International Conference of the Cross-Language Evaluation Forum for European Languages

Experimental IR Meets Multilinguality, Multimodality, and Interaction pp 497-517 | Cite as

Stream-Based Recommendations: Online and Offline Evaluation as a Service

  • Benjamin Kille
  • Andreas Lommatzsch
  • Roberto Turrin
  • András Serény
  • Martha Larson
  • Torben Brodt
  • Jonas Seiler
  • Frank Hopfgartner
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9283)

Abstract

Providing high-quality news recommendations is a challenging task because the set of potentially relevant news items changes continuously, the relevance of news highly depends on the context, and there are tight time constraints for computing recommendations. The CLEF NewsREEL challenge is a campaign-style evaluation lab allowing participants to evaluate and optimize news recommender algorithms online and offline. In this paper, we discuss the objectives and challenges of the NewsREEL lab. We motivate the metrics used for benchmarking the recommender algorithms and explain the challenge dataset. In addition, we introduce the evaluation framework that we have developed. The framework makes possible the reproducible evaluation of recommender algorithms for stream data, taking into account recommender precision as well as the technical complexity of the recommender algorithms.

Keywords

Recommender systems News Evaluation Living lab Stream-based recommender 

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Benjamin Kille
    • 1
  • Andreas Lommatzsch
    • 1
  • Roberto Turrin
    • 2
  • András Serény
    • 3
  • Martha Larson
    • 4
  • Torben Brodt
    • 5
  • Jonas Seiler
    • 5
  • Frank Hopfgartner
    • 6
  1. 1.TU BerlinBerlinGermany
  2. 2.ContentWise R&D - MoviriMilanItaly
  3. 3.Gravity R&DBudapestHungary
  4. 4.TU DelftDelftThe Netherlands
  5. 5.Plista GmbHBerlinGermany
  6. 6.University of GlasgowGlasgowUK

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