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Hansen, Samantha Leigh – ProQuest LLC, 2014
The focus of this thesis is on practical ways of designing optimization algorithms for minimizing large-scale nonlinear functions with applications in machine learning. Chapter 1 introduces the overarching ideas in the thesis. Chapters 2 and 3 are geared towards supervised machine learning applications that involve minimizing a sum of loss…
Descriptors: Artificial Intelligence, Mathematics, Classification, Methods
Aksut, Ann Ahu – ProQuest LLC, 2013
Numerous organizations collect and distribute non-aggregate personal data for a variety of different purposes, including demographic and public health research. In these situations, the data distributor is responsible with the protection of the anonymity and personal information of individuals. Microaggregation is one of the most commonly used…
Descriptors: Data Collection, Data Analysis, Multivariate Analysis, Disclosure
Korthikanti, Vijay Anand Reddy – ProQuest LLC, 2011
Energy consumption by computer systems has emerged as an important concern, both at the level of individual devices (limited battery capacity in mobile systems) and at the societal level (the production of Green House Gases). In parallel architectures, applications may be executed on a variable number of cores and these cores may operate at…
Descriptors: Energy, Computer System Design, Computer Oriented Programs, Performance
Ding, Shuai – ProQuest LLC, 2013
The inverted index is the main data structure used by all the major search engines. Search engines build an inverted index on their collection to speed up query processing. As the size of the web grows, the length of the inverted list structures, which can easily grow to hundreds of MBs or even GBs for common terms (roughly linear in the size of…
Descriptors: Search Engines, Internet, Indexes, Information Retrieval
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Boninger, Faith; Molnar, Alex; Murray, Kevin – National Education Policy Center, 2017
As schools continue to integrate technologies into every aspect of school life, those technologies are being harnessed to amplify corporate marketing and profit-making, extending the reach of commercializing activities into every aspect of students' school lives. Although marketers' school-focused efforts are often billed as "innovative"…
Descriptors: Commercialization, Privacy, Educational Policy, Marketing
Solis Robles, Roberto – ProQuest LLC, 2009
In wireless sensor networks, more so generally than in other types of distributed systems, clock synchronization is crucial since by having this service available, several applications such as media access protocols, object tracking, or data fusion, would improve their performance. In this dissertation, we propose a set of algorithms to achieve…
Descriptors: Computer Networks, Telecommunications, Time, Accuracy
Bao, Xiaowei – ProQuest LLC, 2009
During the last decade, global optimization has attracted a lot of attention due to the increased practical need for obtaining global solutions and the success in solving many global optimization problems that were previously considered intractable. In general, the central question of global optimization is to find an optimal solution to a given…
Descriptors: Programming, Mathematical Applications, Problem Solving, Computer Software
Ghosh, Indranil – ProQuest LLC, 2011
Consider a discrete bivariate random variable (X, Y) with possible values x[subscript 1], x[subscript 2],..., x[subscript I] for X and y[subscript 1], y[subscript 2],..., y[subscript J] for Y. Further suppose that the corresponding families of conditional distributions, for X given values of Y and of Y for given values of X are available. We…
Descriptors: Information Theory, Models, Programming, Mathematical Applications
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Ruais, Ronald W. – Mathematics Teacher, 1978
An algorithm is given for the addition and subtraction of fractions based on dividing the sum of diagonal numerator and denominator products by the product of the denominators. As an explanation of the teaching method, activities used in teaching are demonstrated. (MN)
Descriptors: Addition, Algorithms, Elementary School Mathematics, Experiential Learning
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Longford, N. T.; Muthen, B. O. – Psychometrika, 1992
A two-level model for factor analysis is defined, and formulas for a scoring algorithm for this model are derived. A simple noniterative method based on decomposition of total sums of the squares and cross-products is discussed and illustrated with simulated data and data from the Second International Mathematics Study. (SLD)
Descriptors: Algorithms, Cluster Analysis, Computer Simulation, Equations (Mathematics)