A Recommender System Based On Web Data Mining for Personalized E-learning Jinhua Sun Department of Computer Science and Technology Xiamen University of Technology‚ XMUT Xiamen‚ China jhsun@xmut.edu.cn Yanqi Xie Department of Computer Science and Technology Xiamen University of Technology‚ XMUT Xiamen‚ China yqxie@xmut.edu.cn Abstract—In this paper‚ we introduce a web data mining solution to e-learning system to discover hidden patterns strategies from their learners and web data‚ describe
Premium Data mining World Wide Web Web page
mind when you think of coal mining? If you’re like me‚ coal mining means living in darkness and a cold hearted industry. Other words that come to mind are poverty and oppression. Coal mining is not a job that you dream about or get a degree for. People who are coal miners do not chose a life full of danger and repression‚ they get stuck with it. There are many dangers that come along with coal mining‚ not only for the workers‚ but for the environment. Coal mining and the coal industry have caused
Premium Coal Air pollution Coal mining
The goal of coal mining is to obtain coal from the ground. Coal is valued for its energy content‚ and‚ since the 1880s‚ has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United States‚ United Kingdom‚ and South Africa‚ a coal mine and its structures are a colliery. In Australia‚ "colliery" generally refers to an underground coal mine. Coal mining has had many developments over the recent
Premium Coal Natural gas Fossil fuel
Data Mining DM Defined Is the analysis of (often large) observational data sets to find unsuspected relationships and to summarize the data in novel ways that are both understandable and useful to the data owner Process of analyzing data from different perspectives and summarizing it into useful information A class of database applications that look for hidden patterns in a group of data that can be used to predict future behavior. DM Defined The relationships and summaries derived
Premium Data mining Data Data management
Gold Rush to Rail Road Invention The gold rush began at the beginning of the 1848 and continued till 1853. According to the author Orsi of the book The Elusive Eden‚ the Gold was first discovered by James Marshall at Sutter’s mill. This discovery of gold news started spreading all around the California and around the world. By the end of the 1848 news had reached Hawaii‚ Mexico‚ the Pacific Northwest‚ the Pacific Coast of South America‚ China‚ the East Coast of the United States‚ and Europe. The
Premium United States California California Gold Rush
MICROECONOMICS GROUP PROJECT Asteroid Mining—Money-Maker or Starry-Eyed Fantasy?” Houghton Mifflin Harcourt http://hmcurrentevents.com/asteroid-mining%E2%80%94money-maker-or-starry-eyed-fantasy/. March 2013 ARTICLE SUMMARY: “Asteroid Mining—Money-Maker or Starry-Eyed Fantasy?” Houghton Mifflin Harcourt http://hmcurrentevents.com/asteroid-mining%E2%80%94money-maker-or-starry-eyed-fantasy/. March 2013 Ever since a recent asteroid almost collided
Premium Supply and demand
The Gold Rush Of 1849 Would you travel‚ live‚ and work under harsh conditions for months to fulfill a dream? Thousands of gold hunters from all corners of the world did so in hopes of striking rich after a brief discovery of gold in the American territory of California. This huge worldwide flock of people became known as the California Gold Rush of 1849. The Gold Rush granted riches to and a handful of miners‚ but provided Americans as well as many foreigners a new homeland and life. At the start
Premium California Gold Rush
HRM 410 Group- A BACKGROUND AMC Moves to Colombia: AMC was one of the leading coal mining company in America for a long period of time and it was among the top 300 largest private companies in America before it shifted to Colombia. AMC had a reputation of providing high quality coal‚ reliable delivery and excellent service. AMC told its workers that the company would not transfer its operations to abroad but they did eventually. AMC moved to Colombia because the country provided some very crucial
Premium Colombia Coal
Coal Mining Coal mining is taking coal out of the earth for use as fuel‚ and there are two types of it: surface and mountaintop mining and underground mining. Coal is one of the most important resources because of its ability to be a fuel. Surface mining is used when the coal is near the surface‚ and a process known as strip mining extracts it; this is literally tearing a strip out of the earth to expose the coal. This is a highly controversial method though because by taking so many strips
Premium Mining Coal Iron
AMERICAN MINING COMPANY (AMC) IN COLOMBIA Background AMC is one of the leading coal mining companies in USA that had finished moving nearly all of its coal operation from the southern united state to premier mine in Northeast Colombia. Before move to Colombia.AMC was one of the the top 300 largest private companies in USA that providing high quality coal‚ reliable delivery and excellent service. By moving to Colombia‚ Mine Company provided three of numerous advantages for AMC such as type of
Premium Colombia