Publications

Dr. Tryfona has co-authored more than 50 publications. These publications have attracted more than 2000 citations and an h-index of 24 (Google Scholar Data as of Jan 2015).

@ Google Scholar

Edited Volume/Books

  1. Spatio-Temporal Databases: The CHOROCHRONOS Approach. Sellis, M. Koubarakis, A. Frank, S. Grumbach, R. H. Gueting, C. S. Jensen, N. Lorentzos, Y. Manolopoulos, E. Nardelli, B. Pernici, B. Theodoulidis, N. Tryfona, H.-J. Schek and M. Scholl (eds), Springer-Verlag, 2003.

Book Chapters

  1. Dynamic Travel Time Maps. Sotiris Brakatsoulas, Dieter Pfoser, Nectaria Tryfona, Agnes Voisard. Chapter Entry in Encyclopedia of GIS. Sh. Shekhar, H. Xiong (Eds.), Springer Verlag, 2008.
  2. Spatiotemporal Conceptual Modeling, Nectaria Tryfona, Christian S. Jensen. Chapter Entry in Encyclopedia of GIS. Sh. Shekhar, H. Xiong (Eds.), Springer Verlag, 2008.
  3. Conceptual Models for Spatiotemporal applications. Nectaria Tryfona, Rosanne Price and Christian Jensen. Chapter 3 in Book: Spatiotemporal Databases: The CHOROCHRONOS approach, Springer-Verlag, 2003.
  4. Α Web in Space. Koutlis, Tsironis, Kyrimis, Vasiliou, Gryllakis, Mantes, Tryfona. In Stefanakis, E., Peterson, M.P., Armenakis, C., Delis, V., (Eds), Geographic Hypermedia: Concepts and Systems, Springer. 2006..

Journal papers

  1. Evaluation of Database Modeling Methods for Geographic Information Systems. Thanasis Hadzilacos, Nectaria Tryfona. Australasian Journal of Information Systems 6 (1), 2007.
  2. Handling High-Level Queries in Location-Based Services for User Groups. Panayiotis Partsinevelos and Nectaria Tryfona. 2005. Geoinformatica Journal.
  3. Indeterminacy and SpatioTemporal Data: the Moving Point Object Case. Dieter Pfoser, Nectaria Tryfona and Christian S. Jensen. 2005. Geoinformatica Journal.
  4. Data Semantics in Location-based Services, Nectaria Tryfona and Dieter Pfoser. 2004 Journal of Data Semantics.
  5. Quantum-based Spatial Extensions to the Relational Model. Nikos Lorentzos, J.R. Rios Viqueira and Nectaria Tryfona. Chapter in Book: Advances in Informatics, D.I. Fotiadis, S.D. Nikolopoulos (eds), World Scientific, 2002.
  6. Extending UML for Space and Time-Dependent Applications. Rosanne Price, Nectaria. Tryfona, and Christian. S. Jensen. Chapter 18 in Advanced Topics in Database Research, K. Siau (ed.) IDEA Group Publishing, 2002, 34 pages.
  7. Extended Spatiotemporal UML: Motivations, Requirements, and Construct Rosanne Price, Nectaria Tryfona and Christian S. Jensen. Journal of Database Management. Special Issue on UML, 11, 4, Oct.-Dec. 2000.
  8. Conceptual Data Modeling for Spatiotemporal Applications. Nectaria Tryfona and Christian S. Jensen. GeoInformatica Journal 3,3 September 1999.
  9. Evaluation of Database Modeling Methods for Geographic Information Systems. Thanasis Hadzilacos and Nectaria Tryfona. Australian Journal of Information Systems, 6,1, 1998.
  10. An Extended Entity-Relationship Model for Geographic Applications. Thanasis Hadzilacos and Nectaria Tryfona. SIGMOD RECORD Journal, Sept. 1997.
  11. Consistency among Parts and Aggregates: A Computational Model. Nectaria Tryfona, and Max J. Egenhofer. Transactions in Geographical Information Systems, 1997 (1,3).
  12. Logical Data Modeling for Geographic Applications. Thanasis Hadzilacos and Nectaria Tryfona. International Journal of Geographical Information Systems, 1996, 10, 2.

Conference papers (fully refereed)

  1. Who is the learner? Roles and responsibilities in the online learning community. Larisa Olesova and Nektaria Tryfona. Sloan-C Conference on Online Education. Orlando, Florida, 2014.
  2. One size fits all? Bridging the gap between Distance Education Environments and Geoinformation Science. Nektaria Tryfona. Sloan-C Conference on Online Education. Orlando, Florida, 2013.
  3. PLATIS: A Personalized Location-Aware Tourist Information System. Kostas Makedos and Nektaria Tryfona. ACM SIGSPATIAL MOBIGIS workshop. 2013.
  4. Dynamic travel time provision for road networks. Dieter Pfoser, Sotiris Brakatsoulas, Petra Brosch, Martina Umlauft, Nectaria Tryfona, Giorgos Tsironis. Proc. ACM SIGSPATIAL conference, 2008.
  5. Dynamic Travel Time Maps – Enabling Efficient Navigation. Dieter Pfoser, Nectaria Tryfona, and Agnes Voisard. Proc. 18th SSDBM conference, pp. 369-378, 2006.
  6. Practical Data Management Techniques for Vehicle Tracking Data. Sotiris Brakatsoulas, Dieter Pfoser, and Nectaria Tryfona. 21st International Conference on Data Engineering (ICDE), 2005.
  7. Constructive m-Learning Activities. Thanasis Hazdilacos and Nectaria Tryfona. ICALT 2005 (short paper).
  8. Modelling Storing and Mining Moving Object Databases. Sotiris Brakatsoulas, Dieter Pfoser, and Nectaria Tryfona. 8th International Database Engineering & Applications Symposium (IDEAS), 2004.
  9. Services-based Data Management in a Global Computing Environment, D. Pfoser, N. Tryfona, V. Verykios, 3rd International Workshop on Web and Wireless Geographical Information Systems, W2GIS 200, Dec. 13, 2003, Roma, Italy.
  10. Metadata Modeling in a Global Computing Environment, Pfoser D., Pitoura E., Tryfona N. 19th ACM International Symposium on Advances in Geographical Information Systems (ACM-GIS), 2002.
  11. Management of Multiply Represented Geographic Entities. A. Friis-Christensen, D. Skogan, C.S. Jensen, G. Skagestein, N. Tryfona. International Database Engineering and Applications Symposium (IDEAS), Edmonton, Canada, July 17-19, 2002. IEEE Press.
  12. Designing Ontologies for Moving Objects Applications. Nectaria Tryfona and Dieter Pfoser. International Workshop on Complex Reasoning on Geographic Data. Paphos, Cyprus. Dec 1, 2001
  13. Requirements and Research Issues in Geographic Data Modeling Anders Friis-Christensen, Nectaria Tryfona, Christian S. Jensen, 9th ACM International Symposium on Advances in Geographic Information Systems (ACMGIS 2001) Atlanta, GA, USA, Nov. 9-10, 2001.
  14. Modeling Topological Constraints in Spatial Part-Whole Relationships Rosanne Price, Nectaria Tryfona, Christian S. Jensen. 20th International Conference on Conceptual Modeling (ER 2001), Yokohama, Japan, Nov. 27-30, 2001.
  15. Pre-Aggregation in Spatial Data Warehouses. Torben Bach Pedersen and Nectaria Tryfona. Seventh International Symposium on Spatial and Temporal Databases, Redondo Beach, California, USA, July 12-15, 2001.
  16. Operations for Conceptual Schema Manipulation: Definitions and Semantics. Helle L. Christensen, Mads L. Haslund, Henrik N. Nielsen, Nectaria Tryfona. ADBIS’2001, Fifth East-European Conference on Advances in Databases and Information Systems, September 25-28, 2001, Vilnius, Lithuania.
  17. Capturing Fuzziness and Uncertainty of Spatiotemporal Objects. D. Pfoser and N. Tryfona ADBIS’2001, Fifth East-European Conference on Advances in Databases and Information Systems, September 25-28, 2001, Vilnius, Lithuania.
  18. Location-based services: A database perspective. Christian S. Jensen, Anders Friis-Christensen, Torben Bach Pedersen, Dieter Pfoser, Simonas Saltenis, Nectaria Tryfona, ScanGIS 2001 Proceedings of the 8th Scandinavian Research Conference on Geographical Information Science, 25th – 27th June 2001, ISBN 82-576-9502-5, May 2001, Ås, Norway.
  19. Modeling Part-Whole Relationships for Spatial Data. Rosanne Price, Nectaria Tryfona, and Christian Jensen. 8th ACM International Workshop on Advances in Geographic Information Systems, ACM Press, Washington, DC,  November 2000.
  20. A Framework for Constraint-based Spatial Data Mining. Nectaria Tryfona. In proceedings of the International Workshop on Emerging Technologies for Geo-Based Applications. May 2000. Ascona, Switzerland.
  21. Using Abstractions for Spatiotemporal Conceptual Design. Nectaria Tryfona and Christian S. Jensen. 2000 ACM Symposium on Applied Computing (SAC 2000), Como, Italy. ACM Press Proceedings.
  22. starER: A Conceptual Model for Data Warehouse Design. Nectaria Tryfona, Frank Busborg, and Jens Borg Christiansen. ACM Second International Workshop on Data Warehousing and OLAP (DOLAP) 1999. ACM Press Proceedings.
  23. Relational Algebra for Spatial Data Management. Nikos Lorentzos, Nectaria Tryfona and J. R. Rios Viquiera. International NSF Workshop on Integrated Spatial Databases: Digital Images and GIS, Portland, Maine, 1999. Lecture Notes in Computer Science 1737.
  24. Requirements, Definitions and Notations for Spatiotemporal Application Environment. Dieter Pfoser and Nectaria Tryfona. 6th ACM International Workshop on Advances in Geographic Information Systems, Baltimore, MD, November 1998. ACM Press Proceedings.
  25. Modeling Phenomena in Spatiotemporal Applications: Desiderata and Solutions. Nectaria Tryfona. 9th International Conference on Database and Expert Systems Applications, (DEXA) 1998. Lecture Notes in Computer Science, 1460.
  26. Logical Data Modeling for Spatio-Temporal Applications: Definitions and a Model. Nectaria Tryfona and Thanasis Hadzilacos. International Database Engineering and Applications Symposium, 1998. IEEE Press Proceedings.
  27. Evaluation of Data Modeling Methods for Geographic Applications. Nectaria Tryfona and Thanasis Hadzilacos. Proceedings of the IFIP 8.1/CAiSE 1997 International Workshop on Evaluation of Modeling Methods in Systems Analysis and Design, Spain, 1997.
  28. Modeling Behavior of Geographic Objects: An Experience with the Object Modeling Technique. Nectaria Tryfona, Dieter Pfoser and Thanasis Hadzilacos. 9th International Conference on Advanced Information Systems and Engineering (CAiSE) Spain, 1997. Lecture Notes in Computer Science.
  29. Structuring Space with Image Schemata: Wayfinding in Airport as a Case Study. M. Raubal, M. Egenhofer, D. Pfoser, and N. Tryfona. COSIT ’97, Laurel Highlands, P. S. Hirtle and A. Frank (eds.), Lecture Notes in Computer Science, Springer-Verlag, 1997.
  30. Multi-Resolution Spatial Databases: Consistency Among Networks. Nectaria Tryfona, and Max J. Egenhofer. 6th International Workshop on Foundations of Models and Languages for Data and Objects: Integrity in Databases, Schlob Dagstuhl, Germany, S.Conrad, H-J.Klein and K-D.Schewe (eds.), 1996.
  31. On Information Modeling to Support Interoperability in Geographic Databases. Nectaria Tryfona and Jayant Sharma. 8th International Conference on Advanced Information Systems and Engineering (CAiSE) Crete, 1996. Lecture Notes in Computer Science.
  32. Designing a Decision Support Tool for an Emergency Management Applications. Nectaria Tryfona, Nikos Soulakellis and Paul Delladetsimas. 1st International Conference on GIS in Environmental, Regional and Urban Planning, SAMOS Conference, 1996.
  33. Geographic Applications Development: Models and Tools for the Conceptual Level. Nectaria Tryfona and Thanasis Hadzilacos. 3rd ACM International Workshop on Advances in Geographic Information Systems, Baltimore, MD, December 1995. ACM Press.
  34. An Introduction to Layer Algebra. Vassilis Delis, Thanasis Hadzilacos and Nectaria Tryfona, Advances in GIS Research, Proceedings of the 6th International Symposium on Spatial Data Handling, Taylor and Francis, Edinburgh, UK, September 1994.
  35. A Model for Expressing Topological Integrity Constraints in Geographic Databases. Thanasis Hadzilacos and Nectaria Tryfona. International Conference GIS: From Space to Territory: Theories and Methods of Spatio-Temporal Reasoning in Geographic Space, Pisa, Italy, September 1992. Lecture Notes in Computer Science, Springer-Verlag (639).
  36. A Conceptual Schema for Geographic Databases. Thanasis Hadzilacos and Nectaria Proceedings of the 2nd European Conference on Geographic Information Systems (EGIS’91), Brussels, Belgium, April 1991.