2001 |
10 | EE | Gábor Nagypál,
Florian Fischer,
Udo Straub,
Peter Weiß,
Ralf Nikolai:
Integrating Workflow and Groupware Functionalities for Co-operating Small and Medium Sized Enterprises: A Case Study.
CRIWG 2001: 38-43 |
1999 |
9 | EE | Wassili Kazakos,
Ralf Kramer,
Ralf Nikolai,
Dimitri Nikolaidis:
Multidimensional Access to European Environmental Data.
DEXA Workshop 1999: 655-659 |
1998 |
8 | | Ralf Nikolai,
A. Traupe,
Ralf Kramer:
Thesaurus Federations: A Framework for the Flexible Integration of Heterogeneous, Autonomous Thesauri.
ADL 1998: 46-55 |
7 | | Wassili Kazakos,
Ralf Kramer,
Ralf Nikolai,
Claudia Rolker,
Sigfus Bjarnason,
Stefan Jensen:
WebCDS - A Java-based Catalogue System for European Environment Data.
IADT 1998: 482-490 |
6 | | Ralf Kramer,
Wassili Kazakos,
Arne Koschel,
Ralf Nikolai,
Claudia Rolker:
Interoperabilität Web-basierter Umweltkatalogsysteme.
Workshop Integration heterogener Softwaresysteme 1998: 88-95 |
1997 |
5 | EE | Peter C. Lockemann,
Ulrike Kölsch,
Arne Koschel,
Ralf Kramer,
Ralf Nikolai,
Mechtild Wallrath,
Hans-Dirk Walter:
The Network as a Global Database: Challenges of Interoperability, Proactivity, Interactiveness, Legacy.
VLDB 1997: 567-574 |
4 | | Ralf Kramer,
Ralf Nikolai,
Corinna Habeck:
Thesaurus Federations: Loosely Integrated Thesauri for Document Retrieval in Networks Based on Internet Technologies.
Int. J. on Digital Libraries 1(2): 122-131 (1997) |
3 | EE | Ralf Kramer,
Ralf Nikolai,
Arne Koschel,
Claudia Rolker,
Peter C. Lockemann,
Andree Keitel,
Rudolf Legat,
Konrad Zirm:
WWW-UDK: A Web-based Environmental Meta-Information System.
SIGMOD Record 26(1): 16-21 (1997) |
1996 |
2 | EE | Ralf Kramer,
Ralf Nikolai,
Horst Spandl:
Umweltdaten im Internet - Aufbau eines öffentlichen WWW-Servers.
EMISA 1996 |
1 | | Ralf Kramer,
Ralf Nikolai:
Accessing Multilingual, Heterogeneous Data Sources in Wide Area Networks - Requirements and Approach.
FQAS 1996: 255-264 |