SVIQUEL: A spatial visual query and exploration language

  • Sudhir Kaushik
  • Elke A. Rundensteiner
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1460)

Abstract

This paper represents the first effort to apply direct-manipulation (VIS) techniques to spatial data exploration providing mechanisms for visually querying as well as browsing spatial data and for reviewing the visual results for trend discovery. We present a visual query language (SVIQUEL) which allows us to specify the relative spatial position (both topology and direction) between objects using direct manipulation of spatial query filters, called S-sliders. The S-sliders for the selection of precise numeric ranges for query dimensions are complimented by Active- Picture- for- Querying (APIQ), a qualitative directmanipulation query paradigm. SVIQUEL thus supports spatial browsing and spatial trend discovery with no particular query in mind. The tight coupling between the quantitative S-sliders and qualitative APIQ allows the users to work either qualitatively or quantitatively depending on his/her particular needs and freely switch between the two while working in a continuous data exploration mode.

Keywords

Reference Object Tight Coupling Direct Manipulation Spatial Query Minimum Bounding Rectangle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Sudhir Kaushik
    • 1
  • Elke A. Rundensteiner
    • 1
  1. 1.Department of Computer ScienceWorcester Polytechnic InstituteWorcester

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