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Coevolution of reproductive characteristics in three dioecious fig species and their pollinator wasps Vrije Universiteit Brussel
This study investigates dioecious fig species using a pollinator introduction experiment. Our aims were to determine: (1) whether there was a significant difference in foundress distribution between sexes per fig species; (2) whether fig size and foundress number affect reproductive success of dioecious figs; and (3) who is the ‘controlling partner’ in the fig/pollinator mutualism. Three dioecious fig species: Ficus semicordata, Ficus hispida ...
Co-Evolution of Source Code and the Build System: Impact on the Introduction of AOSD in Legacy Systems Universiteit Gent
Software is omnipresent in our daily lives. As users demand ever more advanced features, software systems have to keep on evolving. In practice, this means that software developers need to adapt the description of a software application. Such a description not only consists of source code written down in a programming language, as a lot of knowledge is hidden in lesser known software development artifacts, like the build system. As its name ...
Intensional changes avoid co-evolution! Universiteit Antwerpen
Modularization is key to support the maintainability of software systems. In some cases, however, maintenance requires certain modules to evolve together. This phenomenon complicates software maintainability and is commonly referred to as co-evolution. In this paper, we tackle co-evolution in the domain of change-based feature-oriented programming (ChOP). In ChOP, feature modules -- each matching the implementation of one requirement -- are ...
Studying the co-evolution of production and test code in open source and industrial developer test processes through repository mining Universiteit Antwerpen
Many software production processes advocate rigorous development testing alongside functional code writing, which implies that both test code and production code should co-evolve. To gain insight in the nature of this co-evolution, this paper proposes three views (realized by a tool called TeMo) that combine information from a software projects versioning system, the size of the various artifacts and the test coverage reports. We validate these ...
Mining software repositories to study co-evolution of production and test code Universiteit Antwerpen
Engineering software systems is a multidisciplinary activity, whereby a number of artifacts must be created - and maintained - synchronously. In this paper we investigate whether production code and the accompanying tests co- evolve by exploring a project's versioning system, code coverage reports and size-metrics. Our main aim for studying this co-evolution is to create awareness with developers and managers alike about the testing process that ...
A generic in-place transformation-based approach to structured model co-evolution Universiteit Antwerpen
In MDE not only models but also metamodels are subject to evolution. More specifically, they need to be adapted to correct errors, support new and/or update language features. The direct consequence of such evolutionary steps comprises the problem of managing the co-evolution of existing model instances, which may no longer conform to the new metamodel version. This model migration is intrinsically complex and results in a time-consuming and ...
An intersite comparison on fruit characteristics in Madagascar: Evidence for selection pressure through abiotic constraints rather than through co-evolution Koninklijke Maatschappij voor Dierkunde van Antwerpen
Fruit and seed characteristics are compared between a dry deciduous forest in the west and a humid littoral forest in the south-east of Madagascar to discriminate between the role of abiotic factors (humidity, climate, soil characteristics) and frugivorous vertebrates for the evolution of morphological and biochemical fruit characteristics. The sites differed in abiotic conditions but contain very similar communities of frugivorous vertebrates. ...
Co-evolution of port business ecosystem based on evolutionary game theory Universiteit Antwerpen
As distributing centres of trade and transportation network, ports play an important role in the development of the national economy. With the changing of the global business environment, the port enterprise operation environment is continuously changing, and growing problems are becoming increasingly complex. Since challenges, uncertainties, risks, and crisis exist side by side, it is indispensable and beneficial to do a systematic analysis of ...