5,085 research outputs found

    CIFAR-10: KNN-based Ensemble of Classifiers

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    In this paper, we study the performance of different classifiers on the CIFAR-10 dataset, and build an ensemble of classifiers to reach a better performance. We show that, on CIFAR-10, K-Nearest Neighbors (KNN) and Convolutional Neural Network (CNN), on some classes, are mutually exclusive, thus yield in higher accuracy when combined. We reduce KNN overfitting using Principal Component Analysis (PCA), and ensemble it with a CNN to increase its accuracy. Our approach improves our best CNN model from 93.33% to 94.03%

    Imperial Intentions and Independent Interests: The Ohio Company of Virginia and its Agents, Thomas Cresap and Christopher Gist, 1748--1752

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    Thomas Cresap and Christopher Gist, two common men from Maryland, began working for the Ohio Company of Virginia in 1748, in an attempt to expand the British Empire\u27s claim in the Ohio River Valley by enlarging the colony of Virginia. This thesis analyses these two agents of empire and their trade and diplomacy with the Indians of the Ohio Valley, as well as their mapping and surveying. This thesis argues that these two on the ground agents were building the British Empire, through their work for the Ohio Company of Virginia. However, this was not their only imperial tie, there were many formal and informal ties that bound the Ohio Company to governmental officials. These ties often make it difficult to determine if Cresap and Gist were bring employed by the Ohio Company or the British Empire. This thesis explains the relationship between the Ohio Company, the Ohio Company employees and the British Empire and how the independent interests of the employees and the Company, made it possible for the British to expand into the Ohio River Valley, and compete in the race for empire in North America

    Growing epidemic of videogame addiction

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    Videogames are rapidly becoming more popular with children and adults alike. Ever since the mid 1980s, videogames have been a major part of pop culture and a widely accepted form of entertainment. With more advances of technology and internet, online gaming has also evolved. Massive Multiplayer Online Role Playing Games such as Everquest and World of Warcraft have become a topic of addiction (msnbc.com, 2008). Some individuals have neglected jobs, families, and personal well-being to continue to play these games, with signs of addiction mimicking substance addiction. The American Psychiatric Association is even considering involving videogame addiction as a compulsive behavioral disorder in the DSM-V (msnbc.com, 2008)
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