Dimitris Vrakas

Publication Activity (10 Years)

Years Active: 2001-2023
Publications (10 Years): 30

Top Topics

Machine Learning Approaches

Ambient Intelligence

Top Venues

Publications

Georgios Kamtziridis, Dimitris Vrakas, Grigorios Tsoumakas
Does Noise Affect Housing Prices? A Case Study in the Urban Area of Thessaloniki. CoRR (2023)
Nikolaos Virtsionis Gkalinikis, Christoforos Nalmpantis, Dimitris Vrakas
SAED: self-attentive energy disaggregation. Mach. Learn. 112 (11) (2023)
Nikolaos Virtsionis Gkalinikis, Christoforos Nalmpantis, Dimitris Vrakas
Variational Regression for Multi-Target Energy Disaggregation. Sensors 23 (4) (2023)
Georgios Kamtziridis, Dimitris Vrakas, Grigorios Tsoumakas
Does noise affect housing prices? A case study in the urban area of Thessaloniki. EPJ Data Sci. 12 (1) (2023)
Athanasios Lentzas, Dimitris Vrakas
Machine Learning Approaches for Non-Intrusive Home Absence Detection Based on Appliance Electrical Use. CoRR (2022)
Athanasios Lentzas, Dimitris Vrakas
Machine learning approaches for non-intrusive home absence detection based on appliance electrical use. Expert Syst. Appl. 210 (2022)
Athanasios Lentzas, Eleana Dalagdi, Dimitris Vrakas
Multilabel Classification Methods for Human Activity Recognition: A Comparison of Algorithms. Sensors 22 (6) (2022)
Alexandros Vassiliades, Nick Bassiliades, Theodore Patkos, Dimitris Vrakas
An Open-Ended Web Knowledge Retrieval Framework for the Household Domain With Explanation and Learning Through Argumentation. Int. J. Semantic Web Inf. Syst. 18 (1) (2022)
Stavros Mischos, Eleana Dalagdi, Dimitris Vrakas
Intelligent Energy Management Systems - A Review. CoRR (2022)
Christoforos Nalmpantis, Nikolaos Virtsionis Gkalinikis, Dimitris Vrakas
Neural Fourier Energy Disaggregation. Sensors 22 (2) (2022)
Christoforos Nalmpantis, Lazaros Vrysis, Danai Vlachava, Lefteris Papageorgiou, Dimitris Vrakas
Noise invariant feature pooling for the internet of audio things. Multim. Tools Appl. 81 (22) (2022)
Christoforos Nalmpantis, Lazaros Vrysis, Danai Vlachava, Lefteris Papageorgiou, Dimitris Vrakas
Entropy Based Feature Pooling in Speech Command Classification. SAI (3) (2021)
Athanasios Lentzas, Dimitris Vrakas
From Robot Self-Localization to Global-Localization: An RSSI Based Approach. CoRR (2021)
Christoforos Nalmpantis, Dimitris Vrakas
On time series representations for multi-label NILM. Neural Comput. Appl. 32 (23) (2020)
Nikolaos Virtsionis Gkalinikis, Christoforos Nalmpantis, Dimitris Vrakas
Attention in Recurrent Neural Networks for Energy Disaggregation. DS (2020)
Athanasios Lentzas, Dimitris Vrakas
Non-intrusive human activity recognition and abnormal behavior detection on elderly people: a review. Artif. Intell. Rev. 53 (3) (2020)
Athanasios Lentzas, Dimitris Vrakas
LadyBug. An Intensity based Localization Bug Algorithm. ETFA (2020)
Christoforos Nalmpantis, Athanasios Lentzas, Dimitris Vrakas
A Theoretical Analysis of Pooling Operation Using Information Theory. ICTAI (2019)
Christoforos Nalmpantis, Dimitris Vrakas
Machine learning approaches for non-intrusive load monitoring: from qualitative to quantitative comparation. Artif. Intell. Rev. 52 (1) (2019)
Nikolaos Symeonidis, Christoforos Nalmpantis, Dimitris Vrakas
A Benchmark Framework to Evaluate Energy Disaggregation Solutions. EANN (2019)
Christoforos Nalmpantis, Dimitris Vrakas
Signal2Vec: Time Series Embedding Representation. EANN (2019)
Lamprini Kyrkou, Christoforos Nalmpantis, Dimitris Vrakas
Imaging Time-Series for NILM. EANN (2019)
Athanasios Lentzas, Christoforos Nalmpantis, Dimitris Vrakas
Hyperparameter Tuning using Quantum Genetic Algorithms. ICTAI (2019)
Odysseas Krystalakos, Christoforos Nalmpantis, Dimitris Vrakas
Sliding Window Approach for Online Energy Disaggregation Using Artificial Neural Networks. SETN (2018)
Christoforos Nalmpantis, Odysseas Krystalakos, Dimitris Vrakas
Energy profile representation in vector space. SETN (2018)
Manolis Koubarakis, George A. Vouros, Georgios Chalkiadakis, Vassilis P. Plagianakos, Christos Tjortjis, Ergina Kavallieratou, Dimitris Vrakas, Nikolaos Mavridis, Georgios Petasis, Konstantinos Blekas, Anastasia Krithara
AI in Greece: The Case of Research on Linked Geospa al Data. AI Mag. 39 (2) (2018)
Antonis Bikakis, Nick Bassiliades, Dimitris Vrakas
Preface. Int. J. Artif. Intell. Tools 27 (4) (2018)
Moses Symeonidis, Dimitris Giouroukis, Dimitris Vrakas
A planning problem validator based on reachability analysis. SETN (2016)
Thanos G. Stavropoulos, George Koutitas, Dimitris Vrakas, Efstratios Kontopoulos, Ioannis P. Vlahavas
A smart university platform for building energy monitoring and savings. J. Ambient Intell. Smart Environ. 8 (3) (2016)
Thanos G. Stavropoulos, Stelios Andreadis, Nick Bassiliades, Dimitris Vrakas, Ioannis P. Vlahavas
The Tomaco Hybrid Matching Framework for SAWSDL Semantic Web Services. IEEE Trans. Serv. Comput. 9 (6) (2016)
Ourania Hatzi, Mara Nikolaidou, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas
Semantically Aware Web Service Composition Through AI Planning. Int. J. Artif. Intell. Tools 24 (1) (2015)
Thanos G. Stavropoulos, Efstratios Kontopoulos, Nick Bassiliades, John Argyriou, Antonis Bikakis, Dimitris Vrakas, Ioannis P. Vlahavas
Rule-based approaches for energy savings in an ambient intelligence environment. Pervasive Mob. Comput. 19 (2015)
Thanos G. Stavropoulos, Stelios Andreadis, Nick Bassiliades, Dimitris Vrakas, Ioannis P. Vlahavas
The Tomaco Hybrid Matching Framework for SAWSDL Semantic Web Services. CoRR (2014)
Nikos P. Kotsiopoulos, Dimitris Vrakas
Policies Production System for Ambient Intelligence Environments. SETN (2014)
Thanos G. Stavropoulos, Konstantinos Gottis, Dimitris Vrakas, Ioannis P. Vlahavas
aWESoME: A web service middleware for ambient intelligence. Expert Syst. Appl. 40 (11) (2013)
Ourania Hatzi, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas
The PORSCE II framework: using AI planning for automated Semantic Web service composition. Knowl. Eng. Rev. 28 (2) (2013)
Thanos G. Stavropoulos, Dimitris Vrakas, Ioannis P. Vlahavas
Iridescent: a tool for rapid semantic annotation of web service descriptions. WIMS (2013)
Thanos G. Stavropoulos, Dimitris Vrakas, Ioannis P. Vlahavas
A survey of service composition in ambient intelligence environments. Artif. Intell. Rev. 40 (3) (2013)
Thanos G. Stavropoulos, Dimitris Vrakas, Danai Vlachava, Nick Bassiliades
BOnSAI: a smart building ontology for ambient intelligence. WIMS (2012)
Georgios Meditskos, Nick Bassiliades, Dimitris Vrakas, Ioannis P. Vlahavas
IRISPortal: a semantic portal for industrial risk cases management. WIMS (2012)
Ourania Hatzi, Dimitris Vrakas, Mara Nikolaidou, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas
An Integrated Approach to Automated Semantic Web Service Composition through Planning. IEEE Trans. Serv. Comput. 5 (3) (2012)
Eva Ziaka, Dimitris Vrakas, Nick Bassiliades
Translating Web Services Composition Plans to OWL-S Descriptions. ICAART (1) (2011)
Thanos G. Stavropoulos, Dimitris Vrakas, Alexandros Arvanitidis, Ioannis P. Vlahavas
A System for Energy Savings in an Ambient Intelligence Environment. ICT-GLOW (2011)
Vasilios Katos, Dimitris Vrakas, Panagiotis Katsaros
A Framework for Access Control with Inference Constraints. COMPSAC (2011)
Eva Ziaka, Dimitris Vrakas, Nick Bassiliades
Web Service Composition Plans in OWL-S. ICAART (Revised Selected Papers) (2011)
Thanos G. Stavropoulos, Ageliki Tsioliaridou, George Koutitas, Dimitris Vrakas, Ioannis P. Vlahavas
System Architecture for a Smart University Building. ICANN (3) (2010)
Ourania Hatzi, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas
A visual programming system for automated problem solving. Expert Syst. Appl. 37 (6) (2010)
Ourania Hatzi, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas
Semantic Awareness in Automated Web Service Composition through Planning. SETN (2010)
Ourania Hatzi, Georgios Meditskos, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas
Semantic Web Service Composition Using Planning and Ontology Concept Relevance. Web Intelligence (2009)
Ourania Hatzi, Georgios Meditskos, Dimitris Vrakas, Nick Bassiliades, Dimosthenis Anagnostopoulos, Ioannis P. Vlahavas
A Synergy of Planning and Ontology Concept Ranking for Semantic Web Service Composition. IBERAMIA (2008)
Efstratios Kontopoulos, Dimitris Vrakas, Fotis Kokkoras, Nick Bassiliades, Ioannis P. Vlahavas
An ontology-based planning system for e-course generation. Expert Syst. Appl. 35 (1-2) (2008)
Dimitris Vrakas, Fotis Kokkoras, Nick Bassiliades, Ioannis P. Vlahavas
Towards Automatic Synthesis of Educational Resources Through Automated Planning. SETN (2006)
Dimitris Vrakas, Ioannis P. Vlahavas
A Visualization Environment for Planning. Int. J. Artif. Intell. Tools 14 (6) (2005)
Dimitris Vrakas, Grigorios Tsoumakas, Nick Bassiliades, Ioannis P. Vlahavas
HAPRC: an automatically configurable planning system. AI Commun. 18 (1) (2005)
Dimitris Vrakas, Ioannis P. Vlahavas
Hybrid ACE: Combining Search Directions for Heuristic Planning. Comput. Intell. 21 (3) (2005)
Grigorios Tsoumakas, Dimitris Vrakas, Nick Bassiliades, Ioannis P. Vlahavas
Lazy Adaptive Multicriteria Planning. ECAI (2004)
Grigorios Tsoumakas, Dimitris Vrakas, Nick Bassiliades, Ioannis P. Vlahavas
Using the k-Nearest Problems for Adaptive Multicriteria Planning. SETN (2004)
Dimitris Vrakas, Grigorios Tsoumakas, Nick Bassiliades, Ioannis P. Vlahavas
Learning Rules for Adaptive Planning. ICAPS (2003)
Dimitris Vrakas, Ioannis P. Vlahavas
A Heuristic for Planning Based on Action Evaluation. AIMSA (2002)
Dimitris Vrakas, Ioannis Refanidis, Ioannis P. Vlahavas
Parallel planning via the distribution of operators. J. Exp. Theor. Artif. Intell. 13 (3) (2001)