### Abstract

article, we show glimpses of new developments in these aspects.

Language | English |
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Title of host publication | Solving Large Scale Learning Tasks. Challenges and Algorithms |

Subtitle of host publication | Springer Lecture Notes in Artificial Intelligence LNAI 9580 |

Editors | Stefan Michaelis, Nico Piatkowski, Marco Stolpe |

Place of Publication | Heidelberg, Berlin, New York |

Publisher | Springer International |

Pages | 148 |

Number of pages | 167 |

ISBN (Electronic) | 978-3-319-41706-6 |

ISBN (Print) | 978-3-319-41705-9 |

DOIs | |

Status | Published - 10 Jul 2016 |

Event | Workshop Machine Learning for Biomedicine at TU Graz - TU Graz, Graz, Austria Duration: 26 Jan 2016 → 26 Jan 2016 |

### Conference

Conference | Workshop Machine Learning for Biomedicine at TU Graz |
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Country | Austria |

City | Graz |

Period | 26/01/16 → 26/01/16 |

### Fingerprint

### Keywords

- Machine Learning
- Health Informatics
- Graph Learning
- Graph-Based Data Mining

### ASJC Scopus subject areas

- Artificial Intelligence

### Fields of Expertise

- Information, Communication & Computing

### Treatment code (Nähere Zuordnung)

- Basic - Fundamental (Grundlagenforschung)

### Cite this

*Solving Large Scale Learning Tasks. Challenges and Algorithms: Springer Lecture Notes in Artificial Intelligence LNAI 9580*(pp. 148). Heidelberg, Berlin, New York: Springer International. DOI: 10.1007/978-3-319-41706-6_7

**Knowledge Discovery from Complex High Dimensional Data.** / Lee, Sangkyun; Holzinger, Andreas.

Research output: Chapter in Book/Report/Conference proceeding › Chapter

*Solving Large Scale Learning Tasks. Challenges and Algorithms: Springer Lecture Notes in Artificial Intelligence LNAI 9580.*Springer International, Heidelberg, Berlin, New York, pp. 148, Workshop Machine Learning for Biomedicine at TU Graz, Graz, Austria, 26/01/16. DOI: 10.1007/978-3-319-41706-6_7

}

TY - CHAP

T1 - Knowledge Discovery from Complex High Dimensional Data

AU - Lee,Sangkyun

AU - Holzinger,Andreas

PY - 2016/7/10

Y1 - 2016/7/10

N2 - Modern data analysis is confronted by increasing dimensionality of problems, mainly contributed by higher resolutions available for data acquisition and by our use of larger models with more degrees of freedom to investigate complex systems deeper. High dimensionality constitutes one aspect of “big data”, which brings us not only computational but also statistical and perceptional challenges. Most data analysis problems are solved using techniques of optimization, where large-scale optimization requires faster algorithms and implementations. Computed solutions must be evaluated for statistical quality, since otherwise false discoveries can be made. Recent papers suggest to control and modify algorithms themselves for better statistical properties. Finally, human perception puts an inherent limit on our understanding to three dimensional spaces, making it almost impossible to grasp complex phenomena. For aid, we use dimensionality reduction or other techniques, but these usually do not capture relations between interesting objects. Here graph-based knowledge representation has lots of potential, for instance to create perceivable and interactive representations and to perform new types of analysis based on graph theory and network topology. In thisarticle, we show glimpses of new developments in these aspects.

AB - Modern data analysis is confronted by increasing dimensionality of problems, mainly contributed by higher resolutions available for data acquisition and by our use of larger models with more degrees of freedom to investigate complex systems deeper. High dimensionality constitutes one aspect of “big data”, which brings us not only computational but also statistical and perceptional challenges. Most data analysis problems are solved using techniques of optimization, where large-scale optimization requires faster algorithms and implementations. Computed solutions must be evaluated for statistical quality, since otherwise false discoveries can be made. Recent papers suggest to control and modify algorithms themselves for better statistical properties. Finally, human perception puts an inherent limit on our understanding to three dimensional spaces, making it almost impossible to grasp complex phenomena. For aid, we use dimensionality reduction or other techniques, but these usually do not capture relations between interesting objects. Here graph-based knowledge representation has lots of potential, for instance to create perceivable and interactive representations and to perform new types of analysis based on graph theory and network topology. In thisarticle, we show glimpses of new developments in these aspects.

KW - Machine Learning

KW - Health Informatics

KW - Graph Learning

KW - Graph-Based Data Mining

U2 - 10.1007/978-3-319-41706-6_7

DO - 10.1007/978-3-319-41706-6_7

M3 - Chapter

SN - 978-3-319-41705-9

SP - 148

BT - Solving Large Scale Learning Tasks. Challenges and Algorithms

PB - Springer International

CY - Heidelberg, Berlin, New York

ER -