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ppt
ppt

... RM Assumptions: Schema All data conforms to a strict schema These schemas and their relationship to the data don't change much Everyone agrees on the meaning of the data No one cares where the data came from Michael Franklin, UC Berkeley ...
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... possible to see the spectral profile of the signal over a certain wavelength range. The profile is graphically displayed, with wavelength on the horizontal axis and power on the vertical axis. In this way, the many signals combined on a single fibre in a dense wavelength division multiplexing (DWDM) ...
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... • One orb client executable for each datalogger model • All data, state-of-health, commands exchanged through orb packets • Programs are generally threaded: many dataloggers served by each program instance • Huge amount of time and effort invested in these programs to foresee and circumvent every re ...
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... A Georelational to a Geodatabase Model • coverage and shapefile data structures – homogenous collections of points, lines, and polygons with generic, 1- and 2-dimensional "behavior" ...
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Hierarchical and Network Data Models
Hierarchical and Network Data Models

... Figure 1 to find out the names of the employees with the job title of administrative assistant, you would discover that there is no way the system can find the answer in a reasonable amount of time. This path through the data was not specified in advance. Relational DBMS, in contrast, have much more ...
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CPS 216: Advanced Database Systems

... – Homework Assignments 15% – Project 25% – Midterm 25% – Final 35% ...
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... be either retrieved via API exposed by an SOS server (“PULL” mode) or sent to the data management platform before being consolidated on the SOS server itself (“PUSH” mode). Formatted details are then sent to different systems (an HDFS distributed file system, two different NoSQL databases, a Time se ...
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... terms of numbers, the diode laser is the most common laser today. The 2 common families of diode lasers are composed of: * Ga AIAs (Gallium/Aluminum/Arsenide) with a wavelength output in the 750 to 950 nanometers (used in CD &CD/ROM players), * InGaAsP (Indium/Gallium/Arsenide/Phosphide) with a wave ...
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... Select one paper for each of the 5 topics, write a review for the paper. The review should include a summary of the paper, 3 strong points and 3 weak points, and more detailed comments and suggestions. Make an appointment with me to discuss these 5 papers. You should show me that you have deep under ...
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3D optical data storage



3D optical data storage is the term given to any form of optical data storage in which information can be recorded and/or read with three-dimensional resolution (as opposed to the two-dimensional resolution afforded, for example, by CD).This innovation has the potential to provide petabyte-level mass storage on DVD-sized discs (120mm). Data recording and readback are achieved by focusing lasers within the medium. However, because of the volumetric nature of the data structure, the laser light must travel through other data points before it reaches the point where reading or recording is desired. Therefore, some kind of nonlinearity is required to ensure that these other data points do not interfere with the addressing of the desired point.No commercial product based on 3D optical data storage has yet arrived on the mass market, although several companies are actively developing the technology and claim that it may become available ""soon"".
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