Search results for "tietorakenteet"
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Functional and Structural Roles of Data in Service Ecosystems
2023
Data play an increasingly important role in today’s service ecosystems, where actors integrate resources to create value at different levels of aggregation (micro, meso, macro). To advance our understanding of the role of data in such contemporary data-rich service ecosystems, we draw on the service-dominant (S-D) logic and data ecosystem literature. Extending the current understanding of data in the literature, we demonstrate how data and data ecosystems have become intertwined with service ecosystems and how data as a meta-resource connects actors, enhances systemic visibility, and drives innovation in these ecosystems. peerReviewed
Sima – an Open-source Simulation Framework for Realistic Large-scale Individual-level Data Generation
2021
We propose a framework for realistic data generation and the simulation of complex systems and demonstrate its capabilities in a health domain example. The main use cases of the framework are predicting the development of variables of interest, evaluating the impact of interventions and policy decisions, and supporting statistical method development. We present the fundamentals of the framework by using rigorous mathematical definitions. The framework supports calibration to a real population as well as various manipulations and data collection processes. The freely available open-source implementation in R embraces efficient data structures, parallel computing, and fast random number gener…