CROWDSOURCING Refers to an article in the Convergence the international journal of research into new media technologies by Daren C.Brabham, Crowdsourcing as a Model for Problem Solving; crowdsourcing is the act of a company or institution taking a function once performed by employees and outsourcing it to an undefined (and generally large) network of people in the form of an open call. This can take the form of peer-production (when the job is performed collaboratively), but is also often undertaken by sole individuals. The crucial prerequisite is the use of the open call format and the large network of potential laborers (Brabham, 2008). Simply says that crowdsourcing is the process acquiring needed services, ideas, or content by requesting …show more content…
When it is viewed in the context of critical, participation of Geographic Information System (GIS), questions about the nature of participation, power relations and other societal aspects of VGI are opened- hence, the process of creating VGI is important as analyzing product (Haklay, …show more content…
Web -based applications often run in a Web browser. However, web -based applications are also may be client-based, in which parts of the program is downloaded to the user's desktop, but the processing is done through the Internet on an external server. Web -based applications are also known as Web applications (Janssen, 2010). For example, most of beginners are not familiar with installation of GIS software. In addition, the critical constraints for installing software might be occurred to operation environment such as operating system, had by the system administrator. To solve this problem, we chose to develop a web -based GIS (Web-GIS), which can be operated only with the internet web browser. Recently, web -based applications have become popular among Internet users such as application by Google. They are developed by JavaScript, which is usually done on internet web browser. Therefore, web -based applications is less dependent on the operating environment and can be a good solution for crowd-sourcing