Spyros C. Kontogiannis

Publication Activity (10 Years)

Years Active: 1997-2023
Publications (10 Years): 21

Top Topics

Data Parallelism

Urban Environments

Repetitive Structures

Top Venues

Publications

Spyros C. Kontogiannis, Andreas Paraskevopoulos, Meletis Pogkas, Christos D. Zaroliagis
i-Deliver P&D Engine: A Decentralized Middleware for a Delivery-as-a-Service System. ALGOCLOUD (2023)
Spyros C. Kontogiannis, Paraskevi-Maria-Malevi Machaira, Andreas Paraskevopoulos, Konstantinos Raftopoulos, Christos D. Zaroliagis
Cloud-Based Urban Mobility Services. ALGOCLOUD (2022)
Spyros C. Kontogiannis, Paraskevi-Maria-Malevi Machaira, Andreas Paraskevopoulos, Christos D. Zaroliagis
REX: A Realistic Time-Dependent Model for Multimodal Public Transport. ATMOS (2022)
Spyros C. Kontogiannis, Dorothea Wagner, Christos D. Zaroliagis
An Axiomatic Approach to Time-Dependent Shortest Path Oracles. Algorithmica 84 (3) (2022)
Anastasia-Maria Kampyli, Spyros C. Kontogiannis, Damianos Kypriadis, Christos D. Zaroliagis
Incentivizing Truthfulness in Crowdsourced Parking Ecosystems. ISC2 (2021)
Spyros C. Kontogiannis, Andreas Paraskevopoulos, Christos D. Zaroliagis
Time-Dependent Alternative Route Planning: Theory and Practice. Algorithms 14 (8) (2021)
Spyros C. Kontogiannis, Andreas Paraskevopoulos, Christos D. Zaroliagis
Time-Dependent Alternative Route Planning. ATMOS (2020)
Spyros C. Kontogiannis, Anastasios Papadopoulos, Andreas Paraskevopoulos, Christos D. Zaroliagis
Exploiting Amorphous Data Parallelism to Speed-Up Massive Time-Dependent Shortest-Path Computations. ATMOS (2019)
Damianos Gavalas, Kalliopi Giannakopoulou, Vlasios Kasapakis, Dionisis D. Kehagias, Charalampos Konstantopoulos, Spyros C. Kontogiannis, Damianos Kypriadis, Grammati E. Pantziou, Andreas Paraskevopoulos, Christos D. Zaroliagis
Renewable Mobility in Smart Cities: Cloud-Based Services. ISCC (2018)
Julian Dibbelt, Dionisis D. Kehagias, Grammati E. Pantziou, Damianos Gavalas, Charalampos Konstantopoulos, Dorothea Wagner, Kalliopi Giannakopoulou, Spyros C. Kontogiannis, Christos D. Zaroliagis
Eco-aware vehicle routing in urban environments. ISCC (2017)
Spyros C. Kontogiannis, Georgia Papastavrou, Andreas Paraskevopoulos, Dorothea Wagner, Christos D. Zaroliagis
Improved Oracles for Time-Dependent Road Networks. CoRR (2017)
Spyros C. Kontogiannis, Georgia Papastavrou, Andreas Paraskevopoulos, Dorothea Wagner, Christos D. Zaroliagis
Improved Oracles for Time-Dependent Road Networks. ATMOS (2017)
Julian Dibbelt, Charalampos Konstantopoulos, Dorothea Wagner, Damianos Gavalas, Spyros C. Kontogiannis, Christos D. Zaroliagis, Vlasios Kasapakis, Grammati E. Pantziou
Multimodal route and tour planning in urban environments. ISCC (2017)
Spyros C. Kontogiannis, Dorothea Wagner, Christos D. Zaroliagis
Hierarchical Time-Dependent Oracles. ISAAC (2016)
Kalliopi Giannakopoulou, Spyros C. Kontogiannis, Georgia Papastavrou, Christos D. Zaroliagis
A Cloud-Based Time-Dependent Routing Service. ALGOCLOUD (2016)
Spyros C. Kontogiannis, Christos D. Zaroliagis
Distance Oracles for Time-Dependent Networks. Algorithmica 74 (4) (2016)
Spyros C. Kontogiannis, George Michalopoulos, Georgia Papastavrou, Andreas Paraskevopoulos, Dorothea Wagner, Christos D. Zaroliagis
Engineering Oracles for Time-Dependent Road Networks. ALENEX (2016)
Spyros C. Kontogiannis, George Michalopoulos, Georgia Papastavrou, Andreas Paraskevopoulos, Dorothea Wagner, Christos D. Zaroliagis
Analysis and Experimental Evaluation of Time-Dependent Distance Oracles. ALENEX (2015)
Spyros C. Kontogiannis, Dorothea Wagner, Christos D. Zaroliagis
Hierarchical Oracles for Time-Dependent Networks. CoRR (2015)
Spyros C. Kontogiannis, George Michalopoulos, Georgia Papastavrou, Andreas Paraskevopoulos, Dorothea Wagner, Christos D. Zaroliagis
Engineering Oracles for Time-Dependent Road Networks. CoRR (2015)
Ioannis Chatzigiannakis, Dimitris Fotakis, Spyros C. Kontogiannis, Othon Michail, Sotiris E. Nikoletseas, Grammati E. Pantziou, Christos D. Zaroliagis
A Glimpse at Paul G. Spirakis. Algorithms, Probability, Networks, and Games (2015)
Spyros C. Kontogiannis, Christos D. Zaroliagis
Distance Oracles for Time-Dependent Networks. ICALP (1) (2014)
Spyros C. Kontogiannis, Elias Koutsoupias, Pavlos G. Spirakis
Preface to Special Issue on Algorithmic Game Theory. Theory Comput. Syst. 53 (1) (2013)
Spyros C. Kontogiannis, Christos D. Zaroliagis
Distance Oracles for Time-Dependent Networks. CoRR (2013)
Spyros C. Kontogiannis, Paul G. Spirakis
On mutual concavity and strategically-zero-sum bimatrix games. Theor. Comput. Sci. 432 (2012)
Apostolos Bessas, Spyros C. Kontogiannis, Christos D. Zaroliagis
Robust Line Planning in Case of Multiple Pools and Disruptions. TAPAS (2011)
Alberto Caprara, Spyros C. Kontogiannis
Frontmatter, Table of Contents, Preface, Workshop Organization. ATMOS (2011)
Apostolos Bessas, Spyros C. Kontogiannis, Christos D. Zaroliagis
Robust Line Planning in case of Multiple Pools and Disruptions CoRR (2011)
Spyros C. Kontogiannis, Paul G. Spirakis
Approximability of Symmetric Bimatrix Games and Related Experiments. SEA (2011)
Spyros C. Kontogiannis, Paul G. Spirakis
Exploiting Concavity in Bimatrix Games: New Polynomially Tractable Subclasses. APPROX-RANDOM (2010)
Spyros C. Kontogiannis, Paul G. Spirakis
Well Supported Approximate Equilibria in Bimatrix Games. Algorithmica 57 (4) (2010)
Paul G. Spirakis, Marios Mavronicolas, Spyros C. Kontogiannis
Preface. Theor. Comput. Sci. 410 (17) (2009)
Spyros C. Kontogiannis, Panagiota N. Panagopoulou, Paul G. Spirakis
Polynomial algorithms for approximating Nash equilibria of bimatrix games. Theor. Comput. Sci. 410 (17) (2009)
Spyros C. Kontogiannis, Paul G. Spirakis, Haralampos Tsaknakis
Recent Advances in Approximability of Bimatrix Nash. Bull. EATCS 98 (2009)
Spyros C. Kontogiannis, Paul G. Spirakis
On the support size of stable strategies in random games. Theor. Comput. Sci. 410 (8-10) (2009)
Dimitris Fotakis, Spyros C. Kontogiannis, Elias Koutsoupias, Marios Mavronicolas, Paul G. Spirakis
The structure and complexity of Nash equilibria for a selfish routing game. Theor. Comput. Sci. 410 (36) (2009)
Spyros C. Kontogiannis, Paul G. Spirakis
Equilibrium Points in Fear of Correlated Threats. WINE (2008)
Spyros C. Kontogiannis, Christos D. Zaroliagis
Robust Line Planning under Unknown Incentives and Elasticity of Frequencies. ATMOS (2008)
Dimitris Fotakis, Spyros C. Kontogiannis, Paul G. Spirakis
Atomic congestion games among coalitions. ACM Trans. Algorithms 4 (4) (2008)
Spyros C. Kontogiannis, Paul G. Spirakis
Probabilistic Techniques in Algorithmic Game Theory. SAGA (2007)
Spyros C. Kontogiannis, Paul G. Spirakis
On the Support Size of Stable Strategies in Random Games. SAGA (2007)
Spyros C. Kontogiannis, Paul G. Spirakis
Well Supported Approximate Equilibria in Bimatrix Games: A Graph Theoretic Approach. MFCS (2007)
Spyros C. Kontogiannis, Paul G. Spirakis
Efficient Algorithms for Constant Well Supported Approximate Equilibria in Bimatrix Games. ICALP (2007)
Spyros C. Kontogiannis, Panagiota N. Panagopoulou, Paul G. Spirakis
Polynomial Algorithms for Approximating Nash Equilibria of Bimatrix Games. WINE (2006)
Dimitris Fotakis, Spyros C. Kontogiannis, Paul G. Spirakis
Atomic Congestion Games Among Coalitions. ICALP (1) (2006)
Spyros C. Kontogiannis, Panagiota N. Panagopoulou, Paul G. Spirakis
Polynomial Algorithms for Approximating Nash Equilibria of Bimatrix Games. Electron. Colloquium Comput. Complex. 13 (081) (2006)
Dimitris Fotakis, Spyros C. Kontogiannis, Paul G. Spirakis
Symmetry in Network Congestion Games: Pure Equilibria and Anarchy Cost. WAOA (2005)
Spyros C. Kontogiannis, Paul G. Spirakis
Evolutionary Games: An Algorithmic View. Self-star Properties in Complex Information Systems (2005)
Spyros C. Kontogiannis, Paul G. Spirakis
Counting Stable Strategies in Random Evolutionary Games. ISAAC (2005)
Dimitris Fotakis, Spyros C. Kontogiannis, Paul G. Spirakis
Selfish unsplittable flows. Theor. Comput. Sci. 348 (2-3) (2005)
Spyros C. Kontogiannis, Paul G. Spirakis
The Contribution of Game Theory to Complex Systems. Panhellenic Conference on Informatics (2005)
Spyros C. Kontogiannis, Paul G. Spirakis
Atomic Selfish Routing in Networks: A Survey. WINE (2005)
Dimitris Fotakis, Spyros C. Kontogiannis, Paul G. Spirakis
Selfish Unsplittable Flows. ICALP (2004)
Spyros C. Kontogiannis
Lower bounds & competitive algorithms for online scheduling of unit-size tasks to related machines. STOC (2002)
Dimitris Fotakis, Spyros C. Kontogiannis, Elias Koutsoupias, Marios Mavronicolas, Paul G. Spirakis
The Structure and Complexity of Nash Equilibria for a Selfish Routing Game. ICALP (2002)
Spyros C. Kontogiannis, Grammati E. Pantziou, Paul G. Spirakis, Moti Yung
Robust Parallel Computations through Randomization. Theory Comput. Syst. 33 (5/6) (2000)
Spyros C. Kontogiannis, Grammati E. Pantziou, Paul G. Spirakis, Moti Yung
"Dynamic-Fault-Prone BSP": A Paradigm for Robust Computations in Changing Environments. SPAA (1998)
Spyros C. Kontogiannis, Grammati E. Pantziou, Paul G. Spirakis
Efficient Computations on Fault-Prone BSP Machines. SPAA (1997)