Ralf Nikolai

According to our database, Ralf Nikolai authored at least 14 papers between 1996 and 2002.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of five.

2002

Thesaurusföderationen: ein Rahmenwerk für die flexible Integration von heterogenen, autonomen Thesauri.

Ralf Nikolai

PhD thesis, 2002

2001

Integrating Workflow and Groupware Functionalities for Co-operating Small and Medium Sized Enterprises: A Case Study.

Gábor Nagypál, Florian Fischer, Udo Straub, Peter Weiß, Ralf Nikolai

Proceedings of the Seventh International Workshop on Groupware (CRIWG'01), 2001

1999

The UDK Approach: the 4th Generation of an Environmental Data Catalogue Introduced in Austria and Germany.

Walter Swoboda, Fred Kruse, Ralf Nikolai, Wassili Kazakos, Detlev Nyhuis, Holger Rousselle

Proceedings of the 3rd IEEE Metadata Conference 1999, MD 1999, Bethesda, 1999

GenThes: A General Thesaurus Browser for Web-based Catalogue Systems.

Ralf Nikolai, Ralf Kramer, Marc Steinhaus, Bruno Felluga, Paolo Plini

Proceedings of the 3rd IEEE Metadata Conference 1999, MD 1999, Bethesda, 1999

Multidimensional Access to European Environmental Data.

Wassili Kazakos, Ralf Kramer, Ralf Nikolai, Dimitri Nikolaidis

Proceedings of the 10th International Workshop on Database & Expert Systems Applications, 1999

1998

WebCDS - A Java-based Catalogue System for European Environment Data.

Wassili Kazakos, Ralf Kramer, Ralf Nikolai, Claudia Rolker, Sigfus Bjarnason, Stefan Jensen

Proceedings of the Third International Conference on Integrated Design and Process Technology, IDPT, 1998

Interoperabilität Web-basierter Umweltkatalogsysteme.

Ralf Kramer, Wassili Kazakos, Arne Koschel, Ralf Nikolai, Claudia Rolker

Proceedings of the Integration heterogener Softwaresysteme, IHS'98, 1998

Thesaurus Federations: A Framework for the Flexible Integration of Heterogeneous, Autonomous Thesauri.

Ralf Nikolai, A. Traupe, Ralf Kramer

Proceedings of the IEEE Forum on Research and Technology Advances in Digital Libraries, 1998

1997

WWW-UDK: A Web-based Environmental Meta-Information System.

Ralf Kramer, Ralf Nikolai, Arne Koschel, Claudia Rolker, Peter C. Lockemann, Andree Keitel, Rudolf Legat, Konrad Zirm

SIGMOD Rec., 1997

Thesaurus Federations: Loosely Integrated Thesauri for Document Retrieval in Networks Based on Internet Technologies.

Ralf Kramer, Ralf Nikolai, Corinna Habeck

Int. J. Digit. Libr., 1997

The Network as a Global Database: Challenges of Interoperability, Proactivity, Interactiveness, Legacy.

Peter C. Lockemann, Ulrike Kölsch, Arne Koschel, Ralf Kramer, Ralf Nikolai, Mechtild Wallrath, Hans-Dirk Walter

Proceedings of the VLDB'97, 1997

Interoperability Issues of the European Catalogue of Data Sources (CDS).

Ralf Kramer, Ralf Nikolai, Claudia Rolker, Sigfus Bjarnason, Stefan Jensen

Proceedings of the Second IEEE Metadata Conference, MD 1997, Silver Spring, 1997

1996

Accessing Multilingual, Heterogeneous Data Sources in Wide Area Networks - Requirements and Approach.

Ralf Kramer, Ralf Nikolai

Proceedings of the Flexible Query-Answering Systems, 1996

Umweltdaten im Internet - Aufbau eines öffentlichen WWW-Servers.

Ralf Kramer, Ralf Nikolai, Horst Spandl

Proceedings of the Informationsserver für das Internet: Anforderungen, 1996