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Efficiency and economies of scale and specialization in European universities: A directional distance approach.

Cinzia DaraioAndrea BonaccorsiLéopold Simar
Published in: J. Informetrics (2015)
Keyphrases
  • real time
  • expert systems
  • scale space
  • databases
  • machine learning
  • information retrieval
  • feature space
  • small scale
  • scale invariant
  • scale invariance