Developmental Biology's excellent reputation in Freiburg goes back to the days of the Hans Spemann who received the Nobel prize for his groundbreaking discovery of an "organizer center" in early amphibian embryos that controls the behavior and fate of surrounding cells. Today the University of Freiburg is one of the few universities in Germany that offers a full curriculum in Developmental Biol...

Nowadays more and more Internet applications install reputation systems to collect opinions users have about some reputation objects. The opinions are usually formalized in the form of ratings the reputation system can use to build overall reputation profiles of the reputation objects. Reputation objects might be other users, products, web content and anything else that can be rated. Users may ...

with increase in the sales of goods and services via the internet and the widespread deployment of electronic commerce, trust in electronic commerce becomes a vital element. many factors influence on customer’s trust. the current study use structural equation modeling to study the relationship among hofsted’s culture and online shopping, with regard the meditational effects customer’s perceptio...

Topic priority assignment is defined in RepLab-2013 as labelling a topic according to its level of priority (alert, mildly important or unimportant) in order to highlight topics requiring immediate attention for online reputation monitoring. Although they are strongly linked, topic detection and priority assignment have been previously treated as separate tasks. We study the impact of integrati...

We summarize the goals, organization, and results of the second RepLab competitive evaluation campaign for Online Reputation Management systems (RepLab 2013). RepLab 2013 focuses on the process of monitoring the reputation of companies and individuals, and asks participating systems to annotate different types of information on tweets containing the names of several companies. First, tweets hav...

This paper devises a classification system for reputation systems based on two axes, namely: who performs the evaluation of a subject’s reputation, and how the information is collected by the reputation system. This leads to 4 possible operational models for reputation systems, termed the Voting Model, the Opinion Poll Model, the MP Model and the Research Model, each of which is then analyzed. ...