Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
Prateek Jain, Peter Z. Yeh, Kunal Verma, Cory A. H...
The successful development of any geographic information system project needs the careful design and implementation of spatial databases via conceptual and logical data-modeling. T...
Partial information in databases can arise when information from several databases is combined. Even if each database is complete for some \world", the combined databases wil...
Requirements specifications often make use of a number of scenarios that are interrelated and that depend on each other in many ways. However, they are often treated separately, o...
The channel of radio frequency identi cation (RFID) can be modeled as a cascaded channel consisting of a forward link and a backscatter link. The correlation between the forward a...