| Position |
 | Research and Teaching Assistant |
| Interests |
| Representation of knowledge about space and time |
| Characterization of spatial and temporal granularity |
| Lexical semantics of spatial expressions |
| Possible applications of formal specifications for spatial
information systems |
| Formal Ontology |
| Formal specification of properties of objects and relations between objects |
| Conceptualization of natural objects (e.g. forests) |
| Conceptualization of objects depending on granularity |
| Multimodality |
| Semantics of natural language expressions in the context of
multi-modal interaction (e.g. deixis) |
| Common formal concepts at the interface between different modalities |
| Diagrammatic reasoning and interpretation of sketches |
| Projects |
| Formal, artificial and natural ontology |
| Multimodality: representation und communication |
| Linguistic and multimodal routes description |
| Axiomatics of Spatial Concepts |
