels, an information push model with extensions to capture mobilityspecific requirements. We also introduce the development process for UbiData’s applications.
We examine the effect of variability on the performance of an assembly system where two stations feed another station and a competing system where two independent stations are fed by a single station. We study the impact of variability in processing times, variability due to unreliable workstations, and variability due to imperfect yield. The above impact is examined for both PUSH and PULL manu...
Beneath the unconventional allure of hydroponic crops and a floating jungle, Cedric Priceâs proposal for Glasgowâs River Clyde banks (1970) is founded on profound concept âdesign infrastructureâ. This article unpacks concept, which intertwined theories ecological subjectivation, human behavior, sensory experience within urban planning discourses. In an era increasingly geared towards da...
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