Rating Newest Oldest. Best Answer: Orbison, who smoked most of his life, had triple heart bypass surgery on January 18, 1978. On December 6, 1988, at the age of 52, he suffered a fatal heart attack while visiting his mother in the Nashville, Tennessee suburb of Hendersonville. [1] At the direction of his second wife, Barbara, Orbison was interred on December 15, 1988, in the Westwood Village Memorial Park Cemetery in Westwood, California.
Collaborative filtering (CF) is a technique used by some recommender systems. Collaborative filtering has two senses, a narrow one and a more general one. In general, collaborative filtering is the process of filtering for information or patterns using techniques involving collaboration among multiple agents, viewpoints, data sources, etc. [1] Applications of collaborative filtering typically involve very large data sets.
Typically, the workflow of a collaborative filtering system is: 1  A user expresses his or her preferences by rating items (eg. books, movies or CDs) of the system. These ratings can be viewed as an approximate representation of the user's interest in the corresponding domain.