Former Members

• Prof. Rudolf Bayer, Ph. D. (Contact Form)
  • Project Leader and Initiator
  • Invented the UB-Tree and owns the UB-Tree patent
• Dr. Frank Ramsak now at BMW (Contact Form)
  • Project Management
  • Data Warehousing
  • Physical Data Modeling
• Dr. Volker Markl now at IBM Almaden Research Center
  • Project Management and Initiation
  • First Prototype of the UB-Tree
• Dr. Roland Pieringer now at Transaction (Contact Form)
  • Data Warehousing
  • Indexing OLAP Data
  • Multidimensional Hierarchical Clustering
• Dr. Martin Zirkel now at IDS Scheer (Contact Form)
  • Data Warehousing
  • Sorted Reading and Writing of UB-Trees
  • Relational Operations with UB-Trees
• Robert Widhopf-Fenk at IfTA GmBH (Contact Form)
  • Advanced Concepts and Applications of the UB-Tree
  • Indexing of spatial Objects with the UB-Tree
  • Indexing of sparse Universes with the UB-Tree
  • Data Warehousing and Data Mining
  • MDX API, OLE DB for OLAP

Former Master Students/Interns