930 resultados para City University of New York. City College.
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At head of title : Columbia college in the city of New York.
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Avery Classics (Offsite) copy: Seymour B. Durst Old York Library Collection, Avery Architectural & Fine Arts Library, Columbia University.
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Joint thesis (M. E.)--Cornell University, June, 1900.
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Avery Classics (Offsite) copy: Inscribed by the author to Peter Stuyvesant.
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Goldsmiths'-Kress no. 27279.
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Mode of access: Internet.
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This study identifies a measure of the cultural importance of an area within a city. It does so by making use of origindestination trip data and the bike stations of the bike share system in New York City as a proxy to study the city. Rarely is movement in the city studied at such a small scale. The change in strength of the similarity of movement between each station is studied. It is the first study to provide this measure of importance for every point in the system. This measure is then related to the characteristics which make for vibrant city communities, namely highly mixed land use types. It reveals that the spatial pattern of important areas remains constant over differing time periods. Communities are then characterised by the land uses surrounding these stations with high measures of importance. Finally it identifies the areas of global cultural importance alongside the areas of local importance to the city.
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Signed by Jacob Morris, President, and William Henderson, Secretary.
EPANET Input Files of New York tunnels and Pacific City used in a metamodel-based optimization study
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Metamodels have proven be very useful when it comes to reducing the computational requirements of Evolutionary Algorithm-based optimization by acting as quick-solving surrogates for slow-solving fitness functions. The relationship between metamodel scope and objective function varies between applications, that is, in some cases the metamodel acts as a surrogate for the whole fitness function, whereas in other cases it replaces only a component of the fitness function. This paper presents a formalized qualitative process to evaluate a fitness function to determine the most suitable metamodel scope so as to increase the likelihood of calibrating a high-fidelity metamodel and hence obtain good optimization results in a reasonable amount of time. The process is applied to the risk-based optimization of water distribution systems; a very computationally-intensive problem for real-world systems. The process is validated with a simple case study (modified New York Tunnels) and the power of metamodelling is demonstrated on a real-world case study (Pacific City) with a computational speed-up of several orders of magnitude.
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1912
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1910
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1912, pt. 2
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1918, pt.1