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GISCIENCE
2004
Springer
175views GIS» more  GISCIENCE 2004»
14 years 4 months ago
From Objects to Events: GEM, the Geospatial Event Model
This paper discusses the construction of a modeling approach for dynamic geospatial domains based on the concepts of object and event. The paper shows how such a model extends tra...
Michael F. Worboys, Kathleen Hornsby
GISCIENCE
2004
Springer
144views GIS» more  GISCIENCE 2004»
14 years 4 months ago
Landmarks in the Communication of Route Directions
We investigate the understanding of landmarks using a model of embedding procedures that sees affordances established on three levels. On the first level there are landmark experie...
Elisabeth Weissensteiner, Stephan Winter
GISCIENCE
2004
Springer
136views GIS» more  GISCIENCE 2004»
14 years 4 months ago
Simplifying Sets of Events by Selecting Temporal Relations
Reasoning about events or temporal aspects is fundamental for modeling geographic phenomena. This work concerns the analysis of events as configurations of temporal intervals. It...
Andrea Rodríguez, Nico Van de Weghe, Philip...
GISCIENCE
2004
Springer
105views GIS» more  GISCIENCE 2004»
14 years 4 months ago
Effect of Category Aggregation on Map Comparison
This paper investigates the influence of category aggregation on measurement of land-use and land-cover change. To date, research concerning data aggregation has examined primarily...
Robert Gilmore Pontius Jr., Nicholas R. Malizia
GISCIENCE
2004
Springer
118views GIS» more  GISCIENCE 2004»
14 years 4 months ago
Public Commons of Geographic Data: Research and Development Challenges
Abstract. Across the globe individuals and organizations are creating geographic data work products with little ability to efficiently or effectively make known and share those dig...
Harlan Onsrud, Gilberto Câmara, James Campbe...
GISCIENCE
2004
Springer
110views GIS» more  GISCIENCE 2004»
14 years 4 months ago
Information Dissemination in Mobile Ad-Hoc Geosensor Networks
This paper addresses the issue of how to disseminate relevant information to mobile agents within a geosensor network. Conventional mobile and location-aware systems are founded on...
Silvia Nittel, Matt Duckham, Lars Kulik
GISCIENCE
2004
Springer
130views GIS» more  GISCIENCE 2004»
14 years 4 months ago
Comparing Exact and Approximate Spatial Auto-regression Model Solutions for Spatial Data Analysis
The spatial auto-regression (SAR) model is a popular spatial data analysis technique, which has been used in many applications with geo-spatial datasets. However, exact solutions f...
Baris M. Kazar, Shashi Shekhar, David J. Lilja, Ra...
GISCIENCE
2004
Springer
159views GIS» more  GISCIENCE 2004»
14 years 4 months ago
The SPIRIT Spatial Search Engine: Architecture, Ontologies and Spatial Indexing
Abstract. The SPIRIT search engine provides a test bed for the development of web search technology that is specialised for access to geographical information. Major components inc...
Christopher B. Jones, Alia I. Abdelmoty, David Fin...
GISCIENCE
2004
Springer
112views GIS» more  GISCIENCE 2004»
14 years 4 months ago
Project Lachesis: Parsing and Modeling Location Histories
Abstract. A datatype with increasing importance in GIS is what we call the location history–a record of an entity’s location in geographical space over an interval of time. Thi...
Ramaswamy Hariharan, Kentaro Toyama
GISCIENCE
2004
Springer
101views GIS» more  GISCIENCE 2004»
14 years 4 months ago
Modeling Surface Hydrology Concepts with Endurance and Perdurance
Abstract. Integration of GIS and hydrologic models has been a common approach for monitoring our ever-changing hydrologic system. One important issue in adapting such an approach i...
Chen-Chieh Feng, Thomas Bittner, Douglas M. Flewel...