Victorian Petroleum Companies
Gold was known by the Indians to exist in the United States long before the white people discovered it, but unlike the Indians of Mexico, the more northern natives did not make elaborate use of it, and it did not seriously attract the attention of the settlers until shortly before the beginning of the nineteenth century. No very important mining, however, was done until after 1800, when a little gold began to be obtained in North Carolina. Long before that time the gold of California had also been known to the natives and to the Franciscan monks, but that country then belonged to Mexico and was not taken by the United States until 1846...
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Publisher of the acclaimed Official Guide to the Jurassic Coast, Coastal Publishing Limited is a fast growing publisher with an expanding list of books with regional interest and national appeal. This book suggests ten walks in nine of the Areas that comprise the Cornwall and West Devon Mining Landscape World Heritage Site, each played a major part in the development of Britain as a great industrial nation. Natural resources and human skill, ingenuity and labour were equal factors in this contribution. Today, the ten Areas offer the visitor natural beauty and a rich heritage of the mining industry that was once so important to the nation; they combine to produce a fascinating landscape. The walks are suitable for all the family and none are strenuous. The route of each walk is overlaid onto stunning aerial photography, showing walkers the landscape and features, followed by a description of each walk and information about the area. As well as the walks there are details of places to explore and attractions to visit - all you need for a memorable day out! Come and explore dramatic cliffs, golden beaches, hidden valleys and beautiful countryside, and learn about the endeavours of the miners, engineers, surface workers and 'mineral lords', as well as about the natural processes that endowed the land with such mineral wealth. It is an amazing story!
Read Gold Fever! to find out the answers to these questions.
As data mining algorithms are typically applied to sizable volumes of high-dimensional data, these can result in large storage requirements and inefficient computation times.
This unique text/reference addresses the challenges of data abstraction generation using a least number of database scans, compressing data through novel lossy and non-lossy schemes, and carrying out clustering and classification directly in the compressed domain. Schemes are presented which are shown to be efficient both in terms of space and time, while simultaneously providing the same or better classification accuracy, as illustrated using high-dimensional handwritten digit data and a large intrusion detection dataset.
Topics and features: presents a concise introduction to data mining paradigms, data compression, and mining compressed data; describes a non-lossy compression scheme based on run-length encoding of patterns with binary valued features; proposes a lossy compression scheme that recognizes a pattern as a sequence of features and identifying subsequences; examines whether the identification of prototypes and features can be achieved simultaneously through lossy compression and efficient clustering; discusses ways to make use of domain knowledge in generating abstraction; reviews optimal prototype selection using genetic algorithms; suggests possible ways of dealing with big data problems using multiagent systems.
A must-read for all researchers involved in data mining and big data, the book proposes each algorithm within a discussion of the wider context, implementation details and experimental results. These are further supported by bibliographic notes and a glossary."
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