Human-Computer Interaction

INTERACT 2015: Human-Computer Interaction – INTERACT 2015 pp 149-166 | Cite as

Entity-Centric Visualization of Open Data

  • Sajan Raj Ojha
  • Mladjan Jovanovic
  • Fausto Giunchiglia
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9298)

Abstract

The diversity, which is intrinsic to open data, affects intuitiveness and acceptance from the end users perspective. While the existing visualization techniques provide various ways to exploit open data in different domains, they still lack mechanisms to capture generality and flexibility across highly heterogeneous data representations that are crucial in the open data domain. We propose a novel visualization approach that exploits an entity-centric representation of open data. The key idea is that people intuitively perceive things as entities and categorize them according to their similarities and differences. The approach is supported by a UI architecture that allows aligning underlying open data described by the entities with a meaningful user experience. A preliminary user study shows the feasibility of our approach and its potential in turning the exploitation of open data catalogues into a positive user experience.

Keywords

HCI Open data Linked open data (LOD) Usability User experience (UX) Visualization 

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Copyright information

© IFIP International Federation for Information Processing 2015

Authors and Affiliations

  • Sajan Raj Ojha
    • 1
  • Mladjan Jovanovic
    • 1
  • Fausto Giunchiglia
    • 1
  1. 1.Department of Information Engineering and Computer ScienceUniversity of TrentoTrentoItaly

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