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Interactive analysis of time intervals in a two-dimensional space

Yi Qiang (UGent) , Matthias Delafontaine (UGent) , Mathias Versichele (UGent) , Philippe De Maeyer (UGent) and Nico Van de Weghe (UGent)
(2012) INFORMATION VISUALIZATION. 11(4). p.255-272
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Abstract
Time intervals are conventionally represented as linear segments in a one-dimensional space. An alternative representation of time intervals is the triangular model (TM), which represents time intervals as points in a two-dimensional space. In this paper, the use of TM in visualising and analysing time intervals is investigated. Not only does this model offer a compact visualisation of the distribution of intervals, it also supports an innovative temporal query mechanism that relies on geometries in the two-dimensional space. This query mechanism has the potential to simplify queries that are difficult to specify using traditional linear temporal query devices. Moreover, a software prototype that implements TM in a geographical information system (GIS) is introduced. This prototype has been applied in a real scenario to analyse time intervals that were detected by a Bluetooth tracking system. This application shows that TM has the potential to support a traditional GIS to analyse interval-based geographical data.
Keywords
GIS, spatio-temporal data analysis, temporal query, time interval, triangular model, VISUALIZATION, BLUETOOTH, DATABASES, PATTERNS, EVENTS, CUBE

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Chicago
Qiang, Yi, Matthias Delafontaine, Mathias Versichele, Philippe De Maeyer, and Nico Van de Weghe. 2012. “Interactive Analysis of Time Intervals in a Two-dimensional Space.” Information Visualization 11 (4): 255–272.
APA
Qiang, Yi, Delafontaine, M., Versichele, M., De Maeyer, P., & Van de Weghe, N. (2012). Interactive analysis of time intervals in a two-dimensional space. INFORMATION VISUALIZATION, 11(4), 255–272.
Vancouver
1.
Qiang Y, Delafontaine M, Versichele M, De Maeyer P, Van de Weghe N. Interactive analysis of time intervals in a two-dimensional space. INFORMATION VISUALIZATION. 2012;11(4):255–72.
MLA
Qiang, Yi, Matthias Delafontaine, Mathias Versichele, et al. “Interactive Analysis of Time Intervals in a Two-dimensional Space.” INFORMATION VISUALIZATION 11.4 (2012): 255–272. Print.
@article{2998976,
  abstract     = {Time intervals are conventionally represented as linear segments in a one-dimensional space. An alternative representation of time intervals is the triangular model (TM), which represents time intervals as points in a two-dimensional space. In this paper, the use of TM in visualising and analysing time intervals is investigated. Not only does this model offer a compact visualisation of the distribution of intervals, it also supports an innovative temporal query mechanism that relies on geometries in the two-dimensional space. This query mechanism has the potential to simplify queries that are difficult to specify using traditional linear temporal query devices. Moreover, a software prototype that implements TM in a geographical information system (GIS) is introduced. This prototype has been applied in a real scenario to analyse time intervals that were detected by a Bluetooth tracking system. This application shows that TM has the potential to support a traditional GIS to analyse interval-based geographical data.},
  author       = {Qiang, Yi and Delafontaine, Matthias and Versichele, Mathias and De Maeyer, Philippe and Van de Weghe, Nico},
  issn         = {1473-8716},
  journal      = {INFORMATION VISUALIZATION},
  keyword      = {GIS,spatio-temporal data analysis,temporal query,time interval,triangular model,VISUALIZATION,BLUETOOTH,DATABASES,PATTERNS,EVENTS,CUBE},
  language     = {eng},
  number       = {4},
  pages        = {255--272},
  title        = {Interactive analysis of time intervals in a two-dimensional space},
  url          = {http://dx.doi.org/10.1177/1473871612436775},
  volume       = {11},
  year         = {2012},
}

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