Development of Problem-Specific Evolutionary Algorithms. - Alexander Leonhardi; Wolfgang Reissenberger; Tim Schmelmer; Karsten Weicker; Nicole Weicker (PPSN, 1998)

Virtual Information Towers-A Metaphor for Intuitive, Location-Aware Information Access in a Mobile Environment. - Alexander Leonhardi; Uwe Kubach; Kurt Rothermel; Andreas Fritz (ISWC, 1999)

Next Century Challenges: Nexus - An Open Global Infrastructure for Spatial-Aware Applications. - Fritz Hohl; Uwe Kubach; Alexander Leonhardi; Kurt Rothermel; Markus Schwehm (MobiCom, 1999)

Research issues in developing a platform for spatial-aware applications. - Peter Coschurba; Uwe Kubach; Alexander Leonhardi (ACM SIGOPS European Workshop, 2000)

A Comparison of Protocols for Updating Location Information. - Alexander Leonhardi; Kurt Rothermel (Clust. Comput., 2001)

Metaphors and Context-Aware Information Access. - Peter Coschurba; Joachim Baumann 001; Uwe Kubach; Alexander Leonhardi (Pers. Ubiquitous Comput., 2001)

Architecture of a Large-Scale Location Service. - Alexander Leonhardi; Kurt Rothermel (ICDCS, 2002)

A Map-Based Dead-Reckoning Protocol for Updating Location Information. - Alexander Leonhardi; Christian Nicu; Kurt Rothermel (IPDPS, 2002)

Modeling Computer Networks for Emulation. - Daniel Herrscher; Alexander Leonhardi; Kurt Rothermel (PDPTA, 2002)

Sicherheitsaspekte in Nexus - einer Plattform für ortsbezogene Anwendungen (Security Aspects of Nexus - A Platform for Spatially Aware Applications). - Christian Hauser; Alexander Leonhardi; Paul J. Kühn (Informationstechnik Tech. Inform., 2002)