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254 \noindent |
254 \noindent |
255 In which order the elements of the list are given is unimportant.\\ |
255 In which order the elements of the list are given is unimportant.\\ |
256 \mbox{}\hfill [1 Mark] |
256 \mbox{}\hfill [1 Mark] |
257 |
257 |
258 \item[(4)] Implement a function that takes a ratings map and a movieID |
258 \item[(4)] Implement a function that takes a ratings map and a movieID |
259 as argument. The function calculates all suggestions containing the |
259 as arguments. The function calculates all suggestions containing the |
260 agiven movie in its recommendations. It returns a list of all these |
260 given movie in its recommendations. It returns a list of all these |
261 recommendations (each of them is a list and needs to have the given |
261 recommendations (each of them is a list and needs to have the given |
262 movie deleted, otherwise it might happen we recommend the same movie |
262 movie deleted, otherwise it might happen we recommend the same movie |
263 ``back''). For example for the Map from above and the movie |
263 ``back''). For example for the Map from above and the movie |
264 \pcode{"y"} we obtain \pcode{List(List("x"))}, and for the movie |
264 \pcode{"y"} we obtain \pcode{List(List("x"))}, and for the movie |
265 \pcode{"a"} we get \pcode{List(List("b"), List("c"))}.\\ |
265 \pcode{"a"} we get \pcode{List(List("b"), List("c"))}.\\ |