Information Theory, Systems Theory, Networks, Systems, Processes.Pdf

Topics: Systems theory, Turning Torso, Taipei 101 Pages: 3 (968 words) Published: July 3, 2013
Information theory is a branch of applied mathematics and electrical engineering involving the quantification of information. Information theory was developed by Claude E. Shannon to find fundamental limits on signal processing operations such as compressing data and on reliably storing and communicating data. Since its inception it has broadened to find applications in many other areas, including statistical inference, natural language processing, cryptography generally, networks other than communication networks — as in neurobiology, the evolution and function of molecular codes, model selection in ecology, thermal physics, quantum computing, plagiarism detection and other forms of data analysis. A key measure of information is known as entropy, which is usually expressed by the average number of bits needed to store or communicate one symbol in a message. Entropy quantifies the uncertainty involved in predicting the value of a random variable. For example, specifying the outcome of a fair coin flip (two equally likely outcomes) provides less information (lower entropy) than specifying the outcome from a roll of a die (six equally likely outcomes).

Hearst Tower (New York City) The six-story base of the headquarters building was commissioned by the founder, William Randolph Hearst and awarded to the architect Joseph Urban. The building was completed in 1928 at a cost of $2 million and contained 40,000 square feet (3,700 m2). The original cast stone

facade has been preserved in the new design as a designated Landmark site. Originally built as the base for a proposed skyscraper, the construction of the tower was postponed due to the Great Depression. The new tower addition was completed nearly seventy years later, and 10,000 Hearst employees moved in on 26 June 2006. The tower – designed by the architect Norman Foster, structurally engineered by WSP Cantor Seinuk, and constructed by Turner construction – is 46 stories tall, standing 182 meters (597 ft) with...
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