Deirdre Carew

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It is a commonly held view by software engineers that informal requirements specifications are easier to comprehend than formal requirements specifications. Moreover, the training time required to gain a sufficient level of understanding informal notations is unknown. This paper presents an empirical study carried out to compare the comprehensibility of two(More)
This paper presents a pilot study to test plans for an empirical study, which will compare the comprehensibility of two specifications: a formal specification and an informal specification. The two documents used in the pilot study implemented the same logic, namely a portion of the Irish Electoral system. The “informal specification” was taken directly(More)
A number of nutritional factors as well as the growth factors 2,4-D and IAA were studied to determine their influence on growth and alkaloid formation in Catharanthus roseus suspension cultures. The optimal 2,4-D concentration for growth and alkaloid production was 1 mg/liter. With IAA, both 0.5 and 2.0 mg/liter in media produced tissue growth comparable to(More)