Khaled K. Al-Taha

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Spatial relationships between geographic objects are time-dependent and can change due to various phenomena. Water levels of rivers or lakes may rise causing flodding of buildings and roads near the shore line; contamination of soils may spread causing hazards for people living in affected areas; hurricanes may pass over islands or reach the continent; and(More)
Spatial and temporal databases are important and well-established sub-disciplines of database research. Some 350 papers in temporal databases have appeared, authored by almost 300 researchers. The literature on spatial databases is also substantial; the bibliography of Samet's landmark book on spatial data structures lists 823 references.
A workshop on temporal relations in Geographic Information Systems (GIS) was held on October 12-13, 1990, at the University of Maine. The meeting, sponsored by the National Center for Geographic Information and Analysis (NCGIA), gathered specialists on Geography, GIS, and Computer Science to discuss users' requirements of temporal GIS and to identify the(More)
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