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ICDE
2007
IEEE
173views Database» more  ICDE 2007»
14 years 10 months ago
Accelerating Profile Queries in Elevation Maps
Elevation maps are a widely used spatial data representation in geographical information systems (GIS). Paths on elevation maps can be characterized by profiles, which describe re...
Feng Pan, Wei Wang 0010, Leonard McMillan
GIS
2009
ACM
14 years 10 months ago
Map Matching and Uncertainty: an Algorithm and Real-World Experiments
A common problem in moving object databases (MOD) is the reconstruction of a trajectory from a trajectory sample (i.e., a finite sequence of time-space points). A typical solution...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...
KNINVI
2005
Springer
14 years 2 months ago
Concept Maps: Integrating Knowledge and Information Visualization
Information visualization has been a research topic for many years, leading to a mature field where guidelines and practices are well established. Knowledge visualization, in contr...
Alberto J. Cañas, Roger Carff, Greg Hill, M...
CONTEXT
1999
Springer
14 years 1 months ago
Putting Similarity Assessments into Context: Matching Functions with the User's Intended Operations
This paper presents a practical application of context for the evaluation of semantic similarity. The work is based on a new model for the assessment of semantic similarity among ...
M. Andrea Rodríguez, Max J. Egenhofer
EUSFLAT
2003
101views Fuzzy Logic» more  EUSFLAT 2003»
13 years 10 months ago
Nearness and uniform convergence
Nearness (a fuzzy nearness) is a fuzzy relation that can be used to model various grades of “being close” in a linear space. We study the uniform convergence of a sequence of ...
Vladimír Janis