Propagating Maximum Capacities for Recommendation

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Authors

Neighborhood-based approaches often fail in sparse scenarios; a direct implication for recommender systems exploiting co-occurring items is often an inappropriately poor performance. As a remedy, we propose to propagate information (e.g., similarities) across the item graph to leverage sparse data. Instead of processing only directly connected items (e.g. co-occurrences), the similarity of two items is defined as the maximum capacity path interconnecting them. Our approach resembles a generalization of neighborhood-based methods that are obtained as special cases when restricting path lengths to one. We present two efficient online computation schemes and report on empirical results.

Original languageEnglish
Title of host publicationKI 2017: Advances in Artificial Intelligence : 40th Annual German Conference on AI, Dortmund, Germany, September 25-29, 2017 : proceedings
Number of pages13
Place of PublicationCham, Schweiz
PublisherSpringer Verlag
Publication date2017
Pages72-84
ISBN (print)978-3-319-67189-5
ISBN (electronic)978-3-319-67190-1
DOIs
Publication statusPublished - 2017
Event40th German Conference on Artificial Intelligence - KI 2017 - Technische Universität Dortmund, Dortmund, Germany
Duration: 25.09.201729.09.2017
Conference number: 40
http://ki2017.tu-dortmund.de

    Research areas

  • Business informatics - Recommender systems, Maximum capacity paths, Information propagation, Sparsity, Co-occurrence, Cold-start problem

Recently viewed

Researchers

  1. Lea Wollschläger

Publications

  1. Differentiated Instruction Around the World - A Global Inclusive Insight
  2. Calculation of Physicochemical Properties for Short- and Medium-Chain Chlorinated Paraffins
  3. Log in and breathe out: internet-based recovery training for sleepless employees with work-related strain
  4. Asset Backed Securities
  5. New concepts of extrusion dies to reduce the anisotropy of extruded profiles by means of additive manufacturing
  6. Corporate social responsibility performance, reporting and generalized methods of moments (GMM)
  7. Faszination Programmierung
  8. Guest editorial
  9. Online hands-on trainings (real worlds in virtual environments)
  10. Traits of butterfly communities change from specialist to generalist characteristics with increasing land-use intensity
  11. Host plant availability potentially limits butterfly distributions under cold environmental conditions
  12. Land use change and the future of biodiversity
  13. Die Welteislehre
  14. Evidence-Based Management
  15. Group membership does not modulate automatic imitation
  16. Editorial zum Themenschwerpunkt
  17. Bundesrat
  18. Bunker schreiben
  19. Labour Market Participation of Older Workers
  20. Benno Reifenberg (1892-1970)
  21. Foreign and Domestic Takeovers in Germany: First Comparative Evidence on the Post-acquisition Target Performance using new Data
  22. How passion in entrepreneurship develops over time
  23. Investigation of interaction between forming processes and rotor geometries of screw machines
  24. Entrepreneuring as Multispecies Composting
  25. Fallstudie
  26. Am Grund des Anderen
  27. Wavelet characterizations for anisotropic Besov spaces with 0 p 1
  28. An-arche and Indifference
  29. Politics after Networks