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Step therapy. Step therapy, also called step protocol or a fail first requirement, is a managed care approach to prescription. It is a type of prior authorization requirement that is intended to control the costs and risks posed by prescription drugs. The practice begins medication for a medical condition with the most cost-effective drug ...
Short integer solution problem. The Short Integer Solution (SIS) problem is an average case problem that is used in lattice-based cryptography constructions. Lattice-based cryptography began in 1996 from a seminal work by Ajtai [1] who presented a family of one-way functions based on the SIS problem. He showed that it is secure in an average ...
Peter Sís (born Petr Sís; May 11, 1949) is a Czech -born American illustrator and writer of children's books. [1] As a cartoonist his editorial illustrations have appeared in Time, Newsweek, Esquire, and The Atlantic Monthly. In 2012 he received the Hans Christian Andersen Medal for his "lasting contribution" as an illustrator of children's ...
Authentication and authorization infrastructure. Authentication and authorization infrastructure ( AAI) refers to a service and a procedure that enables members of different institutions to access protected information that is distributed on different web servers. Traditional approaches to authorization and access control in computer systems ...
Special Intelligence Service. The Special Intelligence Service was a covert counterintelligence branch of the United States Federal Bureau of Investigation (FBI) located in South America during World War II. It was established to monitor the activities of Nazi and pro-Nazi groups in Central and South America. The organization was a forerunner ...
Sibling relationship. Siblings play a unique role in one another's lives that simulates the companionship of parents as well as the influence and assistance of friends. [1] Because siblings often grow up in the same household, they have a large amount of exposure to one another, like other members of the immediate family.
SIS (motorbikes) SIS was an important Portuguese motorbike and moped manufacturer, based in Anadia. In addition to motorbikes it produced light three-wheeler pickup trucks (a type of vehicle once very popular, especially in Southern European countries). Its products used Sachs engines and were quite successful in the local market, especially in ...
The Serviço de Informações de Segurança or SIS (Portuguese for: Security Information Service) is the Portuguese Security and Secret Service agency founded in 1984. [1] The function of SIS is to guarantee the internal security and prevent cyber attacks , sabotage , terrorism , espionage and the practice of acts which, by their nature, can ...