Abstract-Architecture Compliance Checking (ACC) is an approach to verify the conformance of implemented program code to high-level models of architectural design. ACC is used to prevent architectural erosion during the development and evolution of a software system. Static ACC, based on static software analysis techniques, focuses on the modular architecture and especially on rules constraining the modular elements. A semantically rich modular architecture (SRMA) is expressive and may contain modules with different semantics, like layers and subsystems, constrained by rules of different types. To check the conformance to an SRMA, ACC-tools should support the module and rule types used by the architect. This paper presents requirements regarding SRMA support and an inventory of common module and rule types, on which basis eight commercial and non-commercial tools were tested. The test results show large differences between the tools, but all could improve their support of SRMA, what might contribute to the adoption of ACC in practice.
This study explores the application of systemic design approaches used in a complex commercial context to create positive and sustainable change. The case study was a business case on sustainable parenthood, in which the company tried to balance its ambitions for environmental sustainability with the need to survive in a highly competitive market. In close collaboration with the internal business company stakeholders, a causal loop diagram was created. The diagram mapped relations between global relevant trends for emerging young adults within the DACH market, sustainability, and parenting as a business. Leverage points for systemic change were identified which were explored through in-depth user interviews (n=10). This process eventually identified ten systemic insights, translated into insight cards to facilitate business actions.Based on these combined approaches, the MINT framework (Mapping Interventions and Narratives for Transformation) was developed, with a strong emphasis on co-creation, iteration, translation, and communication of systemic interventions. However, while the internal business stakeholders and company representatives appreciated the bird’s eye view that systemic design gave them, they were challenged by the methods’ abstract language and translation of systemic insights into concrete action. To address this, the developed framework utilized systemic design artefacts such as a storytelling map and user-centred insight cards to facilitate a more comprehensible systemic design approach.Overall, this study provides a first attempt at creating an actionable systemic design framework that can be used in commercial settings to promote positive systemic change. Future research will require further validation.
At a time of mounting ecological crises and biodiversity loss, there is an urgent need for nature-based solutions. Equestrian properties cover a considerable proportion of the European rural and peri-urban landscape and provide much potential for integrating ecosystem services, such as the inclusion of small landscape features. The aim of this study was to investigate the presence and quality of landscape features (LF) to help determine how the equine sector can contribute to the agro-ecological transition. Using a citizen science approach, 87 commercial and 420 private yard owners reported the type, frequency and geometric dimension of LFs and additional biodiversity enhancing features. A hierarchical multivariate regression was used to determine how equine property characteristics explain variation in the Percentage Property Coverage (PPC) of LFs. The model explained 47% of the variation of PPC. The variables that explained significant variation in PPC included Yard size, Number of LFs, Tree rows, Fruit orchard, Wild hedges, Flowering strips, Buffer strips, Embankments and Cluttered corners. Commercial yards are significantly larger with significantly more horses and on average only 9% (±13.87%) of the property was covered by LFs whilst private yards had significantly more coverage of LFs with on average 12% (±14.77%). These findings highlight the substantial yet untapped potential of equine yards in fostering biodiversity, suggesting that the equine sector could play an important role in the agro-ecological transition. To encourage more biodiverse-inclusive yard designs, tailored strategies should consider the diverse factors influencing equine yard design, including existing knowledge, client demands, financial considerations, and equine health and welfare.
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Paper sludge contains papermaking mineral additives and fibers, which could be reused or recycled, thus enhancing the circularity. One of the promising technologies is the fast pyrolysis of paper sludge, which is capable of recovering > 99 wt.% of the fine minerals in the paper sludge and also affording a bio-liquid. The fine minerals (e.g., ‘circular’ CaCO3) can be reused as filler in consumer products thereby reducing the required primary resources. However, the bio-liquid has a lower quality compared to fossil fuels, and only a limited application, e.g., for heat generation, has been applied. This could be significantly improved by catalytic upgrading of the fast pyrolysis vapor, known as an ex-situ catalytic pyrolysis approach. We have recently found that a high-quality bio-oil (mainly ‘bio-based’ paraffins and low-molecular-weight aromatics, carbon yield of 21%, and HHV of 41.1 MJ kg-1) was produced (Chem. Eng. J., 420 (2021), 129714). Nevertheless, catalyst deactivation occurred after a few hours’ of reaction. As such, catalyst stability and regenerability are of research interest and also of high relevance for industrial implementation. This project aims to study the potential of the add-on catalytic upgrading step to the industrial fast pyrolysis of paper sludge process. One important performance metric for sustainable catalysis in the industry is the level of catalyst consumption (kgcat tprod-1) for catalytic pyrolysis of paper sludge. Another important research topic is to establish the correlation between yield and selectivity of the bio-chemicals and the catalyst characteristics. For this, different types of catalysts (e.g., FCC-type E-Cat) will be tested and several reaction-regeneration cycles will be performed. These studies will determine under which conditions catalytic fast pyrolysis of paper sludge is technically and economically viable.
Tijdens de financiële crisis in 2008 ontstond er veel onzekerheid over taxatiewaarden van onroerend goed in Nederland. Doen taxateurs hun werk wel goed? Kunnen wij daar vanuit gaan als maatschappij? En wat houdt dat eigenlijk in, goed taxeren? In de nasleep van de crisis is de regelgeving in de taxatiesector aangescherpt. Tegelijkertijd weten we wetenschappelijk gezien vrij weinig van de wijze waarop taxateurs afwegingen maken in hun werk. Heeft aanscherping van regels dan wel nut?Doel Het vak van een taxateur bestaat voor een groot deel uit beeldvorming, oordeelsvorming en besluitvorming. Hij of zij maakt dus tijdens een taxatieopdracht veel keuzes; keuzes die van professioneel handelen getuigen of wellicht niet...? Als we de professionaliteit van taxateurs willen stimuleren, dan is het belangrijk om inzicht te krijgen in de onderliggende dynamiek van taxatieprocessen: wat verklaart het handelen van de taxateur? Welke patronen of belangen liggen daaraan ten grondslag? Het PhD onderzoek van Pim Klamer heeft als doel om het taxatieproces en de rol van de taxateur in dit proces te ontrafelen. Dat inzicht helpt om aanbevelingen te doen om professioneel handelen te stimuleren, bijvoorbeeld via taxatie-gerelateerd onderwijs. Bezoek de onderzoekerspagina van Pim Klamer. Resultaten In kader van onderstaande aanpak zijn de volgende artikelen gepubliceerd: Systematische literatuurverkenning naar het verschijnsel 'judgement bias', d.w.z. vooringenomenheid in oordeelsvorming in taxatieprocessen. Hieruit komt naar voren dat internationale studies een diffuus beeld geven van de mate van oordeelsbias bij taxateurs in hun werkzaamheden. Wetenschappelijke publicatie (Eng): Klamer, P., Bakker, C., & Gruis, V. (2017). 'Research bias in judgement bias studies – a systematic review of valuation judgement literature’, Journal of Property Research, 34(4), 285-304. Analyse van de mate van taakcomplexiteit in taxatieprocessen via gefundeerde theoriebenadering en diepte-interviews. Taakcomplexiteit wordt door taxateurs breed geïnterpreteerd, met inbegrip van omgevingsfactoren zoals de opdrachtgever en diens belangen. Verschillende typen taxateurs kennen verschillende typen taakomgevingen en gaan dus ook op verschillende wijze om met taakcomplexiteit in hun werk. De taakomgeving (zoals klantbelangen) kan zodoende van betekenis zijn bij de professionele oordeelsvorming van taxateurs. Wetenschappelijke publicatie (Eng): Klamer, P., Bakker, C. & Gruis, V. (2018) 'Complexity in valuation practice: an inquiry into valuers’ perceptions of task complexity in the Dutch real estate market', Journal of Property Research, 35(3), 209-233. Vakblad publicatie (Ned): Klamer, P., Bakker, C., & Gruis, V. (2019). 'Complexiteit in taxeren: Percepties van taakcomplexiteit in de Nederlandse taxatiesector'. Real Estate Research Quarterly, 18(3), 28-41. Casusgerichte enquête over de mate van klanthechting in informatieverificatie bij taxateurs. Klanthechting is empirisch vastgesteld bij taxateurs met makelaarservaring en/of een directiefunctie binnen hun organisatie. Klanthechting heeft als zodanig effect op de oordeelsvorming van taxateurs. Wetenschappelijke publicatie (Eng): Klamer, P., Gruis, V. & Bakker, C., (2019). 'How client attachment affects information verification in commercial valuation practice', Journal of Property Investment and Finance, 37(6), 541-554. Discussiepaper (Ned): Klamer, P. (2020). ‘Het effect van klanthechting op informatieverificatie bij taxeren’, ResearchGate, maart, 1-11. Analyse van de ideaaltypen van taxateurs via gefundeerde theoriebenadering en diepte-interviews. Taxateurs dienen drie taxateur-ideaaltypen in hun werk te integreren om tegemoet te komen aan diverse belanghebbenden. Deze ideaaltypen zijn de Expert, De Dienstverlener en de Rapporteur. De onderlinge ‘strijd’ tussen deze drie rollen kan effect hebben op de oordeelsvorming van taxateurs. Wetenschappelijke publicatie (Eng) en discussiepaper (Ned) volgen. Samenvatting proefschrift NL Looptijd 01 mei 2016 - 31 oktober 2020 Aanpak Het onderzoek is als volgt opgebouwd: Systematische literatuurverkenning naar het verschijnsel 'judgement bias', d.w.z. vooringenomenheid in oordeelsvorming in taxatieprocessen Analyse van de mate van taakcomplexiteit in taxatieprocessen via gefundeerde theoriebenadering en diepte-interviews Casusgerichte enquête over de mate van klanthechting in informatieverificatie bij taxateurs Kwalitatieve analyse van de ideaaltypen van rollen in taxeren via gefundeerde theoriebenadering en diepte-interviews Kwantitatieve analyse van roloriëntatie van taxateurs via een online enquête Dit promotieonderzoek vindt plaats in samenwerking met de Academie voor Vastgoed, een dochtermaatschappij van de Nederlandse Vereniging van Makelaars en Taxateurs o.g. (NVM). Opleidingen MSc Urban and Area Development
