Query-Based Versus Resource-Based Cache Strategies in Tag-Based Browsing Systems

  • Joaquín Gayoso-Cabada
  • Mercedes Gómez-Albarrán
  • José-Luis SierraEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11279)


Tag-based browsing is a popular interaction model for navigating digital libraries. According to this model, users select descriptive tags to filter resources in the collections. Typical implementations of the model are based on inverted indexes. However, these implementations can require a considerable amount of set operations to update the browsing state. To palliate this inconvenience, it is possible to adopt suitable cache strategies. In this paper we describe and compare two of these strategies: (i) a query-based strategy, according to which previously computed browsing states are indexed by sets of selected tags; and (ii) a resource-based strategy, according to which browsing states are indexed by sets of filtered resources. Our comparison focused on runtime performance, and was carried out empirically, using a real-world web-based collection in the field of digital humanities. The results obtained show that the resource-based strategy clearly outperforms the query-based one.


Tag-based browsing Cache strategy Inverted indexes Digital humanities 



This research is supported by the research projects TIN2014-52010-R and TIN2017-88092-R. Also, we would like to thank Mercedes Guinea and Alfredo Fernández-Valmayor (El Caño Foundation, Panamá), for their work on Chasqui.


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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Joaquín Gayoso-Cabada
    • 1
  • Mercedes Gómez-Albarrán
    • 1
  • José-Luis Sierra
    • 1
    Email author
  1. 1.Universidad Complutense de MadridMadridSpain

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