Usually a big sample of data is collected - this would require verification, validation and recording before the analysis can take place.

The new system also requires validation on each boarding, and has a fare expiration of 90 minutes from the initial boarding.

Satellites have been taking measurements, but those measurements require validation in situ.

Private bus services and the light rail require manual checking or validation of the ticket by the driver or conductor.

The absoluteness of the vision excludes all alternatives, and requires external validation.

The susceptibility of certain age demographics to macropsia is a subject that requires further validation.

These factors are not known for each case until run-time, and may require radically different validation to be performed.

"Victims require validation about the facts," the analyst Marylou Lionells said.

Although our method of classification is novel and requires further validation, the main findings were unaffected by choice of diagnostic criteria.

The traditional approach would require the production, validation and dissemination of an updated model, which is a far more time-consuming activity.