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 2590 for “"randomized"”.
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The randomized server problem
… and Reischuk. (3) We give optimally competitive randomized algorithms for 2 and 3 cache paging with few bookmarks. We note that the paging problem is a special case of the server problem, and that it is desirable to minimize the number of bookmarks, as such bookmarks pose a considerable challenge …
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Discrete-time randomized sampling
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Analysis of randomized security protocols
Made available in DSpace on 2019-02-06T19:36:23Z (GMT). No. of bitstreams: 2 BAUER-DISSERTATION-2018.pdf: 942833 bytes, checksum: 783bd3a1adfd3dfd54474a5046e90152 (MD5) LICENSE.txt: 4210 bytes, checksum: 9c379298174d05b023e864fcc4653dd4 (MD5) Previous issue date: 2018-11-30
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Randomized algorithms for reliable broadcast
In this thesis, we design randomized algorithms for classical problems in fault tolerant distributed computing in the full-information model. The full-information model is a strong adversarial model which imposes no restrictions on the computational power of the faulty players nor on the …
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Ethical Challenges in Cluster Randomized Trials
Research Questions: This dissertation examines how ethical challenges in CRTs are addressed in practice. This dissertation also provides guidance as to who must be considered a research subject in a CRT, and when consent must be sought from research subjects. Methods: The association between …
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Randomized Algorithms for Mega-AI Models
Over the past few years, we have witnessed remarkable accomplishments in machine learning (ML) models due to increases in their sizes. However, the growth in model size has outpaced upgrades to hardware and network bandwidth, resulting in difficulties in training these Mega-AI models within current …
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Randomized sampling and multiplier-less filtering
… sampling and filtering. The first part develops randomized non-uniform sampling as a method to mitigate the effects of aliasing. Randomization of the sampling times is shown to convert aliasing error due to uniform under-sampling into uncorrelated shapeable noise. In certain applications, …
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Automated exploitation of fully randomized executables
Despite significant research into their remediation, memory corruption vulnerabilities remain a significant issue today. Attacks created to exploit these vulnerabilities are remarkably brittle due to their dependence on the presence of specific security settings, use of certain compiler toolchains, …
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Randomized estimates in power spectral analysis
… research was used to demonstrate how the randomized estimator φ*(ω<sub>α</sub>) would be calculated from real data. Using 900 observations on the pitching velocity of an aircraft, the power spectrum was estimated at ten points. The new estimator proved very tractable and it is felt that …
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THE EXTERNAL VALIDITY OF RANDOMIZED CLINICAL TRIALS.
THE EXTERNAL VALIDITY OF RANDOMIZED CLINICAL TRIALS.
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A new competitive analysis of randomized caching
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Publication and Registration Bias in Randomized Clinical Trials
… has identified the impact of publication bias in randomized clinical trials (RCTs). The prospective registration of RCTs provides a means to mitigate publication bias by allowing researchers to explore a source of trial information, that may or may not be published. This thesis offers a critical …
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THE CLASSROOM PASSWORD GROUP CONTINGENCY WITH RANDOMIZED REINFORCERS
<p>From the principles of reinforcement and punishment established by operant conditioning, there have been a variety of different behavior modification methods explored. Group contingencies are one of these behavior modification procedures that can be applied at a class-wide level by teachers who …
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MADD MESSAGE EFFECTS: A TWELVE-YEAR RANDOMIZED TRIAL
One out of three Americans undergoes drunk-driving crashes; 23% result in death. To deter DWIs (Driving While under Influence), MADD (Mothers Against Drunk Drivers) created VIPs (Victim Impact Panels) where victims impact offenders with gory stories, photos, and threats of punishments and loss of …
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Randomized Data Structures: New Perspectives and Hidden Surprises
… oldest and most basic questions in the theory of randomized data structures—questions such as: How efficient is a linear probing hash table? How fast can you maintain a sorted array of numbers? How big does a pointer have to be? With the help of new techniques, along with a willingness to look …
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Contact interpretation in randomized strategies for robotic assembly
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Uplift modeling for randomized experiments and observational studies
… We first consider the problem with data from randomized experiments. We put forward an unbiased estimate of the expected response, which makes it possible to evaluate an uplift model with multiple treatments. This is the first evaluation metric of uplift models aligning with the problem …
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Metagenomic Data Analysis Using Extremely Randomized Tree Algorithm
… study, an effective methodology, using Extremely Randomized Trees (ET) Algorithm, was formulated and demonstrated to capture such ARG variations and identify discriminatory ARGs among environmentally derived metagenomes. In this study, data were grouped by: geographic location (to understand the …
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RANDOMIZED CONTROLLED TRIAL OF INTERVENTIONS TO PROMOTE INTELLECTUAL HUMILITY
Although initial research has found evidence for the importance and benefits of intellectual humility (IH), limited work has been done on developing and evaluatin g interventions aimed at increasing IH . The present research aim ed to develop and evaluate intervention s to promote IH among a …
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