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We present the D-OPM, a model that extends the Open Provenance Model (OPM) with workflow-specific aspects. In particular, our model captures aspects such as the workflow structure, traces, data structure, and workflow evolution. Thus, it enables scientists to obtain detailed information about the origin of data resulting from past experiments, as well as about the process itself and its possible future...
In this paper we present our vision, and discuss the main research problems along with prospective solutions, on the evaluation of queries over data available and processable through services. In particular, we address queries in dynamic environments concerning aspects such as mobility and continuous data. These queries entail the potential of offering users ubiquitous access to relevant information...
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