Masakazu Ikezaki

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In this paper, we propose a data model to manage dynamic aspects of geographic information. In our model, a geographic change is represented as an event. Three relations are defined on events: they are is-a relation, partof relation, and event-driven relation. We implemented a prototype system, and confirmed that our model is adaptable to searching dynamic(More)
In this paper, we propose a data model to manage dynamic aspects of geographic information. In our model, a geographic change is represented as an event. Three relations are defined on events: they are is-a relation, partof relation, and event-driven relation. We implemented a prototype system, and confirmed that our model is adaptable to searching dynamic(More)
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