information retrieval recommender system case study characteristics of wsn sensor node components ieee 1451 applications of wsn wsn protocol stack smart sensors types of sensors wireless sensor networks architecture design issues linux extended file system filesystem ext4 virtual file system lazy learners classifier distance measures categorical data document similarity knn similarity measure missing values classification euclidean distance modi script kohonen neural networks chain code hcr otsu binarization gis r-trees database indexing gist grid files spatial database content based recommendations content boosted collaborative filtering collaborative filtering data mining
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