I advised together with Gerald Reif the master thesis of Tobias Bannwart about a personal cross-site movie recommender system that is implemented as Firefox add-on. The add-on is known as OMORE and can be downloaded. We decided to bring OMORE… Continue Reading
Online stores or Web page bring information about a myriad of items such as books, CDs, restaurants or movies at the user’s fingertips. Although, the Web reduces the barrier to the information, the user is overwhelmed by the number of… Continue Reading
Our current work on a probabilistic approach to compute partial user preference similarities was accepted and published at the 1st International Workshop on Inductive Reasoning and Machine Learning for the Semantic Web (IRMLeS) at the 6th European Semantic Web Conference… Continue Reading
Together with Marc Vontobel’s main advisor Gerald Reif, I successfully advised and supported Marc with his bachelor thesis. He was my first student I advised at all. He reenginered Purple Leaf – a party portal – and investigated the impact… Continue Reading
Our current work on a ontology-based decision tree algorithm to learn user preferences was accepted and published at 7th International Semantic Web Conference (ISWC) 2008 in Karlsruhe (Germany). The paper is available online at CEUR-WS.org as volume 401. It was… Continue Reading
I’m starting my PhD in July. I’m associated with two research groups from the Department of Informatics at the University of Zurich. That are the Software Evolution and Architecture Lab (s.e.a.l.) headed by Prof. Harald C. Gall and the Dynamic… Continue Reading
A week ago, the 16th of May, I finished my master thesis about an implementation of a graph-based knowledge browser for a content management system (CMS). Now, I spend time in relaxing and organising my next steps to the future.… Continue Reading
I’m proceeding to the next round in the Imagine Cup 2007 as 3 ranked team. Only 30 Teams with 1-2 persons had the chance to proceed to the next round. This 30 teams were elected by community voting. Only registered… Continue Reading
Based on the graph-browser JSaurus, I implemented Wikigraph, a simple graph-based visualization of the content of Wikipedia.org. Every node in the graph represents a topic. Topics are connected to each other if and only if one topic refers to the… Continue Reading
A readable graph respects aesthetic criteria of syntactic validity, perceptual organisation and aesthetic optimality as proposed by Kosak et al. in 1994. Some algorithms focus on minimising edge crossing whilst other focus on other aesthetic criteria. Spring-embedded models and its… Continue Reading