Papers presented at conferences, courses and seminars (not included above) 

Jiang, J. and  Worboys, M.F. Specifying Events by Changes in Topological Properties (Extended Abstract), To be presented at Geographic Information Science-Fourth International Conference GIScience 2006, Germany, 2006.

Farah, C. and  Worboys, M.F. Specifying Qualitative Analysis of a Scalar Field Using a            Wireless Sensor Network  (Extended Abstract), To be presented at Geographic Information Science-Fourth International Conference GIScience 2006, Germany, 2006.

Klippel, A., Worboys, M.F., and Duckham, M. Geographic event conceptualization (Extended abstract), International Conference on Spatial Cognition, Rome and Perugia, Italy, 2006.

Duckham, M. and Worboys, M.F. Rosetta: Automated geographic information fusion and ontology integration, GIS Planet, Lisbon, Portugal, June 2005.

Worboys, M.F., Goodwin, J., Greenwood, J. and Pendlington, M. Ontology of an Event-Based Transportation Network System, (Extended abstract). Geographic Information Science-Third International Conference GIScience 2004, Adelphi, MD, 2004.

Zhang, R. and Worboys, M.F., Event Hierarchies for Modeling Dynamic Geographic Phenomena, (Extended abstract). Geographic Information Science-Third International Conference GIScience 2004, Adelphi, MD, 2004.

Worboys, M.F., Event-Oriented Approaches to Spatiotemporal Information, Invited presentation and extended abstract, International Workshop on Next Generation Geospatial Information October 19-21, 2003, Cambridge (Boston), Massachusetts, USA.

Worboys, M.F., Modelling spatiotemporal events, Schloss Dagstuhl Specialist Meeting on Computational Cartography and Spatial Modelling, Germany, October 2003.

Taylor, H.A. and Worboys, M.F. Matching levels of detail in descriptions and depictions of spatial information. (Extended abstract). Geographic Information Science-Second International Conference GIScience 2002, Boulder, CO, 2002

Jeansoulin, R., Wilson, N. and Worboys, M.F. Model-based semantics for ontologies of geographic information. (Extended abstract). Geographic Information Science-Second International Conference GIScience 2002, Boulder, CO, 2002.

Worboys, M.F., Contextual and qualitative geoinformation, Schloss Dagstuhl Specialist Meeting on Computational Cartography, Germany, May, 2001.

Duckham, M., Mason, K., Stell, J. and Worboys, M.F. A formal ontological approach to imperfection in geographic information, GIS Research UK National Conference, York, April 2000.

Duckham, M., Mason, K., Stell, J. and Worboys, M.F. A Framework for Indeterminacy in Spatial Information Based on Contradiction, GIScience 2000: First International Conference on Geographic Information Science, Savannah, Georgia, October 28-31, 2000. 

Worboys, M.F., Representing and reasoning with (imperfect) geospatial information, GIScience 2000: First International Conference on Geographic Information Science, Savannah, Georgia, October 28-31, 2000. 

Huang, B., Worboys, M.F., Johnson, C., Stell, J. and Mason, K., A spatio-temporal object model and query language, accepted for presentation as a poster at GIScience 2000: First International Conference on Geographic Information Science, Savannah, Georgia, USA, October 28-31, 2000.

Lingham, J., Mason, K. and Worboys, M.F., Computational techniques for non-Euclidean planar spatial data applied to migrant flows, GISRUK'97, University of Leeds, 1997, pp. 110-114.

Worboys, M.F., Approach to object modelling of a navigable database, Conference on Object-orientation and Navigable Databases, Santa Barbara, California, US, 1996.

Worboys, M.F., Responding to a changing world with GIS, Proceedings of the Conference of the Association of Geographic Information, 1996.

Worboys, M.F., Adding the temporal dimension to GIS, 2^nd EC GIS Workshop, Genova, Italy, 1996.

Hamilton, G.W. and Worboys, M. F., User Perspectives on Geographic Space, GISRUK'96, University of Kent at Canterbury, 1996, pp. 151-155.

Andjelic, T. and Worboys, M.F., Version management for GIS in a distributed environment, GISRUK'95, University of Newcastle upon Tyne, 1995. 

Worboys, M.F., Current and near future computer-based technology for spatial data handling and management, Cambridge Conference for National Mapping Organisations, University of Cambridge, 1995. 

Worboys, M.F., Computational support for the handling of spatio-temporal information, International Workshop on Advanced Research in Geographic Information Systems, Ascona, Switzerland, 1994. 

Worboys, M.F., A generic model for spatio-bitemporal geographic information, Association of American Geographers, San Francisco, USA, 1994. 

Worboys, M.F., Unifying the spatial and temporal components of geographical information, Department of Geomatics, Laval University, Quebec, Canada, 1994. 

Worboys, M.F., GIS Research: Where does computer science fit in? Panel member, 2nd ACM Workshop on Advances in Geographic Information Systems, National Institute for Standards and Technology, Gaithersburg, Maryland, USA, 1994. 

Worboys, M. F., The Object-Based Paradigm for a Geographical Database System: Modelling, Design and Implementation Issues, Progress in Geographical Information Handling, Royal Geographical Society, London, 1993. 

Bofakos, P., Story, P. and Worboys, M.F. Design and implementation of a temporal GIS, GIS Research UK, Keele, UK, 1993. 

Yearsley, C. and Worboys, M.F. Deductive geographic databases, GIS Research UK, Keele, UK, 1993. 

Worboys, M. F., A generic model for spatio-bitemporal geographic information, Research Meeting for the National Center for Geographic Information and Analysis, Initiative 10, Los Angeles, USA, 1993. 

Worboys, M.F., Present GIS Technology and Future Trends, International Workshop on Geographical Information Systems in Assessing Natural Hazards, Perugia, Italy, 1993. 

Worboys, M.F., Putting Time into GIS, Annual Conference of the Association for Geographic Information, Birmingham, 1993. 

Worboys, M.F., Data Models for Spatial Information Systems, invited paper, British Machine Vision Association Seminar on Intelligent Image Databases, 1992. 

Worboys, M. F., Data Modelling for Databases containing Geo-Referenced Information, refereed poster at the 10th British National Conference on Databases, Aberdeen, Scotland, 1992. 

Worboys, M. F., Introduction to GIS, invited tutorial, GIS: From Space to Territory, Theories and Methods of Spatio-Temporal Reasoning, Pisa, Italy, 1992. 

Worboys, M.F., SQL as an Implementation of the Relational Model, invited talk, Study Group on Computers in Survey Analysis Conference on Relational Databases in Survey Research, City University, London, 1991. 

Worboys, M.F., An algebraic approach to database transactions, invited seminar talk, University of Essex, 1991. 

Worboys, M.F., An object-based paradigm for an intelligent geographical information system, Workshop on Spatial Data: User Needs and Solutions, Keele University, 1991. 

Worboys, M.F., Data modelling for geographical databases, invited seminar talk, University of Leicester, 1991. 

Worboys, M.F., Object-oriented databases for GIS, invited talk, Seminar for the ESRC/NERC Joint Programme on Geographic Information Handling, University of Nottingham, 1991. 

Worboys, M. F., Reasoning about GIS using Temporal and Dynamic Logics, invited paper, NCGIA Temporal Workshop, University of Maine, Orono, USA, 1990. 

Worboys, M. F., Hearnshaw, H. M., and Maguire, D. J., The IFO Object-Oriented Data Model, invited paper, Managing Geographic Information Systems and Databases, Lancaster University, 1989.  (Subsequently, invited tutorial paper, SHAPE NATO GIS Symposium, The Hague, Netherlands, 1989). 

Worboys, M.F., Groups—a database for computational algebra, Proceedings of a conference organized by the Institute of Mathematics and its Applications on Computers in mathematical research, Wales, Pages: 153 – 160, 1988. 

Worboys, M.F., A database for finite group theory, Conference on Finite Simple Groups, Birmingham, 1987. 

Worboys, M.F., The GROUPS database, Rutherford Appleton Laboratory Conference on Computational Algebra, 1987. 

Worboys, M.F., A database for group theorists, invited seminar talk, University of Manchester, 1987. 

Worboys, M.F., On the Denotational Semantics of Relational Database Query Languages, First British Colloquium on Theoretical Computer Science, Leeds University, 1985. 

Worboys, M.F., Conway's group Co3 as a 2-generator group, Conf. on Finite Simple Groups, Univ. Birmingham, 1982. 

Technical reports

Nittel, S., Stefanidis, A., Cruz, I., Egenhofer, M., Goldin, D., Howard, A., Labrinidis, A., Madden, S., Voisard, A. and Worboys, M.F. Report from the First Workshop on Geo Sensor Networks, ACM SIGMOD Record,.33(1): 141-144, 2004.

Worboys, M.F., Temporal Enhancements to the Integrated Transport Network ITN+T, Report to the Ordnance Survey of Great Britain, 2004.

Worboys, M.F., Appropriate Research Directions for Ordnance Survey in the Area of Spatiotemporal Information Systems, Report to the Ordnance Survey of Great Britain, 2003.

Worboys, M.F., Object oriented conceptual model of the interoperation of Centre for Earth Observation data and services in a distributed environment, Report to the Centre for earth Observation, Joint Research Centre, European Commission, Ispra, Italy, 1996.

Worboys, M. F. and Yearsley, C. M., A multi-layered deductive model for spatio-temporal objects, Technical Report 95-05, Keele University, Department of Computer Science, 1995. 

Story, P. A. and Worboys, M. F., A design support environment for spatio-temporal database applications, Technical Report 95-04, Keele University, Department of Computer Science, 1995. 

Jayawardena, D. P. W. and Worboys, M. F., On the role of triangulation in spatial databases. Part Three: Evaluation of Triangulation, Technical Report 94-13, Keele University, Department of Computer Science, 1994. 

Jayawardena, D. P. W. and Worboys, M. F., On the role of triangulation in spatial databases: Part One}, Technical Report 93-15, Keele University, Department of Computer Science, 1993. 

Jayawardena, D. P. W. and Worboys, M. F., On the role of triangulation in spatial databases. Part Two: Spatial Access Methods, Technical Report 93-22, Keele University, Department of Computer Science, 1993. 

Measor, N.D.N., and Worboys, M.F., A Quantale-Theoretic Approach to Database Transactions, Technical Report No. 41, University of Leicester, Department of Computing Studies, 1991. 

Hearnshaw, H. M., and Worboys, M. F., An Object-oriented Future, MRRL Internal Research Report, No. 14, 1990. 

Worboys, M. F., Reasoning about GIS using Temporal and Dynamic Logics, MRRL Internal Research Report, No. 18, 1990. 

Worboys, M.F., Reasoning on Knowledge Bases with Incomplete Information, (Logics of Knowledge and Belief), Technical Report No. 20, University of Leicester, Department of Computing Studies, 1989. 

Hearnshaw, H. M., Maguire, D. J., and Worboys, M. F., An Introduction to Area-Based Spatial Units: A Case Study of Leicestershire, MRRL Internal Research Report, No. 1, 1989. 

Worboys, M.F., Reasoning on Knowledge Bases with Incomplete Information, British Telecom Research Laboratories Technical Report, 1988. 

Worboys, M.F., Longstaff, J. and Arrell, D.G., Towards a formal description of query processing in a database knowledge base system, Technical Report No. 5, University of Leicester, Department of Computing Studies, 1987. 

Editorials and popular articles

Hornsby, K.H. and Worboys, M.F., Editorial for special issue of Spatial Cognition and Computation, topic “Event-oriented approaches in geographic information science”, 4(1), 2004.

Worboys, M.F., Guest editorial for a special issue of GeoInformatica, 1999.

Worboys, M.F., GIS: Breaking out of the box. Guest editorial for Transactions in GIS, 1999.

Worboys, M.F., The Founding of an Annual UK National GIS Research Conference, The Regional Research Laboratories Network, pp.29-30, 1993. 

Hearnshaw, H. M., Worboys, M. F., An Object-Oriented Future, Yearbook of the Association of Geographical Information, 1991. 

Maguire, D. J., Worboys, M. F., and Hearnshaw, H. M., An Introduction to Object-Oriented Geographical Information Systems, Mapping Awareness, 4 (2), pp.36-39, 1990. 

Worboys, M.F., A Combinatorial Puzzle, Mathematical Gazette, 438, pp 255-258, 1982. 

Worboys, M.F., The geometric series - a geometric demonstration, Mathematical Gazette, 413, pp 204-205, 1979. 

Other public output

Worboys, M.F., EASI - an Expert Adviser for Scaling Ionograms. Computer software written for the Rutherford Appleton Laboratory and the British Antarctic Survey, 1988

Theses

On the homomorphisms of the (2,3,7)-group into certain finite simple groups, Ph.D. Thesis, University of Birmingham, 1980. 

On the equivalence of program schemata, M.Sc. Thesis, University of Bristol, 1969.