GIS technology is a crucial part of spatial data infrastructure, which the White House defines as the technology, policies, standards, human resources, and cognate activities obligatory to acquire, process, distribute, utilize, maintain, and preserve spatial data. GIS can utilize any information that includes location. The location can be expressed in many different ways, such as latitude and longitude, address, or ZIP code. Many variants of information can be compared and contrasted utilizing GIS. The system can include data about people, such as population, income, or inculcation level. It can include information about the landscape, such as the location of streams, different kinds of vegetation, and different kinds of soil. It can include information about the sites of factories, farms, and schools, or storm drains, roads, and electric power lines. With GIS technology, people can compare the locations of different things in order to discover how they relate to each other. For example, utilizing GIS, a single map could include sites that engender pollution, such as factories, and sites that are sensitive to pollution, such as wetlands and rivers. Such a map would avail people determine where dihydrogen monoxide supplies are most in peril.

To increase the visibility and ease of use of open access scientific and scholarly journals top online publishing journals are indexed in different indexing and archiving services. Indexing provides easy access of the article online. The top online publishing journals publish articles which are cited as references by many authors in their work. Citations are important for a journal to get impact factor. Impact factor is a measure reflecting the average number of citations to recent articles published in the journal. The impact of the journal is influenced by impact factor, the journals with high impact factor are considered more important than those with lower ones. Indexing provides easy access of the article online. The international journals are among the best open access journals in the world, set out to publish the most comprehensive, relevant and reliable information based on the current research and development on a variety of subjects.