Gis

There are many definitions of GIS. For instance, Burrough in 1986 defined GIS as a powerful set of tools for collecting, storing, retrieving at will, transforming, and displaying spatial data from the real world. Parker defined it in 1988 as an information technology which stores, analyzes, and displays both spatial and nonspatial data. Lo and Yeung, in 2002, generally defined GIS as a set of computer-based systems for managing geographic data and using these data to solve spatial problems. In 2005, Longley et al. defined GIS as a tool for performing operations on geographic data that are too tedious or expensive or inaccurate if performed by hand.

10 Ways To Fight Off Cancer

10 Ways To Fight Off Cancer

Learning About 10 Ways Fight Off Cancer Can Have Amazing Benefits For Your Life The Best Tips On How To Keep This Killer At Bay Discovering that you or a loved one has cancer can be utterly terrifying. All the same, once you comprehend the causes of cancer and learn how to reverse those causes, you or your loved one may have more than a fighting chance of beating out cancer.

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