- Book chapter

Gochev, V., Atanassov, K.T. and Chountas, P. 2003. A Generalized net, representing the functioning and the results of the work of Fuzzy Petri Nets. in: Jardim-Goncalves, R., Cha, J. and Steiger-Garcao, A. (ed.) Concurrent engineering--the vision for the future generation in research and applications: proceedings of the 10th ISPE International Conference on Concurrent Engineering, Research and Applications, 26-30 July 2003 Lisse, Netherlands A.A. Balkema. pp. 1009-1012

Chapter title | A Generalized net, representing the functioning and the results of the work of Fuzzy Petri Nets |
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Authors | Gochev, V., Atanassov, K.T. and Chountas, P. |

Editors | Jardim-Goncalves, R., Cha, J. and Steiger-Garcao, A. |

Book title | Concurrent engineering--the vision for the future generation in research and applications: proceedings of the 10th ISPE International Conference on Concurrent Engineering, Research and Applications, 26-30 July 2003 |

Page range | 1009-1012 |

Year | 2003 |

Publisher | A.A. Balkema |

Publication dates | |

Published | 2003 |

Place of publication | Lisse, Netherlands |

ISBN | 905809622X |

Intercriteria Analysis and Arithmetic Functions

Atanassov, K.T., Atanassova, V. and Chountas, P. 2019. Intercriteria Analysis and Arithmetic Functions. in: Hadjiski, M. and Atanassov, K.T. (ed.) Intuitionistic Fuzziness and Other Intelligent Theories and Their Applications Springer-Verlag. pp. 1-11

Generalized Net Model of Muscle Pain Diagnosing

Ribagin, S., Chountas, P. and Pencheva, T. 2017. Generalized Net Model of Muscle Pain Diagnosing. Christiansen, H., Jaudoin, H., Chountas, P., Andreasen, T. and Legind Larsen, H. (ed.) *12th International Conference, FQAS 2017.* London, UK 21 - 22 Jun 2017 Springer.

Application of Topological Operators over Data from InterCriteria Analysis

Roeva, O., Vassilev, P. and Chountas, P. 2017. Application of Topological Operators over Data from InterCriteria Analysis. Christiansen, H., Jaudoin, H., Chountas, P., Andreasen, T. and Legind Larsen, H. (ed.) *12th International Conference, FQAS 2017.* London, UK 21 - 22 Jun 2017 Springer.

Intercriteria analysis over normalized data

Atanassov, K.T., Atanassova, V., Chountas, P., Mitkova, M., Sotirova, E., Sotirov, S. and Stratiev, D. 2016. Intercriteria analysis over normalized data. Yager, R., Sgurev, V., Hadjiski, M. and Jotsov, V. (ed.) *2016 IEEE 8th International Conference on Intelligent Systems.* Sofia, Bulgaria 04 - 06 Sep 2016 IEEE .

Generalized Net Model of an Expert System Dealing with Temporal Hypothesis

Chountas, P., Atanassov, K.T., Sotirova, E. and Bureva, V. 2015. Generalized Net Model of an Expert System Dealing with Temporal Hypothesis. Andreasen, T., Christiansen, H., Kacprzyk, J., Larsen, H., Pasi, G., Pivert, O., De Tré, G., Vila, M.A., Yazici, A. and Zadrozny, S. (ed.) *11th International Conference FQAS 2015.* Cracow, Poland 26 - 28 Oct 2015 Springer.

Generalized Net of the Process of Sequential Pattern Mining by Generalized Sequential Pattern Algorithm (GSP)

Bureva, V., Sotirova, E. and Chountas, P. 2014. Generalized Net of the Process of Sequential Pattern Mining by Generalized Sequential Pattern Algorithm (GSP). Filev, D., Jabłkowski, J., Kacprzyk, J., Krawczak, M., Popchev, I., Rutkowski, L., Sgurev, V., Sotirova, E., Szynkarczyk, P. and Zadrozny, S. (ed.) *7th IEEE International Conference Intelligent Systems IS’2014.* Warsaw, Poland 24 - 26 Sep 2014 Springer.

Arc-Based Soft XML Pattern Matching

Alzebdi, M., Chountas, P. and Atanassov, K.T. 2013. Arc-Based Soft XML Pattern Matching. Larsen, H.L., Martin-Bautista, M.J., Amparo Vila, M., Andreasen, T. and Christiansen, H. (ed.) *10th International Conference on Flexible Query Answering Systems, FQAS 2013.* Granada, Spain 18 - 20 Sep 2013 Springer.

Approximate XML query matching and rewriting using Intuitionistic Fuzzy Trees

Alzebdi, M., Chountas, P. and Atanassov, K.T. 2012. Approximate XML query matching and rewriting using Intuitionistic Fuzzy Trees. *6th IEEE International Conference on Intelligent Systems (IS).* Sofia, Bulgaria 06 - 08 Sep 2012 IEEE .

The notion of H-IFS: an approach for enhancing the OLAP capabilities in oracle10g

Chountas, P., Rogova, E. and Atanassov, K.T. 2011. The notion of H-IFS: an approach for enhancing the OLAP capabilities in oracle10g. *International Journal of Intelligent Systems.* 26 (3), pp. 262-283.

Intuitionistic fuzzy XML query matching

Chountas, P., Alzebdi, M. and Atanassov, K. 2011. Intuitionistic fuzzy XML query matching. *9th International Conference, FQAS 2011.* Ghent, Belgium 26 Oct 2011 Springer.

A generalized net with an ACO-algorithm optimization component

Chountas, P., Atanassova, V., Fidanova, S. and Atanassov, K.T. 2011. A generalized net with an ACO-algorithm optimization component. *8th International Conference, LSSC 2011.* Sozopol, Bulgaria 06 Jun 2011 Springer.

Data warehousing based architecture for the reporting of the NHS primary care prescribing

Redzanovic, S., Chountas, P., Chaussalet, T.J., Fouladinejad, F., Tadjer, M. and Fouladinajed, F. 2011. Data warehousing based architecture for the reporting of the NHS primary care prescribing. in: Olive, M. and Solomonides, T. (ed.) Proceedings of CMBS: the 24th International Symposium on Computer-Based Medical Systems, June 27th – 30th, 2011, Bristol, United Kingdom IEEE .

Temporal conflict in workflow schemas

Chountas, P. and Petrounias, I. 2011. Temporal conflict in workflow schemas. *Journal of Computational Methods in Sciences and Engineering.* 11 (4), pp. 193-207.

An IFTr approach to approximate XML query matching

Alzebdi, M., Chountas, P. and Atanassov, K.T. 2011. An IFTr approach to approximate XML query matching. in: 2011 IEEE International Conference on Systems, Man, and Cybernetics (SMC) IEEE . pp. 2425-2430

Expressing hierarchical preferences in OLAP queries

Chountas, P., Rogova, E. and Atanassov, K.T. 2010. Expressing hierarchical preferences in OLAP queries. in: Kacprzyk, J., Petry, F.E. and Yazici, A. (ed.) Uncertainty approaches for spatial data modeling and processing Berlin Heidelberg Springer.

Enhancing DWH models with the utilisation of multiple hierarchical schemata

Alzebdi, M., Chountas, P. and Atanassov, K.T. 2010. Enhancing DWH models with the utilisation of multiple hierarchical schemata. in: Proceeding of the 2010 IEEE International Conference on Systems Man and Cybernetics (SMC), Istanbul, 10-13 Oct. 2010 IEEE . pp. 488-492

Enhancing OLAP querying with the aid of H-IFS

Chountas, P., Rogova, E. and Atanassov, K.T. 2009. Enhancing OLAP querying with the aid of H-IFS. *International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Logic and Technology Conference.* Lisbon, Portugal 20th - 24th July 2009 pp. 1797-1802

A decision support system for measuring and modelling the multi-phase nature of patient flow in hospitals

Vasilakis, C., El-Darzi, E. and Chountas, P. 2008. A decision support system for measuring and modelling the multi-phase nature of patient flow in hospitals. in: Chountas, P., Petrounias, I. and Kacprzyk, J. (ed.) Intelligent techniques and tools for novel system architectures Berlin Heidelberg Springer.

The notion of H-IFS in data modelling

Rogova, E., Chountas, P. and Atanassov, K.T. 2008. The notion of H-IFS in data modelling. in: IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2008) (IEEE World Congress on Computational Intelligence) IEEE . pp. 1399-1405

Representation of value imperfection with the aid of background knowledge: H-IFS

Kolev, B., Chountas, P., Rogova, E. and Atanassov, K.T. 2008. Representation of value imperfection with the aid of background knowledge: H-IFS. in: Chountas, P., Petrounias, I. and Kacprzyk, J. (ed.) Intelligent techniques and tools for novel system architectures Springer.

The notion of H-IFS -an approach for enhancing query capabilities in Oracle10g

Chountas, P., Rogova, E., Mohammed, S. and Atanassov, K.T. 2008. The notion of H-IFS -an approach for enhancing query capabilities in Oracle10g. in: Proceedings of the 4th International IEEE Conference on Intelligent Systems IS'08. Varna, Bulgaria, September, 6-8 2008 Los Alamitos, USA IEEE . pp. 569-574

Applying data mining algorithms to inpatient dataset with missing values

Liu, P., El-Darzi, E., Lei, L., Vasilakis, C., Chountas, P. and Huang, W. 2008. Applying data mining algorithms to inpatient dataset with missing values. *Journal of Enterprise Information Management.* 21 (1), pp. 81-92.

Generalized Net Model for Outpatient Care in Bulgaria

Tasseva, V., Peneva, D., Atanassov, K.T., El-Darzi, E., Chountas, P. and Vasilakis, C. 2007. Generalized Net Model for Outpatient Care in Bulgaria. in: Proc of Twentieth IEEE International Symposium on Computer-Based Medical Systems, 2007. CBMS '07. IEEE . pp. 701

Flexible hierarchies and fuzzy knowledge-based OLAP

Rogova, E., Chountas, P. and Atanassov, K.T. 2007. Flexible hierarchies and fuzzy knowledge-based OLAP. in: Proc. of Fourth International Conference on Fuzzy Systems and Knowledge Discovery, 2007. FSKD 2007. IEEE . pp. 7-11

On imprecision intuitionistic fuzzy sets & OLAP - the case for KNOLAP

Rogova, E. and Chountas, P. 2007. On imprecision intuitionistic fuzzy sets & OLAP - the case for KNOLAP. in: Castillo, O., Patricia Melin, B., Pedryczev, W. and Kacprzyk, J. (ed.) Theoretical Advances and Applications of Fuzzy Logic and Soft Computing Berlin and Heidelberg GmbH & Co. KG Springer. pp. 11-22

An OLAP-enabled software environment for modelling patient flow

Vasilakis, C., El-Darzi, E. and Chountas, P. 2006. An OLAP-enabled software environment for modelling patient flow. in: Proceedings of the 3rd International IEEE Conference on Intelligent Systems Los Alamitos, USA IEEE . pp. 261-266

Agent-based models for community care systems analysis and design

Huang, W., El-Darzi, E., Chountas, P. and Liu, P. 2006. Agent-based models for community care systems analysis and design. in: Proceedings of the 3rd IEEE International Conference on Intelligent Systems (IS-2006) Los Alamitos, USA IEEE . pp. 278-283

Generalized net model of an expert system with temporal components

Atanassov, K.T., Chountas, P., Kolev, B. and Sotirova, E. 2006. Generalized net model of an expert system with temporal components. *Advanced Studies in Contemporary Mathematics.* 12 (2), pp. 255-289.

Generalized net model with intuitionistic fuzzy estimations of the process of obtaining of scientific titles and degrees

Shannon, A., Riecan, B., Langova-Orozova, D., El-Darzi, E., Kerre, E., Sotirova, E., Gorunescu, F., Petrounias, I., Trelewicz, J., Atanassov, K.T., Krawczak, M., Chountas, P., Melo-Pinto, P., Georgiev, P., Kim, T. and Tasseva, V. 2005. Generalized net model with intuitionistic fuzzy estimations of the process of obtaining of scientific titles and degrees. *Notes on Intuitionistic Fuzzy Sets.* 11, pp. 95-114.

Intuitionistic fuzzy generalised nets in modelling web usage patterns indentification

Petrounias, I., Tseng, A., Chountas, P., El-Darzi, E. and Kodogiannis, V. 2005. Intuitionistic fuzzy generalised nets in modelling web usage patterns indentification. *Notes on Intuitionistic Fuzzy Sets.* 11 (4), pp. 123-129.

A feature selection procedure and its application in health care

Liu, P., El-Darzi, E., Vasilakis, C., Chountas, P., Huang, W. and Zhu, J. 2005. A feature selection procedure and its application in health care. *Craiova Medical Journal.*

An analysis of missing data treatment methods and their application to health care dataset

Liu, P., El-Darzi, E., Lei, L., Vasilakis, C., Chountas, P. and Huang, W. 2005. An analysis of missing data treatment methods and their application to health care dataset. in: Li, X., Wang, S. and Dong, Z.Y. (ed.) Advanced Data Mining and Applications: First International Conference, ADMA 2005, Wuhan, China, July 22-24, 2005: proceedings Berlin, Germany Springer.

An application of intuitionistic fuzzy relational databases in football match result predictions

Kolev, B., Chountas, P., Petrounias, I. and Kodogiannis, V. 2005. An application of intuitionistic fuzzy relational databases in football match result predictions. in: Reusch, B. (ed.) Computational intelligence, theory and applications: International Conference 8th Fuzzy Days in Dortmund, Germany, Sept. 29-Oct. 01, 2004, Proceedings Berlin, Germany Springer. pp. 281-289

Representing uncertainty and ignorance in probabilistic data using the intuitionistic fuzzy relational data model

Kolev, B., Chountas, P., Atanassov, K.T. and Petrounias, I. 2005. Representing uncertainty and ignorance in probabilistic data using the intuitionistic fuzzy relational data model. in: Atanassov, K.T., Kacprzyk, J., Krawczak, M. and Szmidt, E. (ed.) Issues in the representation and processing of uncertain and imprecise information Exit Academic Book Publishers. pp. 198-208

Identification of urinary tract infections using soft computing techniques

Kodogiannis, V., Wadge, E., Chountas, P. and Petrounias, I. 2005. Identification of urinary tract infections using soft computing techniques. *Journal of Computational Methods in Sciences and Engineering.* 5 (4), pp. 225-241.

Multi-lingual database querying and the atoms of language

Kapetanios, E. and Chountas, P. 2005. Multi-lingual database querying and the atoms of language. in: Montoyo, A., Munoz, R. and Metais, E. (ed.) Natural Language Processing and Information Systems: 10th International Conference on Applications of Natural Language to Information Systems, NLDB 2005, Alicante, Spain, June 15-17, 2005. Proceedings Berlin, Germany Springer.

MDDQL: an ontology driven, multi-lingual query language and system for an integrated view of heterogeneous data sources

Kapetanios, E. and Chountas, P. 2005. MDDQL: an ontology driven, multi-lingual query language and system for an integrated view of heterogeneous data sources. *Semantic Technology Conference 2005.* California, USA 07-10 Mar 2005

Representation of factual and temporal unawareness in electronic patient records

Chountas, P., Petrounias, I., El-Darzi, E. and Kodogiannis, V. 2005. Representation of factual and temporal unawareness in electronic patient records. *Journal of Computational Methods in Sciences and Engineering.* 5 (4), pp. 243-261.

On probability, null values, intuitionistic fuzzy, and value imperfection

Chountas, P., Kodogiannis, V., Petrounias, I., Kolev, B. and Atanassov, K.T. 2005. On probability, null values, intuitionistic fuzzy, and value imperfection. in: Simos, T.E. and Maroulis, G. (ed.) International Conference of Computational Methods in Sciences and Engineering 2004 (ICCMSE 2004) Leiden, The Netherlands VSP.

A data warehouse environment for storing and analyzing simulation output data

Vasilakis, C., El-Darzi, E. and Chountas, P. 2004. A data warehouse environment for storing and analyzing simulation output data. in: Ingalls, R.G., Rossetti, M.D., Smith, J.S. and Peters, B.A. (ed.) Proceedings of the 2004 Winter Simulation Conference USA IEEE .

Distimulus chromatic measurement systems

Tomtsis, D., Kodogiannis, V. and Chountas, P. 2004. Distimulus chromatic measurement systems. *WSEAS Transactions on Circuits and Systems.* 2 (3), pp. 211-214.

An intuitionistic fuzzy component based appoach for identifying web usage patterns

Petrounias, I., Tseng, A., Kolev, B., Chountas, P. and Kodogiannis, V. 2004. An intuitionistic fuzzy component based appoach for identifying web usage patterns. in: Yager, R.R. and Sgurev, V.S. (ed.) 2nd IEEE International Conference on Intelligent Systems, 22-24 Jun 2004, Varna, Bulgaria: proceedings USA IEEE .

Comparative analysis of data mining algorithms for predicting inpatient length of stay

Liu, P., El-Darzi, E., Vasilakis, C., Chountas, P., Huang, W. and Lei, L. 2004. Comparative analysis of data mining algorithms for predicting inpatient length of stay. *Pacific Asia Conference on Information Systems 2004.* Bangkok, Thailand 07-10 Jul 2005

On uncertainty and data-warehouse design

Chountas, P., Petrounias, I., Vasilakis, C., Tseng, A., El-Darzi, E., Atanassov, K.T. and Kodogiannis, V. 2004. On uncertainty and data-warehouse design. in: Yakhno, T. (ed.) Advances in Information Systems: Third International Conference, ADVIS 2004, Izmir, Turkey, October 20-22, 2004: proceedings Berlin, Germany Springer.

Temporality and intuitionistic fuzzy data warehouses

Chountas, P., Petrounias, I., Vasilakis, C., El-Darzi, E., Tseng, A., Kolev, B., Kodogiannis, V. and Georgiev, P. 2004. Temporality and intuitionistic fuzzy data warehouses. *Notes in Intuitionistic Fuzzy Sets.* 10 (4), pp. 47-55.

Temporality and intuitionistic fuzzy data warehouses

Chountas, P., Petrounias, I., Vasilakis, C. and El-Darzi, E. 2004. Temporality and intuitionistic fuzzy data warehouses. *Notes on Intuitionistic Fuzzy Sets.* 10 (4), pp. 47-55.

Representing and querying temporal workflow schemas

Chountas, P., Petrounias, I., Al-Roki, H. and Kodogiannis, V. 2004. Representing and querying temporal workflow schemas. in: Haav, H.M. (ed.) Fifth International Baltic Workshop on Databases and Information Systems: databases and information systems Institute of Cybernetics at Tallinn Technical University. pp. 155-166

Development of a clinical data warehouse

Chountas, P. and Kodogiannis, V. 2004. Development of a clinical data warehouse. in: Desai, B.C. (ed.) IDEAS Workshop on Medical Information Systems: the digital hospital USA IEEE . pp. 8-14

Data cube modelling and OLAP algebra for hospital length of stay analysis

Vasilakis, C., El-Darzi, E. and Chountas, P. 2003. Data cube modelling and OLAP algebra for hospital length of stay analysis. *Craiova Medicala Journal: Proceedings of The 1st MEDINF International Conference on Medical Informatics & Engineering.* 5 (3), pp. 509-512.

A complete framework for Web mining

Tseng, A., Petrounias, I. and Chountas, P. 2003. A complete framework for Web mining. in: IEEE International Conference on Systems, Man and Cybernetics, 2003 Los Alamitos, USA IEEE .

Representation and modelling of electronic patient records

Sivagurunathan, K., Chountas, P. and El-Darzi, E. 2003. Representation and modelling of electronic patient records. in: Proceedings of the International Conference of Computational Methods in Sciences and Engineering 2003 (ICCMSE 2003): Kastoria, Greece, September 12-16 New Jersey, USA World Scientific Publishing. pp. 598-603

Constraint based web mining

Petrounias, I., Tseng, A. and Chountas, P. 2003. Constraint based web mining. in: Simos, T.E. (ed.) Proceedings of the International Conference of Computational Methods in Sciences and Engineering 2003 (ICCMSE 2003): Kastoria, Greece, September 12-16 New Jersey, USA World Scientific Publishing. pp. 504-511

Intuitionistic fuzzy relational databases

Kolev, B. and Chountas, P. 2003. Intuitionistic fuzzy relational databases. *Notes on Intuitionistic Fuzzy Sets.* 9 (4), pp. 109-113.

Evolutionary computing techniques for diagnosis of urinary tract infections in vivo, using gas sensors

Kodogiannis, V., Pavlou, A.K., Chountas, P. and Turner, A.P.F. 2003. Evolutionary computing techniques for diagnosis of urinary tract infections in vivo, using gas sensors. in: Rutkowski, L. (ed.) Neural networks and soft computing: proceedings of the Sixth International Conference on Neural Networks and Soft Computing, Zakopane, Poland, June 11-15 Physica-Verlag.

Generalized net representing of fuzzy-timing high-level petri nets

Gochev, V. and Kodogiannis, V. 2003. Generalized net representing of fuzzy-timing high-level petri nets. in: Jardim-Goncalves, R., Cha, J. and Steiger-Garcao, A. (ed.) Concurrent engineering-the vision for the future generation in research and applications: proceedings of the 10th ISPE International Conference on Concurrent Engineering, Research and Applications, 26-30 July 2003, Madeira, Portugal Lisse, The Netherlands A.A. Balkema. pp. 1087-1090

Generalized net with partial batch token movement

Georgiev, P. and Chountas, P. 2003. Generalized net with partial batch token movement. in: Jardim-Goncalves, R., Cha, J. and Steiger-Garcao, A. (ed.) Concurrent engineering--the vision for the future generation in research and applications: proceedings of the 10th ISPE International Conference on Concurrent Engineering, Research and Applications, 26-30 July 2003 Lisse, Netherlands A.A. Balkema. pp. 1005-1008

Data warehouses-TOLAP-decision making

Chountas, P., Vasilakis, C., El-Darzi, E., Petrounias, I. and Tseng, A. 2003. Data warehouses-TOLAP-decision making. in: IEEE International Conference on Systems, Man and Cybernetics, 2003 USA IEEE .

Temporal modelling in flexible workflow based environments

Chountas, P., Petrounias, I. and Kodogiannis, V. 2003. Temporal modelling in flexible workflow based environments. in: Yazici, A. (ed.) Computer and information sciences, ISCIS 2003: 18th International Symposium Antalya, Turkey, November 3-5 Berlin, Germany Springer. pp. 123-130

IFGNs in analysing transaction database systems with continuous deadlock detection

Kolev, B., Petrounias, I. and Chountas, P. 2002. IFGNs in analysing transaction database systems with continuous deadlock detection. *Notes in Intuitionistic Fuzzy Sets.* 8 (3), pp. 95-100.

Intelligent diagnosis of urinary tract infections in vivo, using electronic noses

Kodogiannis, V., Pavlou, A.K., Chountas, P. and Turner, A.P.F. 2002. Intelligent diagnosis of urinary tract infections in vivo, using electronic noses. in: Hamza, M.H. (ed.) Proceedings of the IASTED International Conference, Signal Processing, Pattern Recognition, and Application, June 25-28, 2002, Crete, Greece Calgary, Canada Acta Press. pp. 155-160

Electronic nose: clinical diagnosis based on soft computing methodologies

Kodogiannis, V., Chountas, P., Pavlou, A.K., Petrounias, I., Chowdrey, H.S. and Temponi, C. 2002. Electronic nose: clinical diagnosis based on soft computing methodologies. in: Proceedings of the IEEE International Symposium Intelligent Systems: Methodology, Models, Applications in Emerging Technologies IS2002, 10-12 Sept.2002, Varna, Bulgaria USA IEEE .

Representation of temporal unawareness

Chountas, P., Petrounias, I., Atanassov, K.T., Kodogiannis, V. and El-Darzi, E. 2002. Representation of temporal unawareness. in: Yakhno, T. (ed.) Advances in Information Systems: Second International Conference, ADVIS 2002, Izmir, Turkey, October 23-25 London, UK Springer.

Representation and querying of temporal conflict

Chountas, P., Petrounias, I., Atanassov, K.T., Kodogiannis, V. and El-Darzi, E. 2002. Representation and querying of temporal conflict. in: Troels, A. (ed.) Flexible query answering systems: 5th International Conference, FQAS 2002, Copenhagen, Denmark, October 2002 London, UK Springer.

Representing and querying temporal workflow schemas

Chountas, P., Petrounias, I., Al-Roki, H. and Kodogiannis, V. 2002. Representing and querying temporal workflow schemas. *Notes in Intuitionistic Fuzzy Sets.* 8 (3), pp. 57-65.

Electronic nose: clinical diagnosis based on soft computing methodologies

Kodogiannis, V., Chountas, P., Pavlou, A.K. and Chowdrey, H.S. 2001. Electronic nose: clinical diagnosis based on soft computing methodologies. in: 2002 First International IEEE Symposium "Intelligent Systems" proceedings: September 10-12, 2002, St. Constantine and Helena resort, Varna, Bulgaria USA IEEE . pp. 254-259

Virtual integration of temporal and conflicting information

Chountas, P. and Petrounias, I. 2001. Virtual integration of temporal and conflicting information. in: 2001 International Database Engineering & Applications Symposium: proceedings: 16-18 July, 2001, Grenoble, France California, USA IEEE . pp. 243-248

Precise enterprises and imprecise data

Chountas, P. and Petrounias, I. 2001. Precise enterprises and imprecise data. in: Barzdins, J. and Caplinskas, A. (ed.) Databases and information systems: Fourth International Baltic Workshop, Baltic DB&IS 2000, Vilnius, Lithuania, May 1-5, 2000 London, UK Kluwer Academic Publishers. pp. 57-68

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