FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2296490796> ?p ?o ?g. }

• W2296490796 abstract "Dimensionality reduction (DR) is often used as a preprocessing step in classification, but usually one first fixes the DR mapping, possibly using label information, and then learns a classifier (a filter approach). Best performance would be obtained by optimizing the classification error jointly over DR mapping and classifier (a wrapper approach), but this is a difficult nonconvex problem, particularly with nonlinear DR. Using the method of auxiliary coordinates, we give a simple, efficient algorithm to train a combination of nonlinear DR and a classifier, and apply it to a RBF mapping with a linear SVM. This alternates steps where we train the RBF mapping and a linear SVM as usual regression and classification, respectively, with a closed-form step that coordinates both. The resulting nonlinear low-dimensional classifier achieves classification errors competitive with the state-of-the-art but is fast at training and testing, and allows the user to trade off runtime for classification accuracy easily. We then study the role of nonlinear DR in linear classification, and the interplay between the DR mapping, the number of latent dimensions and the number of classes. When trained jointly, the DR mapping takes an extreme role in eliminating variation: it tends to collapse classes in latent space, erasing all manifold structure, and lay out class centroids so they are linearly separable with maximum margin." @default.
• W2296490796 created "2016-06-24" @default.
• W2296490796 creator A5005239198 @default.
• W2296490796 creator A5057957982 @default.
• W2296490796 date "2014-06-21" @default.
• W2296490796 modified "2023-10-14" @default.
• W2296490796 title "The Role of Dimensionality Reduction in Classification" @default.
• W2296490796 cites W1506806321 @default.
• W2296490796 cites W1523646822 @default.
• W2296490796 cites W1560724230 @default.
• W2296490796 cites W183078661 @default.
• W2296490796 cites W1967212196 @default.
• W2296490796 cites W2022499227 @default.
• W2296490796 cites W2098829660 @default.
• W2296490796 cites W2104752854 @default.
• W2296490796 cites W2106053110 @default.
• W2296490796 cites W2109531142 @default.
• W2296490796 cites W2111101775 @default.
• W2296490796 cites W2115729631 @default.
• W2296490796 cites W2117154949 @default.
• W2296490796 cites W2117260234 @default.
• W2296490796 cites W2119479037 @default.
• W2296490796 cites W2121647436 @default.
• W2296490796 cites W2133864802 @default.
• W2296490796 cites W2144935315 @default.
• W2296490796 cites W2150796457 @default.
• W2296490796 cites W2153635508 @default.
• W2296490796 cites W2169495281 @default.
• W2296490796 cites W2187089797 @default.
• W2296490796 cites W2963055445 @default.
• W2296490796 cites W3029645440 @default.
• W2296490796 doi "https://doi.org/10.1609/aaai.v28i1.8975" @default.
• W2296490796 hasPublicationYear "2014" @default.
• W2296490796 type Work @default.
• W2296490796 sameAs 2296490796 @default.
• W2296490796 citedByCount "19" @default.
• W2296490796 countsByYear W22964907962014 @default.
• W2296490796 countsByYear W22964907962016 @default.
• W2296490796 countsByYear W22964907962017 @default.
• W2296490796 countsByYear W22964907962018 @default.
• W2296490796 countsByYear W22964907962019 @default.
• W2296490796 countsByYear W22964907962020 @default.
• W2296490796 countsByYear W22964907962021 @default.
• W2296490796 countsByYear W22964907962022 @default.
• W2296490796 countsByYear W22964907962023 @default.
• W2296490796 crossrefType "journal-article" @default.
• W2296490796 hasAuthorship W2296490796A5005239198 @default.
• W2296490796 hasAuthorship W2296490796A5057957982 @default.
• W2296490796 hasBestOaLocation W22964907961 @default.
• W2296490796 hasConcept C121332964 @default.
• W2296490796 hasConcept C12267149 @default.
• W2296490796 hasConcept C12362212 @default.
• W2296490796 hasConcept C134306372 @default.
• W2296490796 hasConcept C139532973 @default.
• W2296490796 hasConcept C146599234 @default.
• W2296490796 hasConcept C151876577 @default.
• W2296490796 hasConcept C153180895 @default.
• W2296490796 hasConcept C154945302 @default.
• W2296490796 hasConcept C158622935 @default.
• W2296490796 hasConcept C173102733 @default.
• W2296490796 hasConcept C2524010 @default.
• W2296490796 hasConcept C33923547 @default.
• W2296490796 hasConcept C34736171 @default.
• W2296490796 hasConcept C41008148 @default.
• W2296490796 hasConcept C62520636 @default.
• W2296490796 hasConcept C70518039 @default.
• W2296490796 hasConcept C70710897 @default.
• W2296490796 hasConcept C95623464 @default.
• W2296490796 hasConceptScore W2296490796C121332964 @default.
• W2296490796 hasConceptScore W2296490796C12267149 @default.
• W2296490796 hasConceptScore W2296490796C12362212 @default.
• W2296490796 hasConceptScore W2296490796C134306372 @default.
• W2296490796 hasConceptScore W2296490796C139532973 @default.
• W2296490796 hasConceptScore W2296490796C146599234 @default.
• W2296490796 hasConceptScore W2296490796C151876577 @default.
• W2296490796 hasConceptScore W2296490796C153180895 @default.
• W2296490796 hasConceptScore W2296490796C154945302 @default.
• W2296490796 hasConceptScore W2296490796C158622935 @default.
• W2296490796 hasConceptScore W2296490796C173102733 @default.
• W2296490796 hasConceptScore W2296490796C2524010 @default.
• W2296490796 hasConceptScore W2296490796C33923547 @default.
• W2296490796 hasConceptScore W2296490796C34736171 @default.
• W2296490796 hasConceptScore W2296490796C41008148 @default.
• W2296490796 hasConceptScore W2296490796C62520636 @default.
• W2296490796 hasConceptScore W2296490796C70518039 @default.
• W2296490796 hasConceptScore W2296490796C70710897 @default.
• W2296490796 hasConceptScore W2296490796C95623464 @default.
• W2296490796 hasIssue "1" @default.
• W2296490796 hasLocation W22964907961 @default.
• W2296490796 hasOpenAccess W2296490796 @default.
• W2296490796 hasPrimaryLocation W22964907961 @default.
• W2296490796 hasRelatedWork W1845718094 @default.
• W2296490796 hasRelatedWork W1964081096 @default.
• W2296490796 hasRelatedWork W2004354694 @default.
• W2296490796 hasRelatedWork W2040550925 @default.
• W2296490796 hasRelatedWork W2130972437 @default.
• W2296490796 hasRelatedWork W2984688405 @default.
• W2296490796 hasRelatedWork W3096423661 @default.
• W2296490796 hasRelatedWork W3206106441 @default.
• W2296490796 hasRelatedWork W597801233 @default.

• next