web information usability is a new issue, which has attracted many specialists in these days. it has been of great importance regarding the increasing growth of web sites requiring quality monitoring. web quality measurement has intrinsic difficulties and complexities, pushing specialists to devise automatic ways to measure its different aspects, among them usability and accessibility. this stu...

Development and usage of online social networking web sites are growing rapidly. Millions members of these web sites publicly articulate mutual "friendship" relations and share user-created contents, such as photos, videos, files, and blogs. The advances in web designing technology and fast growing usage of online resources prompted web designers to improve features and architectures of social ...