Publikationen 
Activity Streams Ad-hoc Processes ADAPT Agile BI Agile Business Intelligence Analytical Processing Business Intelligence Case Study Computer-Aided Warehouse Engineering Data Mining Data Warehouse Datenbanken Dokumentation E-Learning Enterprise 2.0 Informationssysteme LCMS Learning Content Learning Content Management System Management Support Systeme Microblogging OLAP Open Source Operational Intelligence Situation Awareness Social Information Systems Social Media Social Software Web 2.0 Web Society
2012 |
| Lorenz, Anja (2012): L3T aus Sicht einer Autorin. In: Ebner, Martn; Schön, Sandra (Hrsg.): L3T – ein innovatives Lehrbuchprojekt im Detail: Gestaltung, Prozesse, Apps und Finanzierung, 2, Kapitel 3, S. 37–44, Book on Demand & Open Access, Norderstedt, 2012, ISBN: 978-3-8448-1013-4. (Typ: Buchkapitel | Links | BibTeX | Schlagwörter: Collaboration, L3T, Learning Content, Open Science) @inbook{lorenz2012l3t, title = {L3T aus Sicht einer Autorin}, author = {Anja Lorenz}, editor = {Martn Ebner and Sandra Schön}, url = {http://l3t.eu/oer/}, isbn = {978-3-8448-1013-4}, year = {2012}, date = {2012-05-31}, booktitle = {L3T – ein innovatives Lehrbuchprojekt im Detail: Gestaltung, Prozesse, Apps und Finanzierung}, volume = {2}, pages = {37–44}, publisher = {Book on Demand & Open Access}, address = {Norderstedt}, chapter = {3}, series = {Beiträge zu offenen Bildungsressourcen}, keywords = {Collaboration, L3T, Learning Content, Open Science} } |
2010 |
| Lorenz, Anja; Borcea-Pfitzman, Katrin (2010): Role management in a privacy-enhanced collaborative environment. In: Interactive Technology and Smart Education, 7 (2), S. 102 – 112, 2010, ISSN: 1741-5659. (Typ: Artikel | Abstract | Links | BibTeX | Schlagwörter: Collaboration, E-Learning, Privacy, Rollenmanagement) @article{Lorenz2010a, title = {Role management in a privacy-enhanced collaborative environment}, author = {Anja Lorenz and Katrin Borcea-Pfitzman}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-82072}, issn = {1741-5659}, year = {2010}, date = {2010-07-01}, journal = {Interactive Technology and Smart Education}, volume = {7}, number = {2}, pages = {102 – 112}, publisher = {Emerald}, address = {Bingley, UK}, series = {Emerald insight}, abstract = {Purpose – Facing the dilemma between collaboration and privacy is a continual challenge for users. In this setting, the purpose of this paper is to discuss issues of a highly flexible role management integrated in a privacy-enhanced collaborative environment PECE. Design/methodology/approach – The general framework was provided by former findings of several research projects, i.e. collaborative platform BluES and projects of privacy and identity management PRIME and PrimeLife. The role management concept bases on a literature survey and has been proofed by integration into the privacy-enhanced environment BluES'n. Findings – A three-dimensional role management concept was developed describing users' rights, tasks, and positions. A discussion on how to fulfill privacy requirements yielded that a semi-automated decision making regarding the use of roles with different identities is reasonable to support users' control of their privacy when interacting with others. Research limitations/implications – The concept of flexible role management complies with the requirements of PECEs. However, a fully automated approach of rule-based information disclosure is not possible as such decisions depend on personal and situational aspects. Practical implications – Using the example of a flexible role management concept, research described in this paper demonstrates that privacy and interaction concerns can be balanced and should be considered in application design processes. Social implications – Concepts of PECEs allow respecting privacy-related attitudes and could improve the quality of service consumption. Originality/value – The paper demonstrates contrasts between collaboration and privacy attitudes and presents solutions for the integration of role management to overcome this initially supposed contradiction.}, keywords = {Collaboration, E-Learning, Privacy, Rollenmanagement} } Purpose – Facing the dilemma between collaboration and privacy is a continual challenge for users. In this setting, the purpose of this paper is to discuss issues of a highly flexible role management integrated in a privacy-enhanced collaborative environment PECE. Design/methodology/approach – The general framework was provided by former findings of several research projects, i.e. collaborative platform BluES and projects of privacy and identity management PRIME and PrimeLife. The role management concept bases on a literature survey and has been proofed by integration into the privacy-enhanced environment BluES'n. Findings – A three-dimensional role management concept was developed describing users' rights, tasks, and positions. A discussion on how to fulfill privacy requirements yielded that a semi-automated decision making regarding the use of roles with different identities is reasonable to support users' control of their privacy when interacting with others. Research limitations/implications – The concept of flexible role management complies with the requirements of PECEs. However, a fully automated approach of rule-based information disclosure is not possible as such decisions depend on personal and situational aspects. Practical implications – Using the example of a flexible role management concept, research described in this paper demonstrates that privacy and interaction concerns can be balanced and should be considered in application design processes. Social implications – Concepts of PECEs allow respecting privacy-related attitudes and could improve the quality of service consumption. Originality/value – The paper demonstrates contrasts between collaboration and privacy attitudes and presents solutions for the integration of role management to overcome this initially supposed contradiction. |
| Lorenz, Anja; Borcea-Pfitzmann, Katrin (2010): Role Management in a Privacy-Enhanced Collaborative Environment. In: Kommers, Piet; Isaías, Pedro (Hrsg.): Proceedings of the IADIS International Conference e-Society 2010, S. 3–10, International Association for Development of the Information Society (IADIS) IADIS Press, Porto, 2010, ISBN: 978-972-8939-07-6. (Typ: Konferenzbeitrag | Abstract | Links | BibTeX | Schlagwörter: Collaboration, E-Learning, PECE, Privacy, Rollenmanagement) @inproceedings{Lor2010, title = {Role Management in a Privacy-Enhanced Collaborative Environment}, author = {Anja Lorenz and Katrin Borcea-Pfitzmann}, editor = {Piet Kommers and Pedro Isaías}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-82063 http://www.slideshare.net/anjalorenz/role-management-in-privacyenhanced-collaborative-environment}, isbn = {978-972-8939-07-6}, year = {2010}, date = {2010-03-18}, booktitle = {Proceedings of the IADIS International Conference e-Society 2010}, pages = {3--10}, publisher = {IADIS Press}, address = {Porto}, organization = {International Association for Development of the Information Society (IADIS)}, abstract = {Nowadays, social software is in demand in very different settings. Managing relationships (e.g., social networking sites) and content sharing (e.g., photo sharing), but also collaborative working via the Internet became a widely accepted part of the social lives of people. Especially, collaborative environments provide platforms supporting users in creating and exchanging new ideas, material, and conducting discussions, but also in representing themselves by allowing for according profile management etc. (cf. Koch & Richter 2007). Supporting the users’ privacy in such interactive environments stands in sharp contrast to the objectives of collaboration. However, previous work has shown that different approaches may overcome this ostensible contradiction. One further approach is subject of this paper and consists of a differentiated role management. Accordingly, this paper describes the particular settings of applications shaping Privacy-Enhanced Collaborative Environments (PECE), for which a comprehensive role management has to be realized. The paper discusses the implications on the role concept resulting from the privacy-related settings and introduces a three-dimensional approach for roles in a collaborative environment.}, keywords = {Collaboration, E-Learning, PECE, Privacy, Rollenmanagement} } Nowadays, social software is in demand in very different settings. Managing relationships (e.g., social networking sites) and content sharing (e.g., photo sharing), but also collaborative working via the Internet became a widely accepted part of the social lives of people. Especially, collaborative environments provide platforms supporting users in creating and exchanging new ideas, material, and conducting discussions, but also in representing themselves by allowing for according profile management etc. (cf. Koch & Richter 2007). Supporting the users’ privacy in such interactive environments stands in sharp contrast to the objectives of collaboration. However, previous work has shown that different approaches may overcome this ostensible contradiction. One further approach is subject of this paper and consists of a differentiated role management. Accordingly, this paper describes the particular settings of applications shaping Privacy-Enhanced Collaborative Environments (PECE), for which a comprehensive role management has to be realized. The paper discusses the implications on the role concept resulting from the privacy-related settings and introduces a three-dimensional approach for roles in a collaborative environment. |
2009 |
| Lorenz, Anja (2009): Rollenmanagement trifft Privatsphäre: Problempunkte und Konsequenzen. VDM-Verlag, Saarbrücken, 2009, ISSN: 978-3-639-14865-7. (Typ: Buch | Abstract | Links | BibTeX | Schlagwörter: Collaboration, E-Learning, Privacy, Rollenmanagement) @book{Lor09, title = {Rollenmanagement trifft Privatsphäre: Problempunkte und Konsequenzen}, author = {Anja Lorenz}, url = {http://www.amazon.de/Rollenmanagement-trifft-Privatsph%C3%A4re-Problempunkte-Konsequenzen/dp/3639148657}, issn = {978-3-639-14865-7}, year = {2009}, date = {2009-04-01}, publisher = {VDM-Verlag}, address = {Saarbrücken}, abstract = {Rollen in kollaborativen Lernumgebungen sind mehr als die starre Einteilung in Lehrer und Schüler und ein Rollenmanagement kann weit über eine Vereinfachung der Zugriffskontrolle hinausgehen. Für die kollaborative Lernumgebung BluES'n der TU Dresden wurde ein Konzept entwickelt, das die flexiblen Gestaltungsmöglichkeiten von Rollen und den in BluES'n verfolgten demokratischen Ansatz berücksichtigt. Die Realisierung dieses Konzepts scheitert schließlich an dem Versuch, es mit dem Identitätsmanagement der Lernumgebung zu vereinbaren, das die privatheitswahrenden Konzepte des PRIME-Projektes umsetzt. Es werden Problempunkte aufgeführt und Lösungswege diskutiert, die nicht nur zur Weiterentwicklung des Identitäsmanagements beitragen, sondern auch in einer prototypischen Umsetzung des Rollenmangements dessen generelle Tauglichkeit demonstrieren.}, keywords = {Collaboration, E-Learning, Privacy, Rollenmanagement} } Rollen in kollaborativen Lernumgebungen sind mehr als die starre Einteilung in Lehrer und Schüler und ein Rollenmanagement kann weit über eine Vereinfachung der Zugriffskontrolle hinausgehen. Für die kollaborative Lernumgebung BluES'n der TU Dresden wurde ein Konzept entwickelt, das die flexiblen Gestaltungsmöglichkeiten von Rollen und den in BluES'n verfolgten demokratischen Ansatz berücksichtigt. Die Realisierung dieses Konzepts scheitert schließlich an dem Versuch, es mit dem Identitätsmanagement der Lernumgebung zu vereinbaren, das die privatheitswahrenden Konzepte des PRIME-Projektes umsetzt. Es werden Problempunkte aufgeführt und Lösungswege diskutiert, die nicht nur zur Weiterentwicklung des Identitäsmanagements beitragen, sondern auch in einer prototypischen Umsetzung des Rollenmangements dessen generelle Tauglichkeit demonstrieren. |
