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Rijkswaterstaat would like to check the data on groundwater composition and ground water level monitoring wells receiving from third parties before uploading to the key registration subsoil as part of the Dutch system of Base Registers (BRO: Basis Registratie Ondergrond). Together with the experts of Rijkswaterstaat the quality criteria and corresponding norms are defined. Based on this both Boolean and Fuzzy logic rules for validation are set. Rijkswaterstaat wil de grondwatersamenstellingsdata en de data over grondwaterputten die zij van opdrachtnemers krijgen eerst controleren voordat ze deze data aanleveren aan de landelijke voorziening van de Basisregistratie Ondergrond. Gezamenlijk met de experts van RWS zijn de kwaliteitscriteria en bijbehorende normen die gelden voor deze data vastgesteld. Op basis hiervan zijn tweewaardige en meerwaardige logische validatieregels opgesteld.

This chapter describes an empirical study to develop a dynamic usability framework for spatial domain applications. The framework consists of five interrelated abstraction levels, which are hypothesis, typology, variables, elements, and measures. Each abstraction level has provided the theoretical basis for the design and implementation of a usability test to investigate the effects of map interactive displays on user satisfaction across two types of commercial web mapping applications. Data collected were analysed to test the hypothesis whether web mapping applications exhibiting a higher degree of usability can be associated with greater measured user satisfaction. The findings are especially useful for designers of web mapping applications and can aid in the maintenance phases of web mapping interfaces.