Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 33 for “"Shared Resource"”.
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Parallel Machine Scheduling in Manufacturing Systems: Impact of a Shared Resource and Multiple Stages
The second problem requires jobs to be processed at two stages. Each stage consists of identical parallel machines. The processing time is assumed to include the setup time. This problem is also modeled as a mathematical program. Solution approaches and lower bounding procedures are discussed. I …
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A study of covert queueing channels in shared schedulers
… covert timing channel that may be exploited in shared queues across supposedly isolated users. In our system model, a user modulates messages to another user via his pattern of access to the shared resource. One example of such a channel is the cross-virtual network covert channel in data center …
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Tunable WCET for hard real-time multicore system
… timing behavior that mainly arises from shared resource contention in current multicore architectures has been the biggest stumbling block for a widespread use of multicores in hard real-time systems. A great deal of research efforts have been devoted to address the issue. Among others, …
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Attitudes toward resource conservation and conservation behaviour: the moderating role of self-interest and social values
People's tendency to deplete shared natural resources has been well documented (Edney, 1979; Hardin, 1968). At the same time, however, people are generally in favour of resource conservation. A possible explanation for the observed inconsistency between attitudes toward resource conservation and …
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Racionalização da gerência na construção civil utilizando redes de petri: um estudo de caso
… when used for discrete (civil construction) and shared resource models, where PERT nets find their greatest inaccuracies.
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Scheduling Policy Design using Stochastic Dynamic Programming
… non-preemptable tasks that contend for a single shared resource. We enforce timeliness by optimizing performance with respect to the proportional progress of tasks in the system. We model this scheduling problem as an infinite-state Markov decision process, and provide guarantees regarding the …
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The ties that bind : the past in the present, linking the Pretoria inner city with its natural context
… challenged. The project in turn aims to create a shared resource facility for wider use by the Pretoria Zoo, schools around the city, and the general public.
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Schedulability analysis of resource access control protocols in real-time systems
… tasks. However, when concurrent tasks share resources in a mutually exclusive manner, the timing behavior of the system becomes less predictable. Due to the conflict in accessing shared resources, a high priority task may have to wait for the execution of a low priority task, a phenomenon …
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Shelfaware: Accelerating Collaborative Awareness with Shelf CRDT
… for subsequent writes to an existing key on a shared resource and completely prunes stale data from shared documents. These features allow us to keep the CRDT's memory footprint small, making it a feasible solution for memory constrained applications. Results show that our CRDT implementation …
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Process management applications in biopharmaceutical drug production
… These processes are studied collectively because shared resources make them a tightly coupled system. The research is presented in three sections. The first section explores the current state of the system and explains general performance trends. The second section examines the impact of …
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The Challenges and Opportunities in Monitoring and Modeling Waterborne Pathogens in Water- and Resource-Restricted Africa: Highlighting the critical need for multidisciplinary research and tool advancement
Water is a primary shared resource that connects all species across the landscape and can facilitate shared exposure to a community of waterborne pathogens. Despite remarkable global progress in sanitation and hygiene development in the past two decades, infectious diarrhea remains a prominent …
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Chorus: Model Kowledge Base for Perfomance Modeling in Datacenters
… in large datacenters. However, uncontrolled resource sharing between co-hosted applications often results in performance degradation problems, thus creating violations of service level agreements (SLAs) for service providers. Therefore, in order to meet per-application SLAs, per-application …
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Musicpainter : a collaborative composing environment
… collected and made available to all users as a shared composing resource. The collection provides a dynamic source of composing material that can be directly reused and it inspires users with more ideas. At the large scale, users can access full compositions that are shared as open projects. …
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Chemical Sensing as a Utility using Swept-Source Raman Spectroscopy
… a 16-sensor network that uses the laser as a shared resource and develop an engineering-based cost model that supports the scaling up of this network to dozens of sensors deployed over kilometers. Lastly, we monitor metabolites in a therapeutic-producing cell culture, and use linear regression …
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Lower bounds in distributed computing
… problem, in which a set of processes in a shared memory system compete for exclusive access to a shared resource. We prove a tight Q(n log n) lower bound on the time for n processes to each access the resource once. .
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Modeling and analysis of a three-species food web with facilitated and intraguild predation
… intraguild predators and their effects on a shared resource. Interactions between ghost crabs and sea turtle eggs and facilitation can yield a wide variety of species abundance responses and were influential factors in the model. I found that high secondary sea turtle egg depredation and low …
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The staying power of perceptions in a dynamic system : a longitudinal stakeholder analysis in the Yellowstone River Valley
… for long-term sustainability planning. For shared resource systems where decision making is increasingly democratized, agencies engage stakeholders to document local understandings of physical processes useful for resource management. For a variety of fiscal, logistical, and policy reasons, …
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A real-time scratchpad-centric OS for multi-core embedded systems
… due to the fact that the multicore systems have shared resources such as DRAM, BUS and caches which make the system highly unpredictable. One way to achieve predictability in such systems is to serialize the access of the cores to the shared resources such that there is no contention. Another …
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Extending the analysis of the FlipIt game
… takes control over a system or critical resource completely, learns all its secret information and this is not immediately detected by the system owner. As mentioned in the original paper', FlipIt is a two-player game between an attacker and a defender, in which both players try to …
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Embracing interference in wireless systems
The wireless medium is a shared resource. If nearby devices transmit at the same time, their signals interfere, resulting in a collision. In traditional networks, collisions cause the loss of the transmitted information. For this reason, wireless networks have been designed with the assumption that …
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