Essay on Volatility Clusters and Time Series Prediction Urumov, G. and Chountas, P. 2022. Essay on Volatility Clusters and Time Series Prediction. 2022 IEEE 11th International Conference on Intelligent Systems (IS). Warsaw, Poland 12 - 14 Oct 2022 IEEE . https://doi.org/10.1109/is57118.2022.10019619
2017
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. https://doi.org/10.1007/978-3-319-59692-1_24
2017
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. https://doi.org/10.1007/978-3-319-59692-1_19
2016
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 . https://doi.org/10.1109/IS.2016.7737480
2015
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. https://doi.org/10.1007/978-3-319-26154-6_36
2014
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. https://doi.org/10.1007/978-3-319-11310-4_72
2013
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. https://doi.org/10.1007/978-3-642-40769-7_28
2012
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 . https://doi.org/10.1109/IS.2012.6335216
2011
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. https://doi.org/10.1007/978-3-642-29843-1_21
2011
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. https://doi.org/10.1007/978-3-642-24764-4_27
2009
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
Clustering stock price volatility using intuitionistic fuzzy sets Urumov, G. and Chountas, P. 2022. Clustering stock price volatility using intuitionistic fuzzy sets . Notes on Intuitionistic Fuzzy Sets. 28 (3), pp. 343-352. https://doi.org/10.7546/nifs.2022.28.3.343-352
2019
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. pp. 1-11
2011
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 .
2011
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
2010
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.
2010
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
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
2008
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.
2008
An intelligent decision support system in wireless-capsule endoscopy Kodogiannis, V., Lygouras, J.N. and Pachidis, T. 2008. An intelligent decision support system in wireless-capsule endoscopy. in: Chountas, P., Petrounias, I. and Kacprzyk, J. (ed.) Intelligent techniques and tools for novel system architectures Springer. pp. 259-275
2008
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
2007
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
2007
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
2007
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
2006
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
2006
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
2005
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.
2005
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
2005
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
2005
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.
2005
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.
2004
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 .
2004
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 .
2004
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.
2004
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
2004
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
2003
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 .
2003
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
2003
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
2003
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.
2003
A Generalized net, representing the functioning and the results of the work of Fuzzy Petri Nets 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
2003
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
2003
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 .
2003
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
2002
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
2002
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 .
2002
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.
2002
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.
2001
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
2001
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
2001
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
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. https://doi.org/10.3233/JCM-2011-0365
2008
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. https://doi.org/10.1108/17410390810842273
2006
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.
2005
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.
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.
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.
2004
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.
2004
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.
2003
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.
2003
Intuitionistic fuzzy relational databases Kolev, B. and Chountas, P. 2003. Intuitionistic fuzzy relational databases. Notes on Intuitionistic Fuzzy Sets. 9 (4), pp. 109-113.
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.
Usage Statistics
9351 total views of outputs
3401 total downloads of outputs
These values cover views and downloads from WestminsterResearch and are for the period from September 2nd 2018, when this repository was created.