July, 25th 2020
I’m delighted to announce a new version of bson4jackson 2.11.0. The library is already very stable and there haven’t been many updates recently. The latest version is a maintenance release that updates Jackson and fixes some minor issues.
July, 24th 2020
A new minor version of my workflow management system Steep is now available. The most notable changes in version 5.3.0 are the deprecation of the argument type
argument in the process chain model and service metadata as well as the deprecation of
parameters of execute actions in the workflow model. Both properties were mostly unnecessary. The argument type
argument should be changed to
parameters of execute actions should be merged into their
July, 16th 2020
Two of my latest research papers about cloud-based data processing have just been published. The first paper is entitled “Capability-based Scheduling of Scientific Workflows in the Cloud” and deals with the scheduling algorithm I implemented in Steep. I presented this paper at the 9th International Conference on Data Science, Technology and Applications (DATA), which was held as a virtual conference due to COVID-19.
May, 15th 2020
I’m very happy to announce that Steep 5.1.0 has just been released. This version introduces a new web-based user interface, which looks very modern, is responsive, and provides many features that make work with workflows and process chains easier. Steep 5.1.0 also adds new HTTP endpoints and stores information about created VMs in the database. The version has been thoroughly tested in practice over the last couple of months.
February, 7th 2020
One of the projects I’m working on at Fraunhofer IGD is GeoRocket, a high-performance data store for geospatial files. It’s my pleasure to announce that my research paper about this application has just been published in SoftwareX, an open-access journal by Elsevier.
February, 6th 2020
For the last couple of years, I’ve been working on a scientific workflow management system called Steep. I’m more than happy to announce that, here at Fraunhofer IGD, we decided to make Steep Open-Source! You can download the binaries and the source code of Steep from its GitHub repository.