Martin Wolpers

Martin Wolpers
Fraunhofer Institute for Applied Information Technology FIT | FIT · Department of Cooperation Systems

Dr.-Ing.

About

127
Publications
14,832
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2,501
Citations
Additional affiliations
January 2008 - present
Fraunhofer Institute for Applied Information Technology FIT
Position
  • Head of Research Group/Department CAPLE

Publications

Publications (127)
Article
Recounts the career and contributions of Martin Wolpers.
Chapter
Full-text available
Personal learning environments (PLEs) hold the potential to address the needs of formal and informal learners for multi-sourced content and easily customisable learning environments. This chapter presents an overview of the European project ROLE (Responsive Open Learning Environments), which specialises in the development and evaluation of learning...
Chapter
The following sections offer the comments of experts outside of the ROLE project consortium about the contents of this book. Each expert was asked to review and comment upon a chapter of this book that is relevant to their expertise, thus offering their feedback about a certain aspect of the ROLE research outcomes.
Conference Paper
Digitalization takes on a very strong role in our everyday life. In industry in particular is introducing a number of new technological concepts into companies. Consequently, the employer faces significant challenges to ensure an efficient and effective introduction. This paper focuses on the educational aspects of Industry 4.0-like working scenari...
Article
In this chapter, the concept of Personal Learning Environment is first refined taken into account recent advances and the experience gathered in a European research project dedicated to responsive open learning environments. A prototypal implementation of a Web 2.0 platform enabling the construction, the sharing, and the repurposing of personal lea...
Book
Full-text available
This book presents the outcomes of four years of educational research in the EU-supported project called ROLE (Responsive Online Learning Environments). ROLE technology is centered around the concept of self-regulated learning that creates responsible learners, who are capable of critical thinking and able to plan their own learning processes. ROLE...
Article
In this paper, we introduce a new way of detecting semantic similarities between learning objects by analysing their usage in web portals. Our approach relies on the usage-based relations between the objects themselves rather then on the content of the learning objects or on the relations between users and learning objects. We then take this new si...
Conference Paper
In this paper, we introduce a usage-based technique for clustering learning resources accessed in online learning portals. This approach solely relies on the usage of the learning resources and does not consider their content or the relations between the users and the resources. In order to cluster the resources, we calculate higher-order co-occurr...
Conference Paper
In this paper, we introduce a new way of detecting semantic similarities between learning objects by analysing their usage in web portals. Our approach does not rely on the content of the learning objects or on the relations between users and learning objects but on the usage-based relations between the objects themselves. We take this new semantic...
Conference Paper
Within the last few years mobile learning has become very popular. Many projects and case studies explore its usefulness in the educational sector, i.e. at schools and universities. Few, however, deal with work place learning. LogiAssist is an educational assistance and learning platform for truck drivers. This paper first explores how eager truck...
Conference Paper
In order to satisfy and positively surprise the users, a recommender system needs to recommend items the users will like and most probably would not have found on their own. This requires the recommender system to recommend a broader range of items including niche items as well. Such an approach also support online-stores that often offer more item...
Chapter
Full-text available
Personal Learning Environments (PLEs) hold the potential to address the needs of formal and informal learners for multi-sourced content and easily customisable learning environments. This paper presents an overview of the European project ROLE (Responsive Open Learning Environments), which specialises in the development and evaluation of learning e...
Conference Paper
Recent work has studied real-life social and usage datasets from educational applications, highlighting the opportunity to combine or merge them. It is expected that being able to put together different datasets from various applications will make it possible to support learning analytics of a much larger scale and across different contexts. We exa...
Article
Technology Enhanced Learning is a research field that has matured considerably over the last decade. Many technical solutions to support design, authoring and use of learning activities and resources have been developed. The first datasets that reflect the tracking of actual use of these tools in real-life settings are beginning to become available...
Article
Coordinating requirements engineering (RE) and evaluation studies across heterogeneous technology-enhanced learning (TEL) environments is deemed challenging, because each of them is situated in a specific organizational, technical and socio-cultural context. We have dealt with such challenges in the project of ROLE (http://www.role-project.eu/) in...
Article
Full-text available
Recommender systems have been researched extensively by the Technology Enhanced Learning (TEL) community in the last decade. By identifying suitable resources from a potentially overwhelming variety of choices, such systems offer a promising approach to facilitate both learning and teaching tasks. As learning is taking place in extremely diverse an...
Conference Paper
Analogous to keywords describing the important and relevant content of a document we extract key actions from learners' usage data assuming that they represent important and relevant parts of their learning behaviour. These key actions enable the teachers to better understand the dynamics in their classes and the problems that occur while learning....
Article
Learning analytics has emerged as the discipline that fosters the learning process based on monitored data. As learning is a complex process that is not limited to a single environment, it benefits from a holistic approach where events in different contexts and settings are observed and combined. This work proposes an approach to increase this cove...
Article
Positive emotions have been proven to be a key fac-tor for successful learning. In modern personalized learning envi-ronments informal learning takes a prominent role and with this the use of computer-mediated communication. Communication-data, like for example chat-logs, can be harvested for sentiments. Most sentiment-analyses operate processing v...
Article
In this paper, we introduce a new way of detecting semantic similarities between learning objects by analyzing their usage in a web portal. Our approach does not rely on the content of the learning objects or on the relations between the users and the learning objects but on usage-based relations between the objects themselves. The technique we app...
Article
Full-text available
Technology Enhanced Learning is undergoing a significant shift in paradigm towards more data driven systems that will make educational systems more transparent and predictable. Data science and data-driven tools will change the evaluation of educational practice and didactical interventions for individual learners and educational institutions. We s...
Article
Full-text available
Recently, a number of usage data representations have emerged that enable the representation of user activities across system and application boundaries. Based on these user activity data, systems can adapt to the users and provide personalized information. A lot of usage data representation for-mats are already successfully used in real world appl...
Conference Paper
Full-text available
Natural history museums collect and provide access to digital representations of artifacts from their vast collections. The representations are used, among others, to facilitate their use in educational settings. For example, school teachers use them to prepare class visits to the museums. In the context of the European project Natural Europe, thes...
Conference Paper
Full-text available
Open educational resources (OER) have a high potential to address the growing need for training materials in management education and training. Today, a high number of OER in management are already available in a large number of repositories. However, users face barriers as they have to search repository by repository with different interfaces to r...
Conference Paper
Full-text available
This paper presents an approach of collecting contextualized attention metadata combined from inside as well as outside a LMS and analyzing them to create feedback about the student activities for the teaching staff. Two types of analyses were run on the collected data: first, key actions were extracted to identify usage patterns and tendencies thr...
Conference Paper
Full-text available
A major drawback in today's information landscape is the distribution of resources across numerous repositories. Consequently, users interested in working with these resources need to either jump from repository to repository to find and possibly access them or rely on web search engines. In this paper, we discuss the problems arising from these wa...
Article
Full-text available
This paper presents a global framework based on ontologies to generate effective feedback for students getting error messages while learning to program. The proposed framework includes several ontologies: one of the domain, one of possible mistake types and one of the causes of these mistakes. They are connected by an intermediary ontology. The fee...
Conference Paper
Full-text available
The growing amount of available information on the internet makes the process of filtering appropriate information an increasing challenge. Because currently existing approaches provide insufficient results in many cases, we propose a new way of relating objects based on their usage. We assume that objects which are significantly often used in the...
Article
Full-text available
Evolutionary or Darwinist theories are inherently controversial; applying them to explain and predict the trajectory of the development of Personal Learning Environments (PLE) is particularly challenging. PLE is still at its infancy stage, and a consensual definition is still lacking. Amongst others, the task of defining fitness models for predicti...
Conference Paper
Full-text available
We present new ways of detecting semantic relations between learning resources, e. g. for recommendations, by only taking their usage but not their content into account. We take concepts used in linguistic lexicology and transfer them from their original field of application, i. e. sequences of words, to the analysis of sequences of resources extra...
Conference Paper
Full-text available
In the world of recommender systems, it is a common practice to use public available datasets from different application environments (e.g. MovieLens, Book-Crossing, or Each-Movie) in order to evaluate recommendation algorithms. These datasets are used as benchmarks to develop new recommendation algorithms and to compare them to other algorithms in...
Article
Full-text available
Responsive open learning environments (ROLEs) are the next generation of personal learning environments (PLEs). While PLEs rely on the simple aggregation of existing content and services mainly using Web 2.0 technologies, ROLEs are transforming lifelong learning by introducing a new infrastructure on a global scale while dealing with existing learn...
Article
Full-text available
We describe and motivate the use of a schema for contextualized attention metadata (CAM) and a framework for capturing and exploiting such data. CAM are data about computer-related activities and the foci of attention of computer users. As such, they are a prerequisite for the personalization of both information and task environments. We outline th...
Article
Full-text available
The workshop was motivated by the issue that very less educational datasets are publicly available in TEL, so that the outcomes of different TEL adaptive applications and recommender systems that support personalised learning are hardly comparable. In other domains like in e-commerce it is a common practise to use different datasets as benchmarks t...
Article
Full-text available
Drachsler, H., Bogers, T., Vuorikari, R., Verbert, K., Duval, E., Manouselis, N., Beham, G., Lindstaedt, S., Stern, H., Friedrich, M., & Wolpers, M. (2010). Issues and considerations regarding sharable data sets for recommender systems in technology enhanced learning. In N. Manouselis, H. Drachsler, K. Verbert, & O. Santos (Eds.), Elsevier Procedia...
Conference Paper
Full-text available
We present basic concepts and an outlook on current approaches and techniques of personal learning environments to point out their demands, focussing on recommendations in self-regulated learning scenarios as a major basic functionality of PLEs. In the context of the ROLE project, we explain how we plan to meet these demands by using user observati...
Conference Paper
Full-text available
Social media technologies offer potential benefits for a variety of scenarios to support access to digital resources. The involvement of users that do not only consume, but also participate and contribute information, allows for promising approaches such as social browsing and crowdsourcing. Yet, a lot of resources and metadata are contained in dis...
Article
Already existing open educational resources in management have a high potential for enterprises to address the increasing training needs of their employees. However, access barriers still prevent the full exploitation of this potential. Users have to search a number of repositories with heterogeneous interfaces in order to retrieve the desired cont...
Conference Paper
Full-text available
We present a simple and extendible framework to collect attention metadata and store them for further analysis. Currently, several metadata collectors have been implemented but the framework allows the easy integration of further data collectors. Analysis results, e.g. recommendations or fostering of self-reflection, can then support the user in he...
Conference Paper
The generation of Contextualized Attention Metadata (CAM) allows to retrieve information about the different actions that users execute over different resources in a specific context. This paper presents how CAM is used within a learning system to personalize help provided to students while working on online exercises. We outline our approach and p...
Conference Paper
A learner's interaction with her computer can be recorded and stored in the format of Contextualized Attention Metadata. The collected data can then be analyzed to support the learner in her self-reflection processes. We present two ways to discover patterns in the collected attention metadata by applying methodologies based on the Rough Set Theory...
Conference Paper
In the MACE project we aim to support architecture students while searching for the right learning materials by connecting several repositories containing architectural learning objects and by linking these objects beyond repository boundaries. We use real world object representations which serve as connection between learning materials to allow th...
Conference Paper
Full-text available
In this paper, we introduce a graph representation of the main elements of our defined RDF binding for contextualized attention metadata (CAM). In addition, we give a brief overview of two applications that we have implemented using the CAM semantic web format. The Zeitgeist and a "find similar users" applications illustrate our approach.
Conference Paper
Full-text available
Responsive open learning environments (ROLEs) are the next generation of personal learning environments (PLEs). While PLEs rely on the simple aggregation of existing content and services mainly using Web 2.0 technologies, ROLEs are transforming lifelong learning by introducing a new infrastructure on a global scale while dealing with existing learn...
Article
Recommender systems are widely used online to support users in finding relevant information. They can be based on different techniques such as content-based and collaborative filtering. In this paper, we introduce a new way of similarity calculation for item-based collaborative filtering. Thereby we focus on the usage of an object and not on the ob...
Conference Paper
In order to successfully learn in a self-regulated way, self-monitoring of the learner and reflection of learning behaviour is required. We therefore introduce a framework that collects usage metadata from application programs and stores them as Contextualized Attention Metadata (CAM). We also present three approaches on how we exploit the collecte...
Article
Today, digital learning resources in architecture are spread over a growing number of repositories world-wide. Students of architecture face increasing problems finding and being aware of appropriate learning resources they need within their collaborative and/or exploratory learning scenarios. The Metadata for Architectural Contents in Europe (MACE...
Article
Full-text available
Responsive open learning environments (ROLEs) compile contents and services in such a way that service widgets can communicate with each other. ROLEs thus enable existing learning management systems to enhance their learning offers which in turn become part of the ROLE. As a technical proof of concept we DS by means of a language learning prototype...
Conference Paper
The term personal learning environment (PLE) is very broad and entails high demands. Compared to known learning management environments (LMEs) PLEs seem as of yet not to have been implemented. Especially from the pedagogical point of view, PLEs hardly seem to make up for the individual learning promise. One solution to close the gap is to concentra...
Article
The MACE project provides advanced graphical metadata-based access to learning resources in architecture. Through the digital representation of real world objects in our system, we are able to bridge the various repositories of architectural learning material and facilitate graphical information retrieval. In order to create the real world object r...
Conference Paper
The MACE project aims to support architecture students while searching for learning materials by offering advanced graphical metadata-based access to learning resources in architecture across repository boundaries. Therefore, the MACE system uses real world object representations which serve as connection between learning materials. This enables th...
Book
Full-text available
Wolpers, M., Kirschner, P. A., Scheffel, M., Lindstaedt, S., & Dimitrova, V. (Eds.) (2010). Sustaining TEL: From Innovation to learning and practice. Proceedings of the 5th European Conference on Technology Enhanced Learning, EC-TEL 2010. September, 28 - October, 1, 2010, Barcelona, Spain. Berlin: Springer Verlag.
Article
Full-text available
This paper reports on our experiences in bridging learning repositories on architecture within the MACE system. In order to make access to ar-chitectural learning resources simple and easy for students and teachers, we rely heavily on standards. We discuss the concepts behind the MACE system, describe related problems and how we solve them by emplo...
Conference Paper
Full-text available
Successful self-regulated learning in a personalized learning environment (PLE) requires self-monitoring of the learner and reflection of learning behaviour. We introduce a tool called CAMera for monitoring and reporting on learning behaviour and thus for supporting learning reflection. The tool collects usage metadata from diverse application prog...
Conference Paper
The paper focuses on the MACE (Metadata for Architectural Contents in Europe) system and its usage in architecture education at the university level. We report on the various extensions made to the system, describe some of the new functionality and give first results on the evaluation of the MACE System. Several universities were involved with sign...
Conference Paper
Full-text available
An important activity for the learner while learning is the reflection on the learning path and strategy. So far, not many tools provide an automatic support for the reflection on the learning activities. Here, we describe our approach to enable reflection with the help of usage and contextual metadata. We describe how we capture usage information...
Conference Paper
Full-text available
Within the MACE project, we support simple access to and retrieval of digital learning resources in exploratory architectural education. In order to facilitate the improved access, we introduce a digital representation of real world objects through an extension of the LOM based MACE application profile, named entity recognition and the combination...
Conference Paper
The aim of the MACE project is to overcome the fragmentation of digital learning resources in architectural education. This requires the human-controlled enrichment of learning resources, i.e. the tagging of learning objects with controlled architectural vocabularies. In this paper, we briefly describe how the architectural vocabulary used for manu...
Conference Paper
Today, users do not only access learning resources stored in traditional repositories. They use any kind of digital resource, often generated in the context of social media platforms. When trying to improve the learning experience, it is crucial that all resources that are potentially useful are accessible; and that the resources are described in a...
Conference Paper
A significant amount of digital resources used to support workers and learners in their daily tasks is stored in digital repositories. Metadata about these resources is usually automatically generated or defined by experts or selected users in a centralized, top-down approach according to certain standards and conventions. Enriching the description...
Article
Full-text available
Education in architecture requires access to a broad range of learning materials, so as to develop flexibility and creativity in design. The learning material is comprised of textual and visual media including images, videos, descriptions of architectural concepts or projects, i.e. digital artifacts on different aggregation levels. Until now, repos...
Conference Paper
Full-text available
Today, learning object repositories for architectural contents are distributed over several European countries. Having been designed and implemented independently, sophisticated interchange of and access to learning objects is impossible. The valuable information contained therein is broken into pieces, time-consuming and expensive to obtain, and c...
Conference Paper
Full-text available
All over the world, students and teachers in architecture have been developing learning materials in various digital formats. Unfortunately, the material is not shared across school boundaries, and thus not exploited to its full extent. Mostly, technical and organisational limitations hamper the sharing and exchange of learning material, although t...
Conference Paper
Full-text available
Education in architecture requires access to a broad range of architectural learning material to develop flexibility and creativity in design. The learning material is compromised of digital information captured in textual and visual media including single images, videos, description of architectural concepts or complete architectural projects, i.e...
Article
Elizeu Santos-Neto (University of British Columbia, Canada) presented Tracking User Attention in Collaborative Tagging Communities, co-authored with Matei Ripeanu and Adriana Iamnitchi. This paper analyzes the distribution of tagging activity in two collaborative communities for managing scientific literature (CiteULike and Bibsonomy). The authors...