At least four people, including three children, have been killed in a mass shooting at a children's birthday party in California, authorities say. The victims were eight, nine, 14 and 21 years old, a ...

Abstract: This work presents a methodology for specifying unambiguous functional requirements. It is based on filling out a format with three main sections, namely: title, short definition, and ...

In a statement confirming her death Thursday night, the commander of Joint Task Force District of Columbia hailed Army National Guard Spc. Sarah Beckstrom as "a hero." "This is a devastating loss to ...