All publications sorted by recency
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| , , , , and , Navigation in Combined Outdoor and Indoor Environments using Multi-Level Surface Maps, in: Proc. of the Workshop on Safe Navigation in Open and Dynamic Environments at the IEEE Int. Conf. on Intelligent Robots and Systems (IROS), 2007 |
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| , Probabilistic Models for Autonomous Systems, University of Freiburg, 2008 |
| , and , Testing Landmarks Identification Theories in Virtual Environments, in: Spatial Cognition VII, pages 54-69, Springer; Berlin; http://www.springer.de, 2010 |
| and , Enhancing navgation performance by cognitively motivated representaion of angle information in virtual enviroments. The case of 3D wayfinding choremes, in: 4th International Conference of Spatial Cognition: Spatial Cognition and Action, pages 159-160, 2009 |
| , Cognitively Motivated Schematization Principles in 3D Virtual Cities, in: COSIT 09: Doctoral Colloquium, pages 105-110, 2009 |
| , and , Learning Reliable and Efficient Navigation with a Humanoid, in: Proc. of the IEEE International Conference on Robotics \& Automation (ICRA), 2010 |
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| , and , Isabelle/HOL - A Proof Assistant for Higher-Order Logic, Springer-Verlag Heidelberg, 2002 |
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| , , and , Socially Inspired Motion Planning for Mobile Robots in Populated Environments, in: International Conference on Cognitive Systems (CogSys), 2008 |
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| , , and , Socially Inspired Motion Planning for Mobile Robots in Populated Environments, in: Cognitive Systems 2008, springer, 2008 |
| , Semantic Place Labeling with Mobile Robots, University of Freiburg, 2008 |
| , and , What is a logic translation? (2009), in: Logica Universalis, 3:1(95-124) |
[DOI] |
| and , Heterogeneous Logical Environments for Distributed Specifications, in: WADT 2008, pages 266--289, Springer, 2009 |
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| , and , A Categorical Perspective on Qualitative Constraint Calculi, in: Qualitative Constraint Calculi - Application and Integration. Workshop at KI 2006, pages 28--39, 2006 |
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| and , Qualitative Reasoning about Relative Direction on Adjustable Levels of Granularity (2010), in: CoRR. abs/0912.5533 |
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| and , Qualitative Reasoning about Relative Direction of Oriented Points (2012), in: Artificial Intelligence Journal, 180--181(34--45) |
[DOI] |
| , and , The Heterogeneous Tool Set, in: TACAS 2007, pages 519-522, Springer-Verlag Heidelberg, 2007 |
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| , and , The Heterogeneous Tool Set, in: VERIFY 2007, 4th International Verification Workshop, pages 119-135, 2007 |
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| , and , Three Semantics for the Core of the Distributed Ontology Language, in: FOIS 2012: 7th International Conference on Formal Ontology in Information Systems, pages 337-352, IOS Press; Amsterdam; http://www.iospress.nl, 2012 |
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| , and , Three Semantics for the Core of the Distributed Ontology Language, in: IJCAI 2013, to appear |
| , and , Semantics of the distributed ontology language: Institutes and Institutions, in: Recent Trends in Algebraic Development Techniques, 21th International Workshop, WADT 2012, pages 212-230, Springer, 2013 |
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| , , and , The Distributed Ontology, Modeling and Specification Language, in: WoMo 2013, to appear |
| , Heterogeneous specification and the heterogeneous tool set, Universitaet Bremen, 2005 |
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| , Heterogeneous Theories and the Heterogeneous Tool Set, in: Semantic Interoperability and Integration, Internationales Begegnungs- und Forschungszentrum (IBFI), Schloss Dagstuhl, Germ, 2005 |
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| , and , Qualitative Spatial Arrangements and Natural Object Categories as a Link between 3D Perception and Speech, in: Proc. of the 8th Pacific Rim International Conference on Artificial Intelligence, 2004 |
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| 1-25 | 26-50 | 51-75 | 76-100 | 101-125 | 126-150 | 151-175 | 176-200 | 201-225 | 226-250 | 251-275 | 276-300 | 301-325 | 326-350 | 351-375 | 376-400 | 401-425 | 426-450 | 451-475 | 476-500 | 501-525 | 526-550 | 551-575 | 576-600 | 601-625 | 626-650 | 651-675 | 676-700 | 701-725 | 726-750 | 751-775 | 776-800 | 801-825 | 826-850 | 851-875 | 876-900 | 901-925 | 926-950 | 951-975 | 976-1000 | 1001-1025 | 1026-1050 | 1051-1075 | 1076-1100 | 1101-1125 | 1126-1150 | 1151-1175 | 1176-1200 | 1201-1225 | 1226-1250 | 1251-1275 | 1276-1300 | 1301-1325 | 1326-1350 | 1351-1375 | 1376-1400 | 1401-1425 | 1426-1450 | 1451-1475 | 1476-1500 | 1501-1525 | 1526-1550 | 1551-1575 | 1576-1600 | 1601-1625 | 1626-1650 | 1651-1675 | 1676-1700 | 1701-1725 | 1726-1750 | 1751-1775 | 1776-1800 | 1801-1825 | 1826-1850 | 1851-1875 | 1876-1900 | 1901-1925 | 1926-1950 | 1951-1975 | 1976-2000 | 2001-2025 | 2026-2050 | 2051-2075 | 2076-2100 | 2101-2125 | 2126-2150 | 2151-2175 | 2176-2200 | 2201-2225 | 2226-2250 | 2251-2275 | 2276-2300 | 2301-2325 | 2326-2350 | 2351-2375 | 2376-2400 | 2401-2425 | 2426-2450 | 2451-2475 | 2476-2500 | 2501-2525 | 2526-2550 | 2551-2575 | 2576-2600 | 2601-2625 | 2626-2650 | 2651-2675 | 2676-2700 | 2701-2725 | 2726-2750 | 2751-2764 |