Computational Science and Engineering at TU Wien
supported by the Institute for Microelectronics

"Carbon Footprint for Google Maps" is a browser extension for Google Chrome that aims at raising awareness of users w.r.t. the problem of air pollution caused by cars. Whenever the user asks Google Maps for driving directions, this browser extension automatically estimates and shows to the user the total CO2 emission for driving on the route suggested by Google Maps. "Carbon Footprint for Google Maps" is currently used by 20000 users and is installed by 20 new users every day.

Carbon Footprint...

Intelligent control strategies for efficient operation of residential as well as commercial buildings regarding energy demand become more and more important as buildings are responsible for a high amount of global energy consumption. Colibri (French for “hummingbird”) is an open source software project that aims at providing an agile and flexible building energy management. Colibri extensively uses semantically enriched information about the building (e.g. structure, physical characteristics)...

IoTSySIoTSyS is an integration middleware for the Internet of Things. It provides a communication stack for embedded devices based on IPv6, Web services, and OBIX to establish interoperable interfaces for smart objects. Using 6LoWPAN for constrained wireless networks and the Constrained Application Protocol together with Efficient XML Interchange, a powerful stack is provided in order to enable usage of interoperable Web technologies in the field of sensor and actuator networks and systems while...

"Mind the Word" is a Google Chrome extension that provides language immersion while the user browses the internet. In every webpage visited by the user, it randomly translates a few words into the target language specified by the user. Because the translated words are kept in context, it is easy to infer and memorize their meanings. Therefore, the user easily learns new vocabulary and improve his/her language skills. "Mind the Word" is currently used by 13500 users and is installed by 40 new...

nomacs is a free image viewer for windows, linux and mac, which is licensed under the GNU Public License v3. nomacs is small, fast and able to handle the most common image formats including RAW images. Additionally it is possible to synchronize multiple viewers. Simple image editing tasks include image conversion, resizing and cropping.

The software is written in C++ and uses Qt which allows for a platform independent user interface.

Members: Markus Diem, Stefan Fiel, Florian Kleber

The OpenEngSB is a technical integration platform for software tools. It applies successful concepts of the Enterprise Service Bus in business software engineering to software tools in the engineering process. The integration approach is vendor neutral and allows the integration of existing tools in an engineering environment.

The need for the OpenEngSB arises due to the increasing complexity and flexibility of engineering processes for developing modern software-intensive systems which...

openKB4BMS is an open source knowledge base (KB) acting as a building management application with Apache Jena as its core. The overall system architecture is shown in the figure above. openKB4BMS sits on top of an integration layer established by oBIX or OPC UA. Alternatively, it can directly connect to IoT devices via a Webservice interface. A Web ontology language (OWL) framework is used for representing the static information about a building and its technical equipment (geometry, building...

OpenPixi is an open Colored-Particle-In-Cell (CPIC) simulator. It simulates the motion of a large number of color-charged particles in a chromo-electro-magnetic background goverened by strong interaction. This can be used to simulate the early stages of heavy-ion collisions which are performed at particle colliders like the Large Hardon Collider at CERN. The simulation is based on real-time lattice gauge theory.

OpenPixi is being developed in Java, with an educational aspect in mind. As such...

Data privacy has become one of the hot topics in society, but also in reseach. In the light of data available to the public or to researchers, data privacy should ensure that individuals cannot be identified.
The state-of-the art software tools for data anonymization of complex and big data are open-source: the R package sdcMicro for data anonymization, and the R package simPop for simulating synthetic confidential data.
These software tools are used by various national and international...

To provide applications with the utmost flexibility in the generation and adaptation of meshes, the generic and high-quality meshing library ViennaMesh has been developed. ViennaMesh provides a unified interface for various mesh related tools. These tools cover mesh generation, adaptation, and classification of multi-segmented (aka. multi-material) meshes and geometries for unstructured two- and three-dimensional meshes. The goal is to provide applications with an additional back-end layer for...

The WEKA Environment for Knowledge Analysis has emerged as the mainstream open-source data mining software, maintained by Waikato University of Waikato.
WEKA features a multitiude of algorithm implementations that support a variety of general-purpose data mining tasks such as:

  • classification
  • clustering
  • regression
  • feature selection

In contrast to other data mining environments such as R, WEKA features advanced user interfaces that allow data mining experts to develop and test their...