A geographic information system (GIS) may be a system designed to capture, store, manipulate and analyze all kinds of geographical knowledge. The signifier GIS is usually used for geographical science or geospatial data studies to ask tutorial discipline or career of operating with geographic data systems and may be a giant domain among the broader academic discipline of Geoinformatics. Within the simplest terms, GIS is that the merging of making, applied mathematics analysis, and engineering technology. Geographic Information Systems are in particularly the most versatile and most sought after tools for analyzing and extracting an accurate piece of information. Not only this Geographic Information Systems are very handy and provide at hand real time information in case of any adversity or calamity. A Geographic Information System may be thought of as a system. it digitally makes and "manipulates" abstraction areas which will be territorial, purpose, or application-oriented. Hence, a GIS developed for associate application, jurisdiction, enterprise, or purpose might not be essentially practical or compatible with a GIS that has been developed for a few alternative application, jurisdiction, enterprise, or purpose.
The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.
Last date updated on June, 2014