Univ.-Prof. Dr.-Ing. Wolfgang Maaß

Position: Professor and Chair
E-Mail: (E-Mail as image for Spam-Protection)
Phone: +49 (0) 681 302 64736
Skype: w_maass
Twitter: wmaass
Talk time:

On appointment via email.

Wolfgang Maaß is full professor and chair in Information and Service Systems (ISS), faculty of Business Administration, Saarland University, Germany. Previously he led the division Smart Products at the Institute of Technology Management (ITEM) at the University of St. Gallen, Switzerland.

Short Biography

Wolfgang was university lecturer at the University of St. Gallen and professor of media and computer science at Hochschule Furtwangen University where he led the Intelligent Media research group (RCIM). He studied Computer Science at the RWTH Aachen and the Saarland University. His PhD in Computer Science at the Saarland University was funded by the German National Science Foundation (DFG). End of 2007 he was awarded with a habilitation by the Department of Management at the University of St. Gallen, Switzerland. He was guest researcher at the National Center for Geographic Information and Analysis (NCGIA), UC Santa Barbara, CA, USA and guest professor at the Department of Bioinformatics and Computational Biology (MD Anderson Cancer Center), University of Texas, TX, USA. Beside his research activities, he worked as a consultant for international Diebold Management Consulting, was CEO of a start-up company for several years, and still is active co-founder of University spin-offs.

Research Interests

Wolfgangs field of research are information systems including Ubiquitous Information Systems (UIS) with a focus on smart products, Internet of Things, intelligent information systems, conceptual modeling, electronic knowledge markets, and paid content.


Selected Publications:

Maass, W. & Storey, V.

Logical Design Patterns for Information System Development Problems, 34th International Conference on Conceptual Modeling (ER 2015), Stockholm, Sweden, 2015.
JQR-Rating: B JQR-Index: 7.59
BibTeX

Maass, W. & Storey, V.

Recall of Concepts and Relationships Learned by Conceptual Models: The Impact of Narratives, General-Purpose, and Pattern-based Conceptual Grammars, 33rd International Conference on Conceptual Modeling (ER 2014), Atlanta, GA, USA, 2014.
PDF (260 KB) - BibTeX

Maass, W. & Zahran, S.

Self-Controlled Production: Forecasting with Smart Sensor Technologies, 23rd Workshop on Information Technology and Systems (WITS), Milan, Italy, 2013.
PDF (3.61 MB) - BibTeX

Maass, W. & Varshney, U.

Design and Evaluation of Ubiquitous Information Systems and Use in Healthcare, Decision Support Systems, 2012(1), pp. 1-24.
JQR-Rating: B JQR-Index: 7.16; Impact Factor: 2.201
BibTeX

Maass, W. & Janzen, S.

Towards Design Engineering of Ubiquitous Information Systems, 7th Int. Conf. on Design Science Research in Information Systems and Technology (DESRIST 2012), Las Vegas, USA, 2012.
BibTeX

Almeida, J. S., Gruneberg, A., Maass, W., Vinga, S.

Fractal MapReduce decomposition of sequence alignment, Algorithms for Molecular Biology, 2012, 7(12).
Impact Factor: 1.61; SJR Rating: Applied Mathematics: Q2, Computational Theory and Mathematics: Q2, Molecular Biology: Q3, Structural Biology: Q3; H-Index: 15
BibTeX

Purao, S., Storey, V., Maass, W., Jansen, J., Reddy, M.

An Integrated Conceptual Model to Incorporate Information Tasks in Workflow Models , ER International Conference on Conceptual Modeling (ER 2012), Florence, Italy, 2012.
BibTeX

Maass, W., Kowatsch, T., Janzen, S., Varshney, U.

A Natural Language Technology-enhanced Mobile Sales Assistant for In-store Shopping Situations, 19th European Conf. on Information Systems (ECIS 2011), 2011.
JQR-Rating: B JQR-Index: 7.37; Nominations: Best Paper Award, Claudio Ciborra Award
PDF (3.41 MB) - BibTeX

Deus, H. F., Correa, M. C., Stanislaus, R., Miragaia, M., Maass, W., de Lencastre, H., Fox, R., Almeida, J. S.

S3QL: A distributed domain specific language for controlled semantic integration of life sciences data, BMC Bioinformatics , 2011, 12(285).
Impact Factor: 3.02; SJR Rating: Computer Science Applications: Q1, Molecular Biology: Q2; H-Index: 102
BibTeX

Almeida, J., Deus, H. & Maass, W.

S3DB core: a framework for RDF generation and management in bioinformatics infrastructures, BMC Bioinformatics, 2010, 11(387).
Impact Factor: 3.02; SJR Rating: Computer Science Applications: Q1, Molecular Biology: Q2; H-Index: 102
BibTeX

Kowatsch, T. & Maass, W.

In-store Consumer Behavior: How Mobile Recommendation Agents Influence Usage Intentions, Product Purchases, and Store Preferences, Computers in Human Behavior, 2010, 26(4), pp. 697-704.
SJR Rating: Computer Science Applications Q1, Developmental and Educational Psychlogy Q1, Experimental and Coginitve Psychology Q1; H-Index: 60
PDF (391 KB) - BibTeX

All Publications:

2016

Dorka, S.; Stein, H.; Janzen, S.; Maaß, W.

Cross-border Health Care - The key to a sustainable health care coverage in border regions?, European Public Health Conference 2016, 2016.
BibTeX

Janzen, S., Maass, W. & Kowatsch, T.

Finding the Middle Ground - A Model for Planning Satisficing Answers, Proceedings of 54th Annual Meeting of the Association for Computational Linguistics (ACL 2016) (to appear), 2016.
BibTeX

Janzen, S. & Maass, W.

Balancing Dialogues with Mixed Motives, Computational Pragmatics Workshop at 2016 Annual Conference of the German Linguistic Society, 2016.
BibTeX

2015

Kowatsch, T., Büchter, D., Pletikosa Cvijikj, I., Xu, R., Brogle, B., Dintheer, A., Wiegand, D., l’Allemand, D., Maass, W.

Design and Preliminary Evaluation of a Mobile Application for Obesity Experts and Children Teams, Obesity Reviews , 16 (S1): Poster Abstracts from the 7th Fribourg Obesity Research Conference (FORC-2013) – Pathways from dieting to weight regain, to obesity and to the metabolic syndrome, p. 96., 2015.
BibTeX

l’Allemand, D., Kowatsch, T., Pletikosa Cvijikj, I., Brogle, B., Dintheer, A., Wiegand, D., Durrer, D., Maass, W., Büchter, D.

Childhood obesity therapy: who benefits from an information technology (IT) supported treatment?, Abstract presented at the 54th Annual Meeting of the European Society of Paediatric Endocrinology, to be published in Hormone Research in Paediatrics , 2015.
BibTeX

Durrer, D., Kowatsch, T., l’Allemand, D., Büchter, D., Pletikosa Cvijikj, I., Maass, W., Schutz, Y.

Ambulatory Health Information System for Obesity Prevention and Treatment (Pathmate) Tailored for Teenagers: A Preliminary Longitudinal Study (Abstract & Poster), 22nd European Congress on Obesity, Prague, Czech Republic. (forthcoming), 2015.
BibTeX

Büchter, D., Kowatsch, T., Brogle, B., Dintheer, A., Wiegand, D., Pletikosa Cvijikj, I., Durrer, D., Schutz, Y., Maass, W., Laimbacher, J., l’Allemand, D.

Does a Health Information Technology System developed by Children and their Parents improve Obesity Therapy?, 22nd European Congress on Obesity, Prague, Czech Republic., 2015.
BibTeX

Maass, W. & Storey, V.

Logical Design Patterns for Information System Development Problems, 34th International Conference on Conceptual Modeling (ER 2015), Stockholm, Sweden, 2015.
JQR-Rating: B JQR-Index: 7.59
BibTeX

Janzen, S. & Maass, W.

Towards Benevolent Sales Assistants in Retailing Scenarios, Proc. of 20th Int. Conf. on Applications of Natural Language to Information Systems (NLDB), 2015.
BibTeX

Maass, W. & Michels, T.

Moving Populations Event Recognition Under Re-Identification and Data Locality Constraints, 12. internationalen Tagung für Wirtschaftsinformatik (WI 2015), Osnabrück, Germany, 2015.
BibTeX

2014

Maass, W. & Storey, V.

Recall of Concepts and Relationships Learned by Conceptual Models: The Impact of Narratives, General-Purpose, and Pattern-based Conceptual Grammars, 33rd International Conference on Conceptual Modeling (ER 2014), Atlanta, GA, USA, 2014.
PDF (260 KB) - BibTeX

Büchter, D., Kowatsch, T., Brogle, B., Dintheer-ter-Velde, A., Wiegand, D., Pletikosa, I., Maass, W., L`Allemand, D., Laimbacher, J.

Home support of obese children and adolescents by means of health information technology system: a pilot study for a psychosomatic therapy concept, Swiss Medical Weekly (forthcoming), 2014.
Nominations: foederatio Paedo medicorum helveticorum (fPmh) Award of the Annual Congress 2014
BibTeX

Büchter, D., Kowatsch, T., Pletikosa, I., Schütz, Y., L`Allemand, D., Maass, W. & Laimbacher, J.

A longitudinal study assessing an IT-supported neurological feedback in obesity intervention for children and adolescent emotional self control, fPmh2014 - foederatio Paedo medicorum helveticorum - Schweizerische Gesellschaft für Pädiatrie, 2014.
BibTeX

Pletikosa Cvijikj, I., Kowatsch, T., Büchter, D., Brogle, B., Dintheer, A., Wiegand, D., Durrer, D., Xu, R., l’Allemand, D., Schutz, Y. & Maass, W.

Health Information System for Obesity Prevention and Treatment of Children and Adolescents, European Conference on Information Systems (ECIS) 2014, Tel Aviv, Israel, 2014.
JQR-Rating: B JQR-Index: 7,37
BibTeX

Kowatsch, T., Maass, W., Pletikosa Cvijikj, I., Büchter, D., Brogle, B., Dintheer, A., Wiegand, D., Durrer, D., Schutz, Y. & l’Allemand, D.

Design of a Health Information System Enhancing the Performance of Obesity Expert and Children Teams, European Conference on Information Systems (ECIS) 2014, Tel Aviv, Israel, 2014.
JQR-Rating: B JQR-Index: 7,37
BibTeX

Krüger, A., Maass, W., Paradowski, D. & Janzen, S.

Reinartz, W. & Käuferle, M. (ed.)
Empfehlungssysteme und integrierte Informationsdienste zur Steigerung der Wertschöpfung im stationären Handel, Wertschöpfung im Handel, 2014, pp. 273-291.
BibTeX

Aruväli, T., Maass, W., Otto, T.

Digital Object Memory Based Monitoring Solutions in Manufacturing Processes, 24th DAAAM International Symposium on Intelligent Manufacturing and Automation, 2014 .
BibTeX

2013

Maass, W. & Zahran, S.

Self-Controlled Production: Forecasting with Smart Sensor Technologies, 23rd Workshop on Information Technology and Systems (WITS), Milan, Italy, 2013.
PDF (3.61 MB) - BibTeX

Kowatsch, T. & Maass, W.

Towards Empirically Validated Ubiquitous Information Systems: Results From A Pretest And Three Empirical Studies, 21st European Conference on Information Systems (ECIS 2013), Utrecht, The Netherlands, 2013.
JQR-Rating: B JQR-Index: 7,37
PDF (3.33 MB) - BibTeX

2012

Maass, W. & Varshney, U.

Design and Evaluation of Ubiquitous Information Systems and Use in Healthcare, Decision Support Systems, 2012(1), pp. 1-24.
JQR-Rating: B JQR-Index: 7.16; Impact Factor: 2.201
BibTeX

Almeida, J. S., Gruneberg, A., Maass, W., Vinga, S.

Fractal MapReduce decomposition of sequence alignment, Algorithms for Molecular Biology, 2012, 7(12).
Impact Factor: 1.61; SJR Rating: Applied Mathematics: Q2, Computational Theory and Mathematics: Q2, Molecular Biology: Q3, Structural Biology: Q3; H-Index: 15
BibTeX

Purao, S., Storey, V., Maass, W., Jansen, J., Reddy, M.

An Integrated Conceptual Model to Incorporate Information Tasks in Workflow Models , ER International Conference on Conceptual Modeling (ER 2012), Florence, Italy, 2012.
BibTeX

Eichhoff, J. R. & Maass, W.

Functional Design Space Representations for Lead Qualification Situations, Fifth International Conference on Design Computing And Cognition, 2012.
PDF (1.19 MB) - BibTeX

Maass, W., Kowatsch, T., Janzen, S., Filler, A.

Applying Situation-Service Fit to Physical Environments Enhanced by Ubiquitous Information Systems, 20th European Conf. on Information Systems (ECIS 2012), Barcelona, Spain, 2012.
JQR-Rating: B JQR-Index: 7.37
PDF (1.15 MB) - BibTeX

Maass, W. & Janzen, S.

Towards Design Engineering of Ubiquitous Information Systems, 7th Int. Conf. on Design Science Research in Information Systems and Technology (DESRIST 2012), Las Vegas, USA, 2012.
BibTeX

2011

Eichhoff, J. R. & Maass, W.

Distributed Imprecise Design Knowledge on the Semantic Web, 7th Int. Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2011), 2011, pp. 101-104.
PDF (187 KB) - BibTeX

Janzen, S., Blomqvist, E., Filler, A., Gönül, S., Kowatsch, T., Adamou, A., Germesin, S., Romanelli, M., Presutti, V., Cimen, C., Maass, W., Postaci, S., Alpay, E., Namli, T., Erturkmen, G. B. L.

IKS Deliverable - D4.1 Report: AmI Case - Design and Implementation (Public), 2011.
PDF (5.60 MB) - BibTeX

Deus, H. F., Correa, M. C., Stanislaus, R., Miragaia, M., Maass, W., de Lencastre, H., Fox, R., Almeida, J. S.

S3QL: A distributed domain specific language for controlled semantic integration of life sciences data, BMC Bioinformatics , 2011, 12(285).
Impact Factor: 3.02; SJR Rating: Computer Science Applications: Q1, Molecular Biology: Q2; H-Index: 102
BibTeX

Maass, W., Storey, V. C., Kowatsch, T.

Effects of External Conceptual Models and Verbal Explanations On Shared Understanding in Small Groups, Conceptual Modeling, ER 2011, Lecture Notes in Computer Science, Springer, 2011, 6998, pp. 92-103.
JQR-Rating: C JQR-Index: 6.78
PDF (219 KB) - BibTeX

Eichhoff, J. R. & Maass, W.

Representation and Reuse of Design Knowledge: An Application for Sales Call Support, 15th Int. Conf. on Knowledge-Based and Intelligent Inf. & Eng. Systems (KES2011), Kaiserslautern, 2011, pp. 387–396.
PDF (379 KB) - BibTeX

Janzen, S., Filler, A., Maass, W.

Designing Ubiquitous Information Systems based on Conceptual Models, Workshop "Sozio-technisches Systemdesign im Zeitalter des Ubiquitous Computing (SUBICO 2011)" at Informatik 2011, Berlin, 2011.
PDF (3.48 MB) - BibTeX

Maass, W., Kowatsch, T., Janzen, S., Varshney, U.

A Natural Language Technology-enhanced Mobile Sales Assistant for In-store Shopping Situations, 19th European Conf. on Information Systems (ECIS 2011), 2011.
JQR-Rating: B JQR-Index: 7.37; Nominations: Best Paper Award, Claudio Ciborra Award
PDF (3.41 MB) - BibTeX

Maass, W. & Janzen, S.

Pattern-Based Approach for Designing with Diagrammatic and Propositional Conceptual Models, 6th Int. Conf. on Design Science Research in Information Systems and Technology (DESRIST 2011), Milwaukee, Wisconsin, USA, 2011.
PDF (360 KB) - BibTeX

Kowatsch, T. & Maass, W.

A Design Model for Knowledge-based Pricing Services in the Retail Industry, Int. Journal of Web Engineering and Technology, 2011, 6(4), pp. 302-319.
SJR Rating: Computer Networks and Communications Q3; H-Index: 10
PDF (470 KB) - BibTeX

Kowatsch, T. & Maass, W.

E. Pantano and H. Timmermans eds. (ed.)
Mobile Purchase Decision Support Systems for In-store Shopping Environments, Advanced Technologies Management for Retailing: Frameworks and Cases, IGI Global Publisher, 2011, pp. 270-288.
SJR Rating: Computer Networks and Communications Q4; H-Index: 7
BibTeX

Kowatsch, T., Maass, W. & Fleisch, E.

The Role of Product Reviews on Mobile Devices for In-store Purchases: Consumers' Usage Intentions, Costs and Store Preferences, Int. Journal of Internet Marketing and Advertising (IJIM&A) Special Issue: Information Systems and Marketing, 2011, 6(3), pp. 226-243.
SJR Rating: Marketing Q3; H-Index: 6
PDF (498 KB) - BibTeX

2010

Janzen, S.; Maass, W.; Kowatsch, T.; Filler, A.; Romanelli, M.; Germesin, S.; Becker, T.; Laleci, G. B.; Kilic, O.; Ocalan, C.; Alpay, E.; Dogac, A.

IKS Deliverable - D2.1 Report: AmI Case Requirements Specification (Restricted), 2010.
BibTeX

Maass, W.

Selke, S. & Dittler, U. (ed.)
Hyperwelt: Massive Vernetzung der Informationssphäre mit der realen Welt, Postmediale Wirklichkeiten aus interdiszipliniärer Perspektive, Heise, 2010, pp. 49-59.
BibTeX

Janzen, S., Kowatsch, T., Maass, W. & Filler, A.

Linkage of Heterogeneous Knowledge Resources within In-store Dialogue Interaction, 9th International Semantic Web Conference (ISWC 2010), Shanghai, China, 2010.
PDF (759 KB) - BibTeX

Almeida, J., Deus, H. & Maass, W.

S3DB core: a framework for RDF generation and management in bioinformatics infrastructures, BMC Bioinformatics, 2010, 11(387).
Impact Factor: 3.02; SJR Rating: Computer Science Applications: Q1, Molecular Biology: Q2; H-Index: 102
BibTeX

Maass, W. & Filler, A.

Supporting Cooking Tasks by a Smart Formulation Table, 6th International Conference on Intelligent Environments (IE'10), Kuala Lumpur, Malaysia, 2010.
BibTeX

Maass, W., Filler, A., Janzen, S. & Kowatsch, T.

Towards a Transition to Tangible Commerce: Design and Evaluation of Conversational Product Interfaces, 4th IEEE International Conference on Digital Ecosystems and Technologies (DEST), Dubai, United Arab Emirates, 2010.
PDF (2.93 MB) - BibTeX

Janzen, S., Kowatsch, T. & Maass, W.

A Methodology for Content-Centered Design of Ambient Environments, DESRIST 2010: Global Perspectives on Design Science Research, St. Gallen, Switzerland, 2010.
PDF (4.49 MB) - BibTeX

Kowatsch, T. & Maass, W.

In-store Consumer Behavior: How Mobile Recommendation Agents Influence Usage Intentions, Product Purchases, and Store Preferences, Computers in Human Behavior, 2010, 26(4), pp. 697-704.
SJR Rating: Computer Science Applications Q1, Developmental and Educational Psychlogy Q1, Experimental and Coginitve Psychology Q1; H-Index: 60
PDF (391 KB) - BibTeX

Kowatsch, T. & Maass, W.

Online vs. In-Store Shopping: How Problem Solving Strategies of Decision Support Systems Influence Confidence in Purchase Decisions, 18th European Conference on Information Systems (ECIS2010), Pretoria, South Africa , 2010.
JQR-Rating: B JQR-Index: 7.37
PDF (187 KB) - BibTeX

2009

Maass, W. & Varshney, W.

A Framework for Smart Healthcare Situations and Smart Drugs, SIG-Health Pre-AMCIS Workshop at the 15th Americas Conference on Information Systems (AMCIS 2009). San Francisco, USA, 2009.
JQR-Rating: D JQR-Index: 5.92
BibTeX

Kowatsch, T., Maass, W. & Fleisch, E.

The Use of Free and Paid Digital Product Reviews on Mobile Devices in In-Store Purchase Situations, 4th Mediterranean Conference on Information Systems (MCIS 09), Athens, Greece, 2009.
PDF (1.55 MB) - BibTeX

Maass, W.

Handel von Information und Wissen über digitale Netze, Gabler Verlag, 2009.
BibTeX

Maass, W. & Janzen, S.

A Pattern-based Ontology Building Method for Ambient Environments, Workshop on Ontology Patterns - WOP2009 at the 8th International Semantic Web Conference (ISWC 2009), Washington, DC, 2009.
PDF (1.95 MB) - BibTeX

Maass, W. & Kowatsch, T.

Let's Get Married: Adoption of Interactive Product Information For Bundle Purchases By Tangible User Interfaces, 4th Mediterranean Conference on Information Systems (MCIS 09), Athens, Greece, 2009.
Nominations: Best Paper Award
PDF (764 KB) - BibTeX

Janzen, S. & Maass, W.

Ontology-based Natural Language Processing for In-store Shopping Situations, Third IEEE International Conference on Semantic Computing (ICSC 2009), Berkeley, California, USA, 2009.
PDF (6.58 MB) - BibTeX

Kowatsch, T. & Maass, W

Vincenzo D'Andrea, G.R. Gangadharan, Renato Iannella, Michael Weiss. (ed.)
Towards a Framework for Knowledge-based Pricing Services Improving Operational Agility in the Retail Industry, 2nd International Workshop on Enabling Service Business Ecosystems (ESBE’09), co-located with the Mediterranean Conference on Information Systems, 2009, 530.
PDF (285 KB) - BibTeX

Maass, W.

Media Channels for Personal Business Media, IEEE International Conference on Digital Ecosystems and Technologies (DEST), Istanbul, Turkey, 2009.
PDF (253 KB) - BibTeX

2008

Janzen, S. & Maass, W.

CoRA - Interactive Communication with Smart Products, Workshop AmI Blocks at the European Conference on Ambient Intelligence (AmI-08), Nürnberg, 2008.
PDF (6.79 MB) - BibTeX

Janzen, S. & Maass, W.

Smart Product Description Object (SPDO), Poster Proceedings of the 5th International Conference on Formal Ontology in Information Systems (FOIS2008), Saarbrücken, 2008.
PDF (59 KB) - BibTeX

Apostolou, D., Mentzas, G., Klein, B., Abecker, A. & Maass, W.

Interorganizational Knowledge Exchanges, IEEE Intelligent Systems, 2008, 23(4), pp. 65-74.
Impact Factor: 1.93; SJR Rating: Artificial Intelligence Q1, Control and Systems Engineering Q1, Electrical and Electronic Engineering Q1; H-Index: 71
PDF (1.34 MB) - BibTeX

Maass, W. & Varshney, U.

Preface to the Focus Theme Section: 'Smart Products' , Electronic Markets, 2008, 18(3), pp. 211-215.
JQR-Rating: C JQR-Index: 6.85; SJR Rating: Business and International Management: Q2, Computer Science Applications: Q3, Economics and Econometrics: Q3, Management of Technology and Innovation: Q3, Marketing: Q3; H-Index: 5
PDF (101 KB) - BibTeX

Maass, W. & Kowatsch, T.

Mobile Decision Support vs. Interpersonal Sales Communication: Predictors of Buying Intentions for Price Bundles, Proceedings of the 21st Bled eConference, Bled, Slovenia, 2008.
PDF (178 KB) - BibTeX

Maass, W. & Kowatsch, T.

Adoption of Dynamic Product Information: An Empirical Investigation of Supporting Purchase Decisions on Product Bundles, Proceedings of the 16th European Conference on Information Systems (ECIS), Galway, Ireland, 2008.
JQR-Rating: B JQR-Index: 7.37
PDF (105 KB) - BibTeX

Kowatsch, T. & Maass, W.

The Impact of Pre-defined Terms on the Vocabulary of Collaborative Indexing Systems, Proceedings of the 16th European Conference on Information Systems (ECIS), Galway, Ireland, 2008.
JQR-Rating: B JQR-Index: 7.37
PDF (1.06 MB) - BibTeX

Maass, W., & Stahl, F.

Meckel, M. & Schmid, B (ed.)
Content Management als Teil des Kommunikationsmanagement, Kommunikationsmanagement im Wandel, Gabler, 2008, pp. 151-162.
BibTeX

Maass, W., Filler. A. & Janzen, S.

Mühlhäuser, M., Ferscha, A. and Aitenbichler, E (ed.)
Reasoning on Smart Products in Consumer Good Domains, Constructing Ambient Intelligence, CCIS 11, Springer, 2008.
BibTeX

Kowatsch, T., Maass, W., Filler, A. & Janzen, S.

Knowledge-based Bundling of Smart Products on a Mobile Recommendation Agent, Proceedings of the 7th International Conference on Mobile Business (ICMB). IEEE Computer Society Press. Barcelona, Spain, 2008.
PDF (1.63 MB) - BibTeX

2007

Maass, W., Kowatsch, T. & Münster, T.

Vocabulary Patterns in Free-for-all Collaborative Indexing Systems , International Workshop on Emergent Semantics and Ontology Evolution (ESOE 2007) at the 6th International Semantic Web Conference (ISWC 2007) , Busan, Korea, 2007.
PDF (2.95 MB) - BibTeX

Maass, W. & Lampe, M.

Koschke, R. & Rödiger, K.-H. (ed.)
Integration of Standardized and Non-Standardized Product Data , Informatik 2007, Lecture Notes in Informatics, Springer, 2007.
JQR-Rating: C JQR-Index: 6.36
PDF (107 KB) - BibTeX

Maass, W., Behrendt, W. & Gangemi, A.

Carrier Model for Semantically Annotated Information Goods, Journal of Theoretical and Applied Electronic Commerce Research (JTAER), 2007, 2(3), pp. 18-35.
SJR Rating: Business, Management and Accounting(miscellaneous) Q3, Computer Science Applications Q3; H-Index: 11
BibTeX

Maass, W. & Janzen, S.

Dynamic Product Interfaces: A Key Element for Ambient Shopping Environments , Proc. of 20th Bled eConference, Bled, Slovenia, 2007.
PDF (302 KB) - BibTeX

Maass, W.

Elektronische Wissensmärkte: Handel digitaler Wissensgüter auf elektronischen Märkten, Gabler, 2007.
BibTeX

Maass, W., Filler, A. & Janzen, S.

Reasoning on Smart Products in Consumer Good Domains, Workshop AmI Blocks at the European Conference on Ambient Intelligence (AmI-07) , Darmstadt, 2007.
BibTeX

Maass, W. & Filler, A.

Tip 'n Tell: Product-Centered Mobile Reasoning Support for Tangible Shopping , Proc. of MSWFB 2007: Making Semantics Work For Business, part of 1st European Semantic Technology Conference, Vienna, Austria, 2007.
PDF (87 KB) - BibTeX

Maass, W.

A Tentative Design Model for Smart Products, Proc. of Workshop Design of Smart Products, Furtwangen , 2007.
PDF (359 KB) - BibTeX

2006

Stahl, F. & Maass, W.

Adoption and Diffusion in Electronic Markets: An Empirical Analysis of Attributes influencing the adoption of digital paid content, Electronic Market, 2006, 16(3), pp. 233-244.
PDF (186 KB) - BibTeX

Filler, A. & Maass, W.

Maass, W.; Schoder, D.; Stahl, F.; Fischbach, K. (ed.)
Towards Navigation in Semantically Annotated Physical Product Descriptions, Design of Smart Products, 2006, pp. 47-54.
BibTeX

Maass, W. & Behrendt, W.

M. Schoop, A. de Moor, and J. Dietz (ed.)
Trading semantically enhanced digital products in electronic markets, Proc. of the Pragmatic Web Conference, Lecture Notes in Informatics (LNI), Springer, 2006, P-89, pp. 97–109.
JQR-Rating: C JQR-Index: 6.36
PDF (369 KB) - BibTeX

Maass, W. & Filler, A.

In Ch. Hochberger and R. Liskowsky (ed.)
Towards an infrastructure for semantically annotated physical products., Informatik 2006, Lecture Notes in Informatics, Springer, 2006, P-94, pp. 544–549.
JQR-Rating: C JQR-Index: 6.36
PDF (98 KB) - BibTeX

Maass, W., Behrendt, W. & Gangemi, A.

Carrier Model for Semantically Annotated Information Goods, Proc. of the Collecter Europe Conference, 2006.
PDF (369 KB) - BibTeX

Stahl, F. & Maass, W.

Adoption and Diffusion of Digital Information Goods: An Empirical Analysis of the German Paid Content Market, Proc. of the 19th. Bled eConference: eValues, Bled, Slovenia, 2006, pp. 79-88.
PDF (66 KB) - BibTeX

2005

Apostolou, D., Mentzas, G., Abecker, A., Maass, W., Georgolios, P. & Kafentzis K.

Challenges and directions in knowledge asset trading, Intelligent Systems in Accounting, Finance and Management, 2005, 13(1), pp. 1-15.
JQR-Rating: D JQR-Index: 5.99
BibTeX

Behrendt, W., Gangemi, A., Maass, W. & Westenthaler

R. Gómez-Pérez, A. & Euzenat, J. (ed.)
Towards an Ontology-based Distributed Architecture for Paid Content, Proc. of the 2nd European Semantic Web Conference (ESWC), Springer, 2005, pp. 257-271.
PDF (962 KB) - BibTeX

Apostolou, D., Mentzas, G. & Maass, W.

Li, E. & Du, T.C. (ed.)
Knowledge Networking for Collaborative Commerce, Advances in Electronic Business, Idea, 2005, 1, pp. 183-221.
SJR Rating: Sociology and Political Science: Q4; H-Index: 1
BibTeX

Maass, W. & Stahl, F.

Reich, S. (ed.)
Paid Content - Paid Services: Success Factors for Electronic Sales, Digital Content Engineering, Trauner, 2005, pp. 79-88.
PDF (364 KB) - BibTeX

2004

Maass, W.

A. Hohenstein & K. Wilbers (ed.)
Management von Lerninhalten durch Learning-Content-Management-Systeme, Handbuch E-Learning, Deutscher Wirtschaftsdienst, 2004, 24.
BibTeX

Maass, W., Goyal, S. & Behrendt, W.

P. Hobson, E. Izquierdo, I. Kompatsiaris, N. O'Connor (ed.)
Knowledge Content Objects and a Knowledge Content Carrier Infrastructure for ambient knowledge and media aware content systems, Proc. European WS on the Integration of Knowledge, Semantics and Digital Media Technology (EWIMT), London, QMUL, 2004, pp. 449-456.
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Apostolou, D., Georgolios, P., Klein, B., Franz, J., Maass, W., Abecker, A., Kafentzis, K. & Mentzas, G.

Towards provision of knowledge-intensive products and services over the Web, Proc. IASTED International Conference on Artificial Intelligence and Applications (AIA 2004), Innsbruck, Austria, 2004.
PDF (330 KB) - BibTeX

Stahl, F., Schäfer, M.F. & Maass, W.

Strategies for Selling Paid Content on Newspaper and Magazine Websites, Journal of Media Management, 2004, 6(1/2), pp. 59-66.
BibTeX

Maass, W., Schmid, B.F. & Eickhoff, W.

Media Channels for Personal Business Media, International Journal on Electronic Business, 2004, 2(2), pp. 139-151.
JQR-Rating: C JQR-Index: 6.12
BibTeX

Maass, W.

Feller, J.; Fitzgerald, B.; Hissam, S. & Lakhani, K.R. (ed.)
Inside an Open Source Software Community: Empirical Analysis on Individual and Group Level, Proc. of the 4th Workshop on Open Source Software Engineering at 26th International Conference on Software Engineering (ICSE04), 2004, pp. 65-70.
SJR Rating: Engineering (miscellaneous): Q1, Software: Q2; H-Index: 67
PDF (59 KB) - BibTeX

Maass, W.

Stanoevska-Slabeva, K. (ed.)
Innovative Bibliotheksdienste als Bestandteil von Forschungsmedien, The Digital Economy: Anspruch und Wirklichkeit, Springer, 2004, pp. 315-322.
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2003

Maass, W. & Müller, J. P.

Software Agents, preface for Special Issue on Software Agents, International Journal of Electronic Markets, 2003, 13(1).
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Maass, W.

R. Schmidt (ed.)
Marktübersicht zu Content Management Systemen, Proc. 25. DGI Online Tagung 'Competence in Content', DGI, Deutsche Gesellschaft f. Informationswissenschaft u. Informationspraxis, 2003.
PDF (1.79 MB) - BibTeX

Maass, W.

Open Source - Eine strategische Position?, 2003.
PDF (204 KB) - BibTeX

Abecker, A., Apostolou, D., Maass, W., Mentzas, G., Reuschling, C. & Tabor, S.

F. Weber, K.S. Pawar and K.-D. Thoben (ed.)
Towards an Information Ontology for Knowledge Asset Trading, Proc. ICE 2003 - 9th International Conference of Concurrent Enterprising, Espoo, Finland, 2003, pp. 187-194.
PDF (171 KB) - BibTeX

Abecker, A., Tabor, S., Traphöner, R., Franz, J., Maass, W. & Eickhoff, W.

The INKASS Information Ontology for Knowledge Asset Trading (extended abstract), 6. Internationale Tagung Wirtschaftsinformatik 2003: Medien - Märkte - Mobilität, 2003.
PDF (136 KB) - BibTeX

Maass, W.

Stahl, F. & Maass, W. (ed.)
Content Management als Teil des Kommunikations-Management, NetAcademy Press, 2003.
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Stahl, F. & Maass, W.

Content Management Handbuch, NetAcademy Press, 2003.
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2002

Apostolou, D., Mentzas, G., Abecker, A., Eickhoff, W., Maass, W., Georgolios, P., Kafentzis, K. & Kyriakopoulou, S.

Towards an Information Ontology for Knowledge Asset Trading, Fourth International Conference on Practical Aspects of Knowledge Management, 2002.
BibTeX

Eickhoff, W. & Maass, W.

Micromarkets - a distributed agent-based approach to e-markets, Proc. E-World, Syria, 2002.
PDF (76 KB) - BibTeX

Apostolou, D., Mentzas, G., Abecker, A., Eickhoff, W., Maass, W., Georgolios, P., Kafentzis, K. & Kyriakopoulou, S.

S. Karagiannis & U. Reimer (ed.)
Challenges and Directions in Knowledge Asset Trading, Proc. of the Practical Aspects of Knowledge Management, Lecture Notes in Computer Science, Springer, 2002, 2569, pp. 549-564.
JQR-Rating: C JQR-Index: 6.78
PDF (137 KB) - BibTeX

1998

Maass, W. & Schmauks, D.

MOSES: an example for the modelling of spatial services by means of route description system, Zeitschrift für Semiotik, 1998, pp. 91-103.
BibTeX

1997

Krüger, A. & Maass, W.

P. Olivier (ed.)
Towards a Computational Semantics of Pathrelations, Proc. of the Workshop "Language and Space" at 14th. Nat. Conf. on Artificial Intelligence (AAAI-97), Providence, Rhode Island, 1997.
PDF (93 KB) - BibTeX

1996

Maass, W.

Von visuellen Daten zu inkrementellen Wegbeschreibungen in dreidimensionalen Umgebungen: Das Modell eines kognitiven Agenten, Akademische Verlagsgesellschaft Aka GmbH, 1996.
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1995

Maass, W., Baus, J. & Paul, J.

R. Srihari (ed.)
Visual Grounding of Route Descriptions in Dynamic Environments, Proc. of the AAAI Fall Symposium on Computational Models for Integrating Language and Vision, Cambridge, MA, 1995.
PDF (192 KB) - BibTeX

Maass, W.

Frank, A. & Kuhn, W. (ed.)
How Spatial Information Connects Visual Perception and Natural Language Generation in Dynamic Environments: Towards a Computational Model, A Theoretical Basis for GIS, Proc. of the Int. Conf. COSIT'95 Spatial Information Theory, Lecture Notes in Computer Science, Springer, 1995, 988, pp. 223-240.
JQR-Rating: C JQR-Index: 6.78
PDF (233 KB) - BibTeX

1994

Maass, W.

From visual perception to multimodal communication: Incremental route descriptions, Artificial Intelligence Review Journal, 1994, 8(2-3), pp. 159-174.
BibTeX

Gapp, K. & Maass, W.

P. Mc Kevitt (ed.)
Spatial Layout Identification and Incremental Descriptions, Proc. of AAAI-94 Workshop on "Integration of Natural Language and Vision Processing", Seattle, WA, 1994, pp. 145-152.
PDF (190 KB) - BibTeX

1993

Herzog, G., Maass, W. & Wazinski, P.

VITRA GUIDE: Utilisation du Langage Naturel et de Représentation Graphiques pour la Description d'Iténitaires, Colloque Interdisciplinaire du Commitée National "Images et Langages: Multimodalitée et Modélisation Cognitive", 1993, pp. 243-251.
PDF (221 KB) - BibTeX

Maass, W., Wazinski, P. & Herzog, G.

VITRA GUIDE: Multimodal Route Descriptions for Computer Assisted Vehicle Navigation, Proc. of the 6th Int. Conf. on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-93), Edinburgh, Scotland, 1993.
PDF (75 KB) - BibTeX

1992

Maass, W.

Constraint-basierte Plazierung in multimodalen Dokumenten am Beispiel des Layout-Managers in WIP, 1992.
PDF (6.20 MB) - BibTeX

Maass, W., Schiffmann, T., Soetopo, D. & Graf, W.

LAYLAB: Ein System zur automatischen Plazierung von Text-Bild-Kombinationen in multimodalen Dokumenten, 1992.
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1991

Graf, W. & Maass, W.

Brauer, W. & Hernández, D. (ed.)
Constraint-basierte Verarbeitung graphischen Wissens, Proc. of 4. Internationaler GI-Kongreß Wissensbasierte Systeme - Verteilte KI und kooperatives Arbeiten, Springer, 1991.
BibTeX

Graf, W. & Maass, W.

Constraint-basierte Verarbeitung graphischen Wissens, 1991.
PDF (9.25 MB) - BibTeX