delete pages, prevent articles from being changed in case of vandalism or editorial disputes (setting. "Readability: A view from cognitive psychology." In Teaching: Research reviews. The sheer volume of content. "The concept of readability." Elementary English 26:23. "Wikimedia pornography row deepens as Wales cedes rights BBC News". Mapping Topics and Conflict Using Socially Annotated Category Structure Archived April 13, 2016, at the Wayback Machine In Proceedings of the 27th international Conference on Human Factors in Computing Systems (Boston, Massachusetts, USA, April 49, 2009). Retrieved November 22, 2007. Overview of system architecture as of December 2010 Wikipedia currently runs on dedicated clusters of Linux servers (mainly Ubuntu ). Although disputes usually arise site de rencontre meeting site de recontre sex from a disagreement between two opposing views on how an article should read, the Arbitration Committee explicitly refuses to directly rule on the specific view that should be adopted. Ahrens, Frank (July 9, 2006).