Announcement - OR54 - Forecasting-Data Mining Stream

Nikolopoulos K., Assimakopoulos V., Bougioukos N., A. Litsa, and Petropoulos F., (2011) “The Theta model:  An essential forecasting tool  For Supply Chain planning”, ICAR 2011 International Conference on Automation and Robotics, December 1-2 2011, Dubai, UAE.

Petropoulos F., Makridakis S. and Assimakopoulos V. (2011) "Analyzing Factors Affecting Forecasting Accuracy", The Operational Research Society Conference 2011 – OR53, September 6-8 2011, East Midlands Conference Centre, Nottingham, UK. Photos

Nikolopoulos K., Makridakis S., Assimakopoulos V. and Syntetos A. (2011)  "The M4 Competition", The Operational Research Society Conference 2011 – OR53, September 6-8 2011, East Midlands Conference Centre, Nottingham, UK. 

Constantinidou C., Petropoulos F. and Assimakopoulos V. (2011) "Neural Nets For Forecasting The Banking Sector", The Operational Research Society Conference 2011 – OR53, September 6-8 2011, East Midlands Conference Centre, Nottingham, UK. Photos

Nikitas M. and Assimakopoulos V. (2011) "Forecasting Sentiment Of Future Content", The Operational Research Society Conference 2011 – OR53, September 6-8 2011, East Midlands Conference Centre, Nottingham, UK. Photos

Litsa A., Nikolopoulos K. and Assimakopoulos V. (2011) "Information System For Digital Planning Policies", The Operational Research Society Conference 2011 – OR53, September 6-8 2011, East Midlands Conference Centre, Nottingham, UK.

Kastanoulia M. and Assimakopoulos V. (2011) "A Review Of Business Process Modeling", The Operational Research Society Conference 2011 – OR53, September 6-8 2011, East Midlands Conference Centre, Nottingham, UK.  Photos

Petropoulos F., Makridakis S. and Assimakopoulos V. (2011) "Factors Affecting Forecasting Accuracy", 31th Annual International Symposium on Forecasting - ISF 2011, June 26-29 2011, Prague, Check Republic.

Nikolopoulos K., Makridakis S., Assimakopoulos V. and Syntetos A. (2011)  "The M4 Competition: Facts, Innovations and the way Forward", 31th Annual International Symposium on Forecasting - ISF 2011, June 26-29 2011, Prague, Check Republic.

Constantinidou C., Petropoulos F. and Assimakopoulos V. (2011) "Forecasting Banking Failure with ANN", 31th Annual International Symposium on Forecasting - ISF 2011, June 26-29 2011, Prague, Check Republic.

Litsa A., Nikolopoulos K. and Assimakopoulos V. (2011) "A web-based Information System for supporting local government in policy implementation", 31th Annual International Symposium on Forecasting - ISF 2011, June 26-29 2011, Prague, Check Republic.

Kastanoulia M., Assimakopoulos V. and Nikolopoulos K. (2011) "Business process reengineering in public sector: forecasting its effectiveness through simulation", 31th Annual International Symposium on Forecasting - ISF 2011, June 26-29 2011, Prague, Check Republic.

Petropoulos F. and Assimakopoulos V. (2010) "A Forecasting Support System for Intermittent Demand", The Operational Research Society Conference 2010 – OR52, September 7-9 2010, Royal Holloway University, London, UK.  Photos

Konstantinidou C., Petropoulos F. and Assimakopoulos V. (2010) "Forecasting for banking sector", The Operational Research Society Conference 2010 – OR52, September 7-9 2010, Royal Holloway University, London, UK.  Photos

Nikitas M. and Assimakopoulos V. (2010) "Support forecasting by quantifying non-expert judgment through text mining on financial news", The Operational Research Society Conference 2010 – OR52, September 7-9 2010, Royal Holloway University, London, UK. Photos

Kastanoulia M. and Assimakopoulos V. (2010) "Forecasting the effectiveness of BPR in Local Government", The Operational Research Society Conference 2010 – OR52, September 7-9 2010, Royal Holloway University, London, UK. Photos

Litsa A. and Assimakopoulos V. (2010) "Forecasting the success of a new eco-friendly Policy", The Operational Research Society Conference 2010 – OR52, September 7-9 2010, Royal Holloway University, London, UK. Photos

Nikitas M., Petropoulos F. and Assimakopoulos V. (2010) "Analyzing student predictions on forecasting exam results", 30th Annual International Symposium on Forecasting ISF 2010, June 20-23 2010, San Diego, California, USA.

Petropoulos F., Nikolopoulos K. and Assimakopoulos V. (2010) "A Forecasting Support System for Intermittent Demand", 30th Annual International Symposium on Forecasting ISF 2010, June 20-23 2010, San Diego, California, USA.

Litsa A., Assimakopoulos V. and Nikolopoulos K. (2010) "Forecasting the success of digital planning policies through interaction groups and interviews with experts", 30th Annual International Symposium on Forecasting ISF 2010, June 20-23 2010, San Diego, California, USA.

Nikolopoulos K., Syntetos A.A., Boylan J.E., Petropoulos F. and Assimakopoulos V. (2009) "ADIDA: An Aggregate - Disaggregate Intermittent Demand Approach to Forecasting", The Operational Research Society Conference 2009 – OR51, September 8-10 2009, Warwick, UK.

Xidonas P., Petropoulos F., Mavrotas G., Ntanos C., Nikolopoulos K., Askounis D., Psarras J. and Assimakopoulos V. (2009) "An integrated quantitative framework for active equity portfolio engineering", 23rd European Conference on Operational Research EURO XXIII, July 5-8 2009, Bonn, Germany.

Nikolopoulos K., Syntetos A.A., Boylan J.E., Petropoulos F. and Assimakopoulos V. (2009) "ADIDA: An Aggregate - Disaggregate Intermittent Demand Approach to Forecasting", 29th Annual International Symposium on Forecasting ISF 2009, June 21-24 2009, Hong Kong.  Photos

Litsa A., Petra E., Nikolopoulos K. and Assimakopoulos V. (2009) "Judgmental Forecasting of the Impact of Digital Planning Policies", 29th Annual International Symposium on Forecasting ISF 2009, June 21-24 2009, Hong Kong. Photo

Nikolopoulos K., Syntetos A.A., Boylan J.E., Petropoulos F., Assimakopoulos V. (2008) "ADIDA: An aggregate/disaggregate approach for intermittent demand forecasting", 15th International Symposium on Inventories (ISIR 2008), August 22-26 2008, Budapest, Hungary.

Makridakis S., Assimakopoulos V., Bougioukos N., Nikolopoulos K., Petropoulos F., Pagourtzi E. (2008) “Pythia: an intelligent forecasting support system", 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

Litsa A. Nikolopoulos K. and Assimakopoulos V. (2008) “Forecasting the Impact of New Environmental Policies with a hybrid model combining Structured Analogies and Econometric forecasts”, 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

Petropoulos F., Nikolopoulos K. and Assimakopoulos V. (2008) “Theta-Croston and Croston-Theta: investigating new ideas for Intermittent Demand forecasting”, 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

Bougioukos N., Tsiafa E., Nikolopoulos K. and Assimakopoulos V. (2008) “ThetaAI: blending the theta model with Artificial Intelligence heuristics”, 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

Pagourtzi E., Assimakopoulos V., Litsa A. and Petropoulos F. (2008) "The advanced Forecasting Information System PYTHIA: an application in time series of mortgage loans in U.K.", Pacific Rim Real Estate Society Conference 2008, Proceedings, January 20-23 2008, Kuala Lumpur, Malaysia.

Assimakopoulos V., Makridakis S., Pagourtzi E., Petropoulos F., Bougioukos N., Nikolopoulos K. (2008) “PYTHIA - Complete System of Business Forecasting", SFHMMY Annual Conference, April 2008, Athens , Greece. Photos

Petropoulos F., Nikolopoulos K., Bougioukos N., Pagourtzi E. and Assimakopoulos, V. (2007) “On the Quest of a Batch-time-series Forecasting Benchmark", INFORMS Annual Conference, November 4-7 2007, Seattle, USA. Photo

Nikolopoulos K., Bougioukos N, Giannelos K. and Assimakopoulos A. "Estimating the impact of shocks with Artificial Neural Networks", ICANN 2007 International Conference on Artificial Neural Networks, September 9-13 2007, Porto, Portugal.

Petropoulos F., Nikolopoulos K., Assimakopoulos V., Pagourtzi E. and Bougioukos N. (2007) “Optimizing the Theta model for the T-Competition data”, 22nd European Conference on Operational Research EURO XXII, July 8-11 2007, Prague, Czech Republic.

Bougioukos N., Nikolopoulos K., Assimakopoulos V. (2007) “Combining the Theta Model with Artificial Inteligence”, 27th International Symposium on Forecasting ISF 2007, June 23-27 2007, New York, USA.

Nikolopoulos K., Bougioukos N., Yaffee R. A., Assimakopoulos, V. (2007) “Applying the Theta model to Epidemiological data: CDC Long-Term Study of Hantavirus Reservoir Populations in US”, 27th International Symposium on Forecasting ISF 2007, June 23-27 2007, New York, USA.

Pagourtzi E., Makridakis S., Assimakopoulos V. And Litsa A. (2007) "The advanced Forecasting Information System PYTHIA: an application in Real Estate time series", ERES 2007 - 14th Annual European Real Estate Society Conference, Proceedings, June 27-30 2007, City University, London, UK.

Pagourtzi E., Assimakopoulos V. and Litsa A. (2006) "Theta Model forecasts Real Estate values", ERES 2006 - 13th Annual European Real Estate Society Conference, Proceedings, June 7-10 2006, Bauhaus Universitat, Weimar, Germany.

Nikolopoulos K., Skylaki S., Skarogiannis E., Metaxiotis K. and Assimakopoulos V. (2005) "Forecasting repairable system failure data using time series models", 8th International Conference of the Decision Sciences Institute, Proceedings, pp.154-158, July 2-5 2005, Barcelona, Spain.

Nikolopoulos K. and Assimakopoulos V. (2005) "Theta model: decomposition approach or just SES with drift?", 25th International Symposium on Forecasting ISF 2005, June 12-15 2005, San Antonio, USA.

Skarogiannis E., Skylaki S., Nikolopoulos K. and Assimakopoulos V. (2005) "Extrapolating trends by hand", 25th International Symposium on Forecasting ISF 2005, June 12-15 2005, San Antonio, USA.

Pagourtzi E., Nikolopoulos K. and Assimakopoulos V. (2005) "A comparative study of Multiple Linear Regression versus Artificial Neural Networks for real estate valuation", ERES 2005 - 12th European Real Estate Society Conference, Proceedings, June 15-18 2005, Dublin, Ireland.

Petropoulos C. Nikolopoulos K., Patelis A., Assimakopoulos V. and Askounis D. (2005) "Tourism Technical Analysis System (TTAS): A case study on forecasting German outbound tourists", Theoretical Advances in Tourism Economics TATE2005, March 17-19 2005, Evora, Portugal.

Nikolopoulos K. and Assimakopoulos V. (2004) "Generalizing the Theta Model", International Symposium on Forecasting ISF 2004, July 4-7 2004, Sydney, Australia.

Pagourtzi E., Nikolopoulos K. and Assimakopoulos V. (2004) "Architecture for a real estate analysis information system using GIS techniques integrated with Fuzzy theory", ERES 2004 - 11th European Real Estate Society Conference, Proceedings, June 2-5 2004, Milan, Italy.

Tavanidou E., Nikolopoulos K., Metaxiotis K. and Assimakopoulos V. (2003) “FCP: Forecasting Community Portal”, 3rd WSEAS International Conference On Applied Informatics and Communications (AIC'03), November 15-17 2003, Rhodes Island, Greece.

Pagourtzi E., Nikolopoulos K. and Assimakopoulos V. (2003) "GFIS (Geographic Forecasting Information System): A case study in water resources management", 8th Conference on Environmental Science and Technology, September 8-10 2003, Lemnos, Greece.

Assimakopoulos V., Petropoulos C. and Nikolopoulos K. (2001) "Forecasting International Tourist Flows into Hungary", Millennium Conference, September 13-15 2001, Miskolc-Lilafured, Hungary.

Assimakopoulos V. and Nikolopoulos K. (2001) "Theta Intelligent Forecasting Information System", International Symposium on Forecasting ISF 2001, June 17-20 2001, Callaway Gardens, Atlanta Georgia, U.S.A.

Assimakopoulos V. (2000) "Extrapolation Principles", Member of the Panel, International Symposium on Forecasting ISF 2000, June 2000, Lisbon, Portugal.

Assimakopoulos V. (1999) "M3-Competition, Final Results", Member of the panel, International Symposium on Forecasting ISF 1999, June 1999, Washington, D.C., USA.

Assimakopoulos V. and Nikolopoulos K. (1999) "The Theta Model", Decision Sciences Institute, 5th International Conference, July 1999, Athens, Greece.

Assimakopoulos V. and Mourgos P. (1997) "FORETELER : A System for Forecasting television Ratings", International Symposium on Forecasting ISF 1997, June 1997, Barbados.

Assimakopoulos V. and Mourgos P. (1996) “Development of non-linear smoothing techniques”, International Symposium on Forecasting ISF 1996, June 1996, Instanbul, Turkey.

Assimakopoulos V. and Linardorpoulos J. (1996) “Forecasting Tourism Demand: A model for competing destinations”, International Symposium on Forecasting ISF 1996, June 1996, Instanbul, Turkey.

Assimakopoulos V. and Mourgos P. (1995) “A Hybrid Forecasting Approach”, International Symposium on Forecasting ISF 1995, June 1995, Toronto, Canada.

Assimakopoulos V. and Linardopoulos J. (1994) “Qualitative Features and Method Selection”, International Symposium on Forecasting ISF 1994, June 1994, Stockholm, Sweeden.

Assimakopoulos V., Linardopoulos J, and Mentzas G. (1994) “IFIS : An Intelligent Forecasting Information System”, International Symposium on Forecasting ISF 1994, June 1994, Stockholm, Sweeden.

Assimakopoulos V. (1994) “Development of Nonlinear Smoothing Algorithms and Application on Yearly Time-series”, TIMS - ORSA, April 1994, Boston, USA.

Christodoulou N., Stefanitsis E. and Assimakopoulos V. (1994) “Constraint Logic Programming Approach to the Vehicle - Fleet Shceduling Problem”, Practical Application of Prolog, International Conference, April 1994, London, UK.

Assimakopoulos V. (1993) “ A technique for isolating changes in long term trends”, International Symposium on Forecasting ISF 1993, June 1993, Pittsburg, Pennsylvania, USA.

Assimakopoulos V. and Konida A. (1993) “Potential ways of introducing AI techniques into forecasting systems”, International Symposium on Forecasting ISF 1993, June 1993, Pittsburg, Pennsylvania, USA.

Mitropoulos S., Assimakopoulos V., Samouilidis J.-E. (1993) “GLAS: A PC Based software tool for Load Analysis”, Athens Power Tech, IEEE/PES Conference 1993.

Assimakopoulos V. (1992) "A Knowledge-Based Approach to Budgeting", Workshop on Economis Policy Co-ordination, January 14-16 1992, Bank of Finland , Helsinki.

Vlontakis G. and Assimakopoulos V. (1991) "A Knowledge Bases Approach to Financial Planning", International Symposium of Economic Modelling, July 9-11 1991, University of London, UK.

Assimakopoulos V. (1991) "An Object Oriented Approach to Rule-Based Forecasting", International Symposium of Forecasting ISF 1991, June 9-12 1991, New York, USA.

Assimakopoulos V. and Christodoulou N. (1991) "A Computerised Environment for Macroscopic Analysis and Evaluation of the Road Safety Process", Proceedings of the Drive Conference, February 4-6 1991, Brussels, Belgium.

Assimakopoulos V. and Domenikos H. G. (1990) "Consumption Preferences Structure of Greek Households", International Symposium of Economic Modelling, July 23-25 1990, University of Urbino, Italy.

Mentzas G., Assimakopoulos V., Goumas Th., Capros P., Samouilidis J.-E. (1987) "An integrated Framework for Energy-Economy Planning The Modelling System", Proceedings of the MELECON '87, 34th Congress on Electronics Joint Conference, March 24-26 1987, Rome, Italy.

Vlondakis G., Assimakopoulos V., Capros P. and Samouilidis J.-E. (1986) "Analysis of the Residential Energy Behaviour with Multivariate Statistical Techniques", EURO VIII Congress, September 16-19 1986, Lisboa, Portugal.

Assimakopoulos V., Capros P., Samouilidis J.-E. (1986) "A New Modelling Approach for Forecasting the Residential Energy Demand", EURO VIII Congress, September 16-19 1986, Lisboa, Portugal.

Mentzas G., Assimakopoulos V., Goumas Th., Capros P. and Samouilidis J.-E. (1986) " An Integrated Framework for Regional Energy-Economy Planning", Proceeding of the 25th IEEE Conference on Decision and Control, December 10-12 1986, Athens, Greece.

Assimakopoulos V., Samouilidis J.-E. (1984) "An Evaluation of Energy Demand in Industry and Transport in Greece", Proceeding of the AMSE' 84, Modelling and Simulation.