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Displaying 1-25 out of 25 total
Agent-Based Small-Scale Energy Consumer Models for Energy Portfolio Management
Found in: 2013 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT)
By Antonios Chrysopoulos,Christos Diou,Andreas L. Symeonidis,Pericles A. Mitkas
Issue Date:November 2013
pp. 94-101
In contemporary power systems, residential consumers may account for up to 50% of a country's total electrical energy consumption. Even though they constitute a significant portion of the energy market, not much has been achieved towards eliminating the in...
 
Redefining the Market Power of Small-Scale Electricity Consumers through Consumer Social Networks
Found in: 2013 IEEE 10th International Conference on e-Business Engineering (ICEBE)
By Kyriakos C. Chatzidimitriou,Kostantinos N. Vavliakis,Andreas L. Symeonidis,Pericles A. Mitkas
Issue Date:September 2013
pp. 25-31
Energy markets have undergone important changes at the conceptual level over the last years. Decentralized supply, small-scale production and smart grid optimization and control are the new building blocks. These changes offer substantial opportunities for...
 
A Zeroth-Level Classifier System for Real Time Strategy Games
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Michalis T. Tsapanos,Kyriakos C. Chatzidimitriou,Pericles A. Mitkas
Issue Date:August 2011
pp. 244-247
Real Time Strategy games (RTS) provide an interesting test bed for agents that use Reinforcement Learning (RL) algorithms. From an agent's point of view, RTS games constitute a Markovian, partially observable and dynamic environment with a huge state space...
 
Towards Understanding How Personality, Motivation, and Events Trigger Web User Activity
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Konstantinos N. Vavliakis, Andreas L. Symeonidis, Pericles A. Mitkas
Issue Date:September 2010
pp. 615-618
Web 2.0 provided internet users with a dynamic medium, where information is updated continuously and anyone can participate. Though preliminary analysis exists, there is still little understanding on what exactly stimulates users to actively participate, c...
 
Monitoring Agent Communication in Soft Real-Time Environments
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Andreas L. Symeonidis, Pericles A. Mitkas
Issue Date:September 2010
pp. 265-268
Real-time systems can be defined as systems operating under specific timing constraints, either hard or soft ones. In principle, agent systems are considered inappropriate for such kinds of systems, due to the asynchronous nature of their communication pro...
 
Multi Level Clustering of Phylogenetic Profiles
Found in: Bioinformatic and Bioengineering, IEEE International Symposium on
By Fotis E. Psomopoulos, Pericles A. Mitkas
Issue Date:June 2010
pp. 308-309
The prediction of gene function from genome sequences is one of the main issues in Bioinformatics. Most computational approaches are based on the similarity between sequences to infer gene function. However, the availability of several fully sequenced geno...
 
db4OWL: An Alternative Approach to Organizing and Storing Semantic Data
Found in: IEEE Internet Computing
By Alexandros Batzios, Pericles A. Mitkas
Issue Date:November 2009
pp. 48-55
The complex structure of semantic data still poses a challenge in storing, querying, and organizing Web information. Although researchers have proposed various semantic database system approaches over the years, it seems that most systems have tried to pro...
 
Software Agents in Multiple Adaptive Double Auction Markets
Found in: Informatics, Panhellenic Conference on
By Lampros C. Stavrogiannis, Pericles A. Mitkas
Issue Date:September 2009
pp. 48-52
The prevalence of on-line auctions has stimulated the interest of both the economists and computer scientists in an effort to understand and improve their rules. One famous form of these economic mechanisms is the double auction and, more specifically, the...
 
Agent Mining: The Synergy of Agents and Data Mining
Found in: IEEE Intelligent Systems
By Longbing Cao, Vladimir Gorodetsky, Pericles A. Mitkas
Issue Date:May 2009
pp. 64-72
Autonomous agents and multiagent systems (or agents) and data mining and knowledge discovery (or data mining) are two of the most active areas in information technology. Ongoing research has revealed a number of intrinsic challenges and problems facing eac...
 
Guest Editors' Introduction: Agents and Data Mining
Found in: IEEE Intelligent Systems
By Longbing Cao, Vladimir Gorodetsky, Pericles A. Mitkas
Issue Date:May 2009
pp. 14-15
On top of two active research streams, agents and data mining, a most recent and exciting trend is their interaction and integration. Agent mining has emerged as a very promising field due to its unique contributions to complementary and innovative methodo...
 
ZCS Revisited: Zeroth-Level Classifier Systems for Data Mining
Found in: Data Mining Workshops, International Conference on
By Fani A. Tzima, Pericles A. Mitkas
Issue Date:December 2008
pp. 700-709
Learning classifier systems (LCS) are machine learning systems designed to work for both multi-step and single-step decision tasks. The latter case presents an interesting,though not widely studied, challenge for such algorithms,especially when they are ap...
 
Data Mining-Driven Analysis and Decomposition in Agent Supply Chain Management Networks
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Kyriakos C. Chatzidimitriou, Andreas L. Symeonidis, Pericles A. Mitkas
Issue Date:December 2008
pp. 558-561
In complex and dynamic environments where interdependencies cannot monotonously determine causality, data mining techniques may be employed in order to analyze the problem, extract key features and identify pivotal factors. Typical cases of such complexity...
 
Constructing Optimal Fuzzy Metric Trees for Agent Performance Evaluation
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Christos Dimou, Manolis Falelakis, Andreas L. Symeonidis, Anastasios Delopoulos, Pericles A. Mitkas
Issue Date:December 2008
pp. 336-339
The field of multi-agent systems has reached a significant degree of maturity with respect to frameworks, standards and infrastructures. Focus is now shifted to performance evaluation of real-world applications, in order to quantify the practical benefits ...
 
Efficient E-Commerce Agent Design Based on Clustering eBay Data
Found in: Web Intelligence and Intelligent Agent Technology, International Conference on
By Dionisis D. Kehagias, Pericles A. Mitkas
Issue Date:November 2007
pp. 495-498
In this paper we present the use of data mining techniques on data derived from eBay auctions in order to design a decision making mechanism for autonomous agents. These agents operate as parallel threads that concurrently receive data from multiple online...
 
Eikonomia-An Integrated Semantically Aware Tool for Description and Retrieval of Byzantine Art Information
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Konstantinos N. Vavliakis, Andreas L. Symeonidis, Georgios T. Karagiannis, Pericles A. Mitkas
Issue Date:October 2007
pp. 279-282
Semantic annotation and querying is currently applied on a number of versatile disciplines, providing the added- value of such an approach and, consequently the need for more elaborate ? either case-specific or generic ? tools. In this context, we have dev...
 
A Multi-Agent Simulation Framework for Spiders Traversing the Semantic Web
Found in: Web Intelligence, IEEE / WIC / ACM International Conference on
By Christos Dimou, Alexandros Batzios, Andreas L. Symeonidis, Pericles A. Mitkas
Issue Date:December 2006
pp. 736-739
Although search engines traditionally use spiders for traversing and indexing the web, there has not yet been any methodological attempt to model, deploy and test learning spiders. The flourishing of the Semantic Web provides un- derstandable information t...
 
Exploiting Data Mining Techniques for Improving the Efficiency of a Supply Chain Management Agent
Found in: Web Intelligence and Intelligent Agent Technology, International Conference on
By Andreas L. Symeonidis, Vivia Nikolaidou, Pericles A. Mitkas
Issue Date:December 2006
pp. 23-26
Supply Chain Management (SCM) environments are often dynamic markets providing a plethora of information, either complete or incomplete. It is, therefore, evident that such environments demand intelligent solutions, which can perceive variations and act in...
 
Adaptive pricing functions for open outcry auctions
Found in: Intelligent Agent Technology, IEEE / WIC / ACM International Conference on
By Dionisis Kehagias, Pericles A. Mitkas
Issue Date:September 2005
pp. 653-656
<p>In agent-mediated marketplaces, autonomous agents deploy automated bidding mechanisms in order to increase revenue for humans. The ability of agents to estimate the next prices to be revealed in an auction, by applying forecasting, is a key elemen...
 
Social Influence and Water Conservation: An Agent-Based Approach
Found in: Computing in Science and Engineering
By Ioannis N. Athanasiadis, Pericles A. Mitkas
Issue Date:January 2005
pp. 65-70
Every day, consumers are exposed to advertising campaigns that attempt to influence their decisions and affect their behavior. Word-of-mouth communication—he informal channels of daily interactions among friends, relatives, coworkers, neighbors, and acquai...
 
Fast and Efficient Searching of Multimedia Databases Using Holographic Memory
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By P. Bruce Berra, Pericles A. Mitkas, Shengluan Zhong
Issue Date:November 1999
pp. 365
With the ever-expanding size of multimedia databases it is important to seek new technologies that improve the performance of systems that manage these databases. One such technology is holographic memory which has some very interesting attributes such as ...
 
Optics: A Maturing Technology for Better Computing
Found in: Computer
By Leo J. Irakliotis, Pericles A. Mitkas
Issue Date:February 1998
pp. 36-37
<p>This issue presents a tutorial introduction to the field of optical information processing, in particular, digital optical computing. We present current trends in optical computing research, in the hopes of a closer interaction with the broader co...
 
Optical Processing Paradigms for Electronic Computers
Found in: Computer
By Pericles A. Mitkas, George A. Betzos, Leo J. Irakliotis
Issue Date:February 1998
pp. 45-51
<p>Used as special-purpose architectures, optical or optoelectronic processing systems can enhance the performance of electronic computers.</p>
 
A correlation analysis of web social media
Found in: Proceedings of the International Conference on Web Intelligence, Mining and Semantics (WIMS '11)
By Konstantina Gemenetzi, Konstantinos N. Vavliakis, Pericles A. Mitkas
Issue Date:May 2011
pp. 1-5
In this paper we analyze and compare three popular content creation and sharing websites, namely Panoramio, YouTube and Epinions. This analysis aims in advancing our understanding of Web Social Media and their impact, and may be useful in creating feedback...
     
An agent structure for evaluating micro-level MAS performance
Found in: Proceedings of the 2007 Workshop on Performance Metrics for Intelligent Systems (PerMIS '07)
By Andreas L. Symeonidis, Christos Dimou, Pericles A. Mitkas
Issue Date:August 2007
pp. 229-236
Although the need for well-established engineering approaches in Intelligent Systems (IS) performance evaluation is urging, currently no widely accepted methodology exists, mainly due to lack of consensus on relevant definitions and scope of applicability,...
     
Mertacor: a successful autonomous trading agent
Found in: Proceedings of the fifth international joint conference on Autonomous agents and multiagent systems (AAMAS '06)
By Dionisis Kehagias, Panos Toulis, Pericles A. Mitkas
Issue Date:May 2006
pp. 1191-1198
In this paper we present the internal architecture and bidding mechanisms designed for Mertacor, a successful trading agent, which ended up first in the Classic Trading Agent Competition (TAC) of 2005. TAC provides a realistic benchmarking environment in w...
     
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