Essays about: "Johan Malmberg"

Found 2 essays containing the words Johan Malmberg.

1. 1. Exploiting user preference similarity transitivity in nearest neighbour recommender algorithms

   University essay from Lunds universitet/Matematisk statistik

   Author : Johan Malmberg; Magnus Öinert; [2015]
   Keywords : Recommender systems; Recommender algorithms; kNN; Nearest Neighbour; MovieLens; Collaborative Filtering.; Mathematics and Statistics;

   Abstract : This thesis explores the Nearest Neighbour recommender algorithm and a proposed way of recomputing the elements of a set, containing values from a similarity metric. In essence, this extends the neighbourhood used in the algorithm by making use of close neighbours’ neighbours. READ MORE

3. 2. Improving Aerodynamic Performance of a Truck: a Numerical Based Analysis

   University essay from KTH/Mekanik

   Author : Johan Malmberg; [2015]
   Keywords : ;

   Abstract : With a change in EU-legislation regarding the dimensions of heavy trucks [1] coming up, specifically allowing aerodynamic devices fitted to the back of trailers, the transportation industry is set to largely decrease its environmental impact in the near future. These aerodynamic devices have been researched for quite some time [2] but have not yet gained widespread market acceptance, partly because of the transportation industry’s complex owner structures and partly because of size regulations of the past. READ MORE