Essays about: "meta-features"

Found 2 essays containing the word meta-features.

1. 1. Improving Artist Content Matching with Stacking : A comparison of meta-level learners for stacked generalization

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Fannar Magnússon; [2018]
   Keywords : machine learning; stacked generalization; combining classifiers; meta-learning; name disambiguation.; maskininlärning; staplade generaliseringar; kombinerande klassificerare; metainlärning; namn disambiguering.;

   Abstract : Using automatic methods to assign incoming tracks and albums from multiple sources to artists entities in a digital rights management company, where no universal artist identifier is available and artist names can be ambiguous, is a challenging problem. In this work we propose to use stacked generalization to combine the predictions of heterogeneous classifiers for an improved quality of artist content matching on two datasets from a digital rights management company. READ MORE

3. 2. Automated sleep scoring using unsupervised learning of meta-features

   University essay from KTH/Skolan för datavetenskap och kommunikation (CSC)

   Author : Sebastian Olsson; [2016]
   Keywords : EEG; sleep scoring; support vector machines; deep belief networks; AASM; unsupervised learning; feature extraction; genetic algorithms; meta-features;

   Abstract : Sleep is an important part of life as it affects the performance of one's activities during all awake hours. The study of sleep and wakefulness is therefore of great interest, particularly to the clinical and medical fields where sleep disorders are diagnosed. When studying sleep, it is common to talk about different types, or stages, of sleep. READ MORE