Heterogeneous Social Linked Data Integration and Sharing for Public Transportation

Table 4

Non-functional requirement.

No	Definition	Description
1	Usability	System states that all menus and navigation are easy to use, system can be used by adult members of the public without training
2	Security	System data are stored safely and protected
3	Compatibility	Different browser compatibility and operating system compatibility
4	Performance	All pages on website system load in less than 5 s
5	Extensibility	System architecture can integrate other new public transportation data
6	Availability	System shall be available for use within 24 hours a day