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Harkes, D.C. (author)Our community believes that new domain-specific languages should be as general as possible to increase their impact. However, I argue that we should stop claiming generality for new domain-specific languages. Instead, we should document how domain-specific language based software development is beneficial to the overall software development...abstract 2018
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Harkes, D.C. (author), van Chastelet, E. (author), Visser, Eelco (author)To provide empirical evidence to what extent migration of business logic to an incremental computing language (ICL) is useful, we report on a case study on a learning management system. Our contribution is to analyze a real-life project, how migrating business logic to an ICL affects information system validatability, performance, and...conference paper 2018
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Harkes, D.C. (author), Visser, Eelco (author)Derived values are values calculated from base values. They can be expressed with views in relational databases, or with expressions in incremental or reactive programming. However, relational views do not provide multiplicity bounds, and incremental and reactive programming require significant boilerplate code in order to encode bidirectional...conference paper 2017
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Harkes, D.C. (author), Groenewegen, D.M. (author), Visser, Eelco (author)Derived values are values calculated from base values. They can be expressed in object-oriented languages by means of getters calculating the derived value, and in relational or logic databases by means of (materialized) views. However, switching to a different calculation strategy (for example caching) in object-oriented programming requires...conference paper 2016