Knowledge-Level Modularization of a Complex Knowledge Base. - Josef Meyer-Fujara; Barbara Heller; Sonja Schlegelmilch; Ipke Wachsmuth (KI, 1994)

Evaluation hybrider Expertensystemtools. - Sonja Schlegelmilch; Barbara Heller; Josef Meyer-Fujara (Inform. Spektrum, 1994)

Modularisierung und Fokussierung erweiterbarer komplexer Wissensbasen auf der Basis von Kompetenzeinheiten. - Barbara Heller (Infix, 1996)

GOL: toward an axiomatized upper-level ontology. - Wolfgang Degen; Barbara Heller; Heinrich Herre; Barry Smith 001 (FOIS, 2001)

Adaptive Guideline-based Treatment Workflows with AdaptFlow. - Ulrike Greiner; Jan Ramsch; Barbara Heller; Markus Löffler; Robert Müller 001; Erhard Rahm (CGP, 2004)

Standardized Terminology for Clinical Trial Protocols Based on Top-Level Ontological Categories. - Barbara Heller; Heinrich Herre; Kristin Lippoldt; Markus Löffler (CGP, 2004)

Domain-Specific Concepts and Ontological Reduction within a Data Dictionary Framework. - Barbara Heller; Heinrich Herre; Kristin Lippoldt (DILS, 2004)

The Theory of Top-Level Ontological Mappings and Its Application to Clinical Trial Protocols. - Barbara Heller; Heinrich Herre; Kristin Lippoldt (EKAW, 2004)

Ontology of Time and Situoids in Medical Conceptual Modeling. - Heinrich Herre; Barbara Heller (AIME, 2005)

Semantic foundations of medical information systems based on top-level ontologies. - Heinrich Herre; Barbara Heller (Knowl. Based Syst., 2006)

Positive-Operator Valued Measure (POVM) Quantization. - Jean-Pierre Gazeau; Barbara Heller (Axioms, 2015)