Information Systems Basics

An Overview of Virtual Private Network (VPN) Technology

Virtual private networks (VPN) have gained popularity as a secure and cheaper medium for sensitive information to be accessed and transmitted between two or more corporate network over a public network such as the internet, other network technologies have been innovated and used to connect within business sites and across to other sites that are miles away from each other.

In the sixties, sites were connected together to enable data transfer through the use of analog phone lines and 2,400-bps modems leased from AT&T, businesses had no other faster modems they could choose from because the telephone companies were controlled by the government.… Read the rest

Abey Francis

Case Study of FedEx: Pioneer of Internet Business in the Global Transportation and Logistics Industry

Transportation is one of the largest industries in the world, and its sector range is very wide which include taxis, truck, train, ships, barges, airplanes, pipelines, warehouse and logistics service. For the industry, the three main trends were globalization of business, information technology development and new technology to support process efficient, and the market demand for more value-added. Hence, the companies in transportation and logistics industry depend on the global network of distribution centres to gain quick payment cycle and cheaper resources. In FedEx Corporation, as a leader firm in the industry, its centralized structures have always required, and facilitated billion dollar investments in IT and established the website from 1994.… Read the rest

Abey Francis

A Phased Approach to Software Development

A software comprises of programs and associated data and documentation. Each of these items is a part of software development process. Software development process  is a structure imposed on the development of a software product. The process includes the phased approach to software development, software development models, the software development processes and the software project management processes.The main problems for software development currently are: high cost, low quality and frequent changes causing change and rework. Software has become a limiting factor in the evolution of computer-based systems. The intent of software development is to produce a framework for building higher quality software.… Read the rest

Abey Francis

Business Intelligence (BI)

Business Intelligence is the process of discovering and analyzing data to make informed business decisions. The management in any business needs this aspect of management as part of the companies integral infrastructure in today’s world in order for the business to succeed.  The data collected from many of the data collecting sources is used to determine trends, or measure, manage and improve on the performances of individuals, processes, teams and business units.  The enterprise refers to any business organisation that uses computers as an integral part of their business and relies on it for that businesses development.

The History Of Business Intelligence

The term Business Intelligence was coined by the Gartner group in mid-1990s.… Read the rest

Abey Francis

Information Visualization

Information visualization is the process of showing the data in a graphical display which we cannot explain using words and text. In other words information visualization is a set of technologies that use visual computing to amplify human cognition with abstract information. The greatest advantage of information visualization is its ability to show the amounts of information that are beyond the capacity of textual display. Information visualization can significantly improve productivity. Users can explore large amounts of data, rapidly assimilate information from many sources, reason with it, understand it and create new knowledge based on it. With the right visual picture, people can make better decisions, faster, backed with more information.… Read the rest

Abey Francis

Text Mining Concept in Data Mining

Data mining is the process of extracting patterns from data. Data mining is becoming an increasingly important tool to transform the data into information. It is commonly used in a wide range of profiling practices, such as marketing, surveillance, fraud detection and scientific discovery. Data mining can be applied on a variety of data types. Data types include structured data (relational), multimedia data, free text, and hypertext.

Nowadays, text is the most common and convenient way for information exchange. This due to the fact that much of the world’s data is contained in text documents (newspaper articles, emails, literature, web pages, etc.).… Read the rest

Abey Francis