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Dive into the research topics where Thomas Berkel is active.

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Featured researches published by Thomas Berkel.


computer supported collaborative learning | 2005

A new direction for log file analysis in CSCL: experiences with a spatio-temporal metric

Till Schümmer; Jan-Willem Strijbos; Thomas Berkel

This paper discusses the importance and difficulties of assessing interaction between students. To ease the detection of interaction in student groups, a metric is developed that can measure the level of interaction based on log file data. The metric is based on a spatial model and detects actions that take place in close spatial or temporal proximity. After providing a formal definition of the metric, an exploratory analysis of interaction in two different settings is reported to determine the feasibility of the measure: synchronous interaction in a collaborative puzzle game and asynchronous interaction in student groups that use the BSCW shared workspace system.


BTW | 1987

Integration des Versionsbegriffs und des Objektbegriffs durch Abstraktion

Thomas Berkel; Peter Klahold; Gunter Schlageter; Wolfgang Wilkes

Im Bereich der technischen Anwendungen (CAD/CAM) ist die Darstellung und Verwaltung von Versionen und komplexen Objekten von groser Bedeutung. In diesem Papier wird ein durchgangiges Modell fur diese beiden Aspekte der Objektdarstellung vorgestellt. Es beruht auf einer Abstraktionsbeziehung, die nicht wie in objekt-orientierten Systemen zwischen Objekttypen defininiert ist, sondern zwischen Objekten. Dadurch gelingt es, die strenge Trennung von Typ und Objekt aufzubrechen, mehr Flexibilitat in die Objektmodellierung zu bringen und den Versionsbegriff als Abstraktion zu sehen.


Proceedings of the Third International Conference on Data and Knowledge Bases#R##N#Improving Usability and Responsiveness | 1988

Modelling CAD-Objects by abstraction

Thomas Berkel; Peter Klahold; Gunter Schlageter; Wolfgang Wilkes


Archive | 2004

Motivation and Structuring in a Virtual Database Practical by Means of Roleplaying

Dominic Becking; Thomas Berkel; Stefan Betermieux; M. Clossen; G. Rademacher; Gunter Schlageter


EdMedia: World Conference on Educational Media and Technology | 2003

Altering the Roles of Learners and Tutors in a Virtual Practical Training by Means of Roleplaying

Dominic Becking; Thomas Berkel; Stefan Betermieux; Michael Clossen; Birgit Feldmann; G. Rademacher; Gunter Schlageter


Archive | 1997

Internet Technologies for Teleteaching - Report on an Internet-Based Seminar in the Virtual University

Thomas Berkel; Silke Mittrach


EdMedia: World Conference on Educational Media and Technology | 2004

A Virtual Practical Training on Database Administration: A Further Development in Distance Education

Dominic Becking; Thomas Berkel; Gunter Schlageter


international conference on management of data | 1995

The database group at University of Hagen

Gunter Schlageter; Thomas Berkel; Eberhard Heuel; Silke Mittrach; Andreas Scherer; Wolfgang Wilkes


Archive | 2004

Social and Subject Related Learning Targets in a Virutal Database Practical

Dominic Becking; Thomas Berkel; Stefan Betermieux; M. Clossen; G. Rademacher; Gunter Schlageter


Archive | 2004

Evaluation Strategy and Results in a CSCL-Environment: The Database Practical Training at the FernUniversität

Dominic Becking; Thomas Berkel; Stefan Betermieux; M. Clossen; Ch. Haimerl; Holger Horz; G. Rademacher; Gunter Schlageter

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