Ramblings of Daniel Graziotin



SEMAT Accelerator (a.k.a. SematAcc) is a web positioning system for SEMAT Essence Theory of Software Engineering.

SematAcc Home Page
SematAcc Home Page

SematAcc is a response to the lack of practicability of the Essence Theory of Software Engineering. It provides practical ways to learn the Essence theory, as it enables a web positioning system to represent a software system status using Essence Kernel (currently, only the Concerns, Alphas and the States are supported).

The tool itself serves for multiple use cases.
In short, it is an awareness creator, self-positioning system, discussion generator as well as visualization of your project’s current state.
SematAcc was also developed with research in mind. It enables research on Essence by logging the events on each State change.
It might be employed as a valuable tool for controlled experiments and case studies.

SematAcc is open-source and welcomes contributions.

Essence Theory of Software Engineering

SEMAT Essence Theory of Software Engineering aims to:

Refound software engineering based on a solid theory, proven principles and best practices that:
-Include a kernel of widely-agreed elements, extensible for specific uses
-Addresses both technology and people issues
-Are supported by industry, academia, researchers and users
-Support extension in the face of changing requirements and technology

A simple introduction to the Essence theory can be found in the materials of my special lecture held at the Free University of Bozen-Bolzano. Useful references to complete materials are available there, as well.

SematAcc Project Dashboard
SematAcc Project Dashboard


SematAcc lets a user create a Project and “accelerate” it using the Essence Kernel.
Each Project has an associated Kernel, defining the so called Concerns, Alphas, and States.
The Kernel elements are described using the original OMG submission of the Essence theory. The user will therefore find very familiar terminology in SematAcc.
To further help the process of learning Essence, SematAcc provides ways to position the project in terms of Alphas and Concerns, by displaying graphs.
SematAcc can be employed in empirical experiment on Essence theory, because it registers the events triggered by its usage. The events can be downloaded for research purposes.

SematAcc - The Kernel and the Graphs
SematAcc – The Kernel and the Graphs


SematAcc is a regular Meteor application and it requires it as a dependency.
Please refer to Meteor documentation in order to run it.

A live version of SematAcc runs on Meteor servers at http://sematacc.herokuapp.com for demo and testing purposes. Although we try to keep the data stored on there, please do not heavily rely on it.

In order to deploy SematAcc as a private instance on Meteor’s servers, issue the following command:


Please note that Meteor hosting is not free. Free hosting is provided by Heroku, and it is described here.


You can clone/download SematAcc on GitHub: https://github.com/s4fs/sematacc.
You can download “stable” releases as gzipped tars on the Tag page: https://github.com/s4fs/sematacc/tags.
You can report issues either on the issue tracker: https://github.com/s4fs/sematacc/issues?page=1&state=open.


BSD 3-Clause License.

Ramblings of Daniel Graziotin

About Author


Dr. Daniel Graziotin received his PhD in computer science, software engineering at the Free University of Bozen-Bolzano, Italy. His research interests include human aspects in empirical software engineering with psychological measurements, Web engineering, and open science. He researches, publishes, and reviews for venues in software engineering, human-computer interaction, and psychology. Daniel is the founder of the psychoempirical software engineering discipline and guidelines. He is associate editor at the Journal of Open Research Software, academic editor at the Research Ideas and Outcomes (RIO) journal, and academic editor at the Open Communications in Computer Science journal. He is the local coordinator of the Italian Open science local group for the Open Knowledge Foundation. He is a member of ACM, SIGSOFT, and IEEE.