Andreas Kosmatopoulos

According to our database, Andreas Kosmatopoulos authored at least 17 papers between 2011 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2022

Modified SkipGram Negative Sampling Model for Faster Convergence of Graph Embedding.

Kostas Loumponias, Andreas Kosmatopoulos, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris

Proceedings of the Deep Learning Theory and Applications - Third International Conference, 2022

A Faster Converging Negative Sampling for the Graph Embedding Process in Community Detection and Link Prediction Tasks.

Kostas Loumponias, Andreas Kosmatopoulos, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris

Proceedings of the 3rd International Conference on Deep Learning Theory and Applications, 2022

Identification of Key Actor Nodes: A Centrality Measure Ranking Aggregation Approach.

Andreas Kosmatopoulos, Kostas Loumponias, Ourania Theodosiadou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris

Proceedings of the IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2022

2021

Dynamic layers of maxima with applications to dominating queries.

Evangelos Kipouridis, Andreas Kosmatopoulos, Apostolos N. Papadopoulos, Kostas Tsichlas

Comput. Geom., 2021

Investigation of Database Models for Evolving Graphs.

Alexandros Spitalas, Anastasios Gounaris, Kostas Tsichlas, Andreas Kosmatopoulos

Proceedings of the 28th International Symposium on Temporal Representation and Reasoning, 2021

Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks.

Andreas Kosmatopoulos, Kostas Loumponias, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris

Proceedings of the OASIS@HT 2021: Proceedings of the 2021 Workshop on Open Challenges in Online Social Networks, 2021

Sequence detection in event log files.

Ioannis Mavroudopoulos, Theodoros Toliopoulos, Christos Bellas, Andreas Kosmatopoulos, Anastasios Gounaris

Proceedings of the 24th International Conference on Extending Database Technology, 2021

2020

Dynamic planar range skyline queries in log logarithmic expected time.

Katerina Doka, Andreas Kosmatopoulos, Apostolos Papadopoulos, Spyros Sioutas, Kostas Tsichlas, Dimitrios Tsoumakos

Inf. Process. Lett., 2020

A Space-Optimal Hidden Surface Removal Algorithm for Iso-Oriented Rectangles.

Andreas Kosmatopoulos, Athanasios K. Tsakalidis, Kostas Tsichlas

Int. J. Found. Comput. Sci., 2020

2019

Management of historical information and preference in massive datasets

Andreas Kosmatopoulos

PhD thesis, 2019

Hinode: implementing a vertex-centric modelling approach to maintaining historical graph data.

Andreas Kosmatopoulos, Anastasios Gounaris, Kostas Tsichlas

Computing, 2019

2017

HiNode: an asymptotically space-optimal storage model for historical queries on graphs.

Andreas Kosmatopoulos, Kostas Tsichlas, Anastasios Gounaris, Spyros Sioutas, Evaggelia Pitoura

Distributed Parallel Databases, 2017

Skyline Queries in O(1) time?

Spyros Sioutas, Kostas Tsichlas, Andreas Kosmatopoulos, Apostolos N. Papadopoulos, Dimitrios Tsoumakos, Katerina Doka

CoRR, 2017

2015

An Overview of Methods for Handling Evolving Graph Sequences.

Andreas Kosmatopoulos, Kalliopi Giannakopoulou, Apostolos N. Papadopoulos, Kostas Tsichlas

Proceedings of the Algorithmic Aspects of Cloud Computing - First International Workshop, 2015

2014

Dynamic Processing of Dominating Queries with Performance Guarantees.

Andreas Kosmatopoulos, Apostolos N. Papadopoulos, Kostas Tsichlas

Proceedings of the Proc. 17th International Conference on Database Theory (ICDT), 2014

2013

Dynamic Top-$k$ Dominating Queries

Andreas Kosmatopoulos, Kostas Tsichlas

CoRR, 2013

2011

Towards a User-Aware Virtual Museum.

Christos Zigkolis, Vassiliki A. Koutsonikola, Despoina Chatzakou, Savvas Karagiannidis, Maria Giatsoglou, Andreas Kosmatopoulos, Athena Vakali

Proceedings of the Third International Conference on Games and Virtual Worlds for Serious Applications, 2011