Temporal reasoning based on semi-intervals
Artificial Intelligence
Reasoning about Gradual Changes of Topological Relationships
Proceedings of the International Conference GIS - From Space to Territory: Theories and Methods of Spatio-Temporal Reasoning on Theories and Methods of Spatio-Temporal Reasoning in Geographic Space
The holes problem in wireless sensor networks: a survey
ACM SIGMOBILE Mobile Computing and Communications Review
Topological relationships between complex spatial objects
ACM Transactions on Database Systems (TODS)
COSIT'07 Proceedings of the 8th international conference on Spatial information theory
Topological reasoning between complex regions in databases with frequent updates
Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems
An inference system for relationships between spatial granularities
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
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Relation models have treated multi-holed regions relations either the same as hole-free regions relations, loosing this way the peculiarities of the holed topology, or with methods dependent on the number of holes. This paper discusses a model of relations between a hole-free and a multi-holed region that departs from past approaches by using the frequencies of the relations in which the holes participate to summarize the relation. The model is independent of the number of holes and builds on the 23 topological relations between a hole-free and a single-holed region. With the help of a balanced algorithm the relation model is used in a method that compares relations for their topological similarity, by computing the cost of transforming one relation into the other. The placement of the holes in relation to the hole-free region is found to be of same importance as the placement of the host of the holes, for similarity comparisons.