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.
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Showing 1 to 20 of 192 for “"Completion Time"”.
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Factors Influencing The Accuracy Of Task Completion Time Estimates
… that people tend to underestimate their task completion times (e.g., Buehler et al., 1994), factors that might influence the accuracy of temporal predictions have received little empirical treatment. The research presented in this thesis identified two distinct factors that mediated time …
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An Analysis of the Two-Machine Static, Stochastic Flowshop With Linear Completion Time Costs
… with independent, exponential job processing times and linear completion time or penalty costs. The objective was to find a job sequence which minimizes the expected total penalty cost for all the jobs. This performance measure is more complicated and more complete than that used in all the …
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Effects of Handedness on Completion Time during Performance of Multiple Tasks Using “Proper” and “Improper” Tools
… identified the dominant hand and measured task completion time between each of two tasks, 1) the use of left and right-handed scissors using the right hand, and 2) Mouse Manipulation Task using the calculator provided by the computer with a left and right-handed mouse using the right hand. …
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Phurti: application and network-aware flow scheduling for MapReduce
… to optimize network-level metrics such as flow completion time or throughput. Some recent schemes propose using application-aware scheduling which can reduce the average job completion time. However, most of them treat the core network as a black box with sufficient capacity. Even if only one …
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A study on the effects of music on performance outcomes of Judo competitors
… on sporting performance, measured by circuit completion time on a self-paced pyramid circuit (maximum ten minutes). A total of thirty-one participants (Mage = 30.13yrs, SD = 12.22 yrs; m = 24, f = 7) participated in a weekly pyramid circuit used as the warm up for a competitive training …
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Learned scheduling for database management systems
… an objective, such as reducing average job completion time. We use existing training techniques for job schedulers with dependency constraints. However, the model is specialized for database workloads using features specific to database queries, such as node operator type. In addition, we …
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The effects of recognition accuracy and vocabulary size of a speech recognition system on task performance and user acceptance
… under each of the treatment conditions. Task completion time and the number of errors remaining at the end of each session were recorded. After each session, subjects rated the recognition device used as to its acceptability for the task. The accuracy level at which the recognizer was …
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An Investigation into the Effects of Chemical Protective Clothing on Team Process Performance
… in difficulty communicating, increased task completion time, and reduced productivity. Studies investigating the effects of protective clothing generally focus on individuals; however, the military has produced research related to the effects of Mission Oriented Protective Posture (MOPP) on …
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An experimental investigation of sensory feedback methods within teleoperation robotic systems
… multiple feedback methods in relation to overall completion time, error rate, perceived workload (using NASA-TLX) and frustration. A 24 participant study is presented, with results demonstrating no significant findings in relation to the reduction of task completion time and error rate with the …
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CATS: Cloud application-specific traffic scheduling and routing
… Overlay Networks). Phurti improves MapReduce job completion time for 95% of the jobs and decreases average job completion time by 20%, while CRONets improves 78% of the default Internet paths with a median improvement factor of 3.27 and 1.67 times for more than 6,600 Internet paths examined.
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Some Challenging Aspects of Optimal Power Management of Unmanned Aerial Vehicle Modular Hybrid Propulsion Systems
… Survey mission execution optimized for minimum completion time, there are three distinct regimes defined by energy storage system (ESS) mass ratio values 𝑅ₘ₁ and 𝑅ₘ₂. MHPS configurations with 𝑅ₘ₁ ≤ 𝑅ₘ ≤ 𝑅ₘ₂ can achieve the minimum attainable mission completion time; mission completion time is …
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Performance and Usability of Force Feedback and Auditory Substitutions in a Virtual Environment Manipulation Task
… for the manipulation task was measured through completion time and the number of collisions made, as well as subjective measures of usability. Results indicated that completion times were slower and collision counts were higher for males with the addition of haptics (ptime = 0.03; …
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The Application Of "crashing" A Project Network To Solve The Time/cost Tradeoff In Recapitalization Of The Uh-60a Helicopter
… asked to perform "more with less" in expeditious time while attempting to balance the inevitable challenge of the time/cost tradeoff. This is especially true within the Department of Defense today in prosecuting the Global War on Terrorism both in Afghanistan and Iraq. An unprecedented and …
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The Effects of Feedback Sequence on Cognitive Performance
… 30%-40% accuracy range. Third trial accuracy and completion time were measured as was locus of control via the Internal Control Index (ICI) survey. Analyses revealed an effect of feedback sequence on accuracy, but not on completion time. The no-feedback control group performed with lower accuracy …
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Towards Dynamic Vehicular Clouds
… predictions. Just as in conventional clouds, job completion time ranks high among the fundamental quantitative performance figures of merit. In general, predicting job completion time requires full knowledge of the probability distributions of the intervening random variables. More often than not, …
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Order scheduling in dedicated and flexible machine environments
… the order has been completed. Thus, the finish time of an order is the time when the last job of the order has been completed. Even though the idea is somewhat new that order scheduling measures the overall completion time of a set of jobs (i.e., an order requesting different product types) …
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Benefits of opportunistic routing, implicit acknowledgments, and network coding on a linear broadcast network
… studied using the mean and variance of the completion time as metrics. The protocols studied use end-to-end retransmission, end-to-end coding, and link-by-link retransmission with network coding both with and without opportunistic routing. Simulation and analytical results are presented. …
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Algorithms and complexity analyses for some combinational optimization problems
… A job may also have an arbitrary release time before which the preprocessing task is not available to be processed. The main objective in this dissertation is to minimize the total completion time or the makespan. Both the complexity and algorithmic issues of these problems are considered. …
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The Effect of Shift Turnover Strategy and Time Pressure on Aviation Maintenance Technician Performance
… aviation accidents and incidents. Additionally, time constraints on certain maintenance tasks may cause AMTs to commit error when performing a task. The present study examined the effect of shift turnover strategy (face-to-face or written) and time pressure on error capture, accuracy, and …
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Fault Tolerance for Real-Time Systems: Analysis and Optimization of Roll-back Recovery with Checkpointing
… presence of soft errors, it usually introduces a time overhead. The time overhead is particularly important for a group of computer systems referred to as real-time systems (RTSs) where correct operation is defined as producing the correct result of a computation while satisfying given time …
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