Andreas Kosmatopoulos

Publication Activity (10 Years)

Years Active: 2011-2022
Publications (10 Years): 13

Top Topics

Graph Embedding

Skyline Queries

Community Detection

Top Venues

Publications

Andreas Kosmatopoulos, Kostas Loumponias, Ourania Theodosiadou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Identification of Key Actor Nodes: A Centrality Measure Ranking Aggregation Approach. ASONAM (2022)
Kostas Loumponias, Andreas Kosmatopoulos, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
A Faster Converging Negative Sampling for the Graph Embedding Process in Community Detection and Link Prediction Tasks. DeLTA (2022)
Kostas Loumponias, Andreas Kosmatopoulos, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Modified SkipGram Negative Sampling Model for Faster Convergence of Graph Embedding. DeLTA (Selected Papers) (2022)
Andreas Kosmatopoulos, Kostas Loumponias, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks. OASIS@HT (2021)
Alexandros Spitalas, Anastasios Gounaris, Kostas Tsichlas, Andreas Kosmatopoulos
Investigation of Database Models for Evolving Graphs. TIME (2021)
Evangelos Kipouridis, Andreas Kosmatopoulos, Apostolos N. Papadopoulos, Kostas Tsichlas
Dynamic layers of maxima with applications to dominating queries. Comput. Geom. 93 (2021)
Ioannis Mavroudopoulos, Theodoros Toliopoulos, Christos Bellas, Andreas Kosmatopoulos, Anastasios Gounaris
Sequence detection in event log files. EDBT (2021)
Andreas Kosmatopoulos, Athanasios K. Tsakalidis, Kostas Tsichlas
A Space-Optimal Hidden Surface Removal Algorithm for Iso-Oriented Rectangles. Int. J. Found. Comput. Sci. 31 (5) (2020)
Katerina Doka, Andreas Kosmatopoulos, Apostolos Papadopoulos, Spyros Sioutas, Kostas Tsichlas, Dimitrios Tsoumakos
Dynamic planar range skyline queries in log logarithmic expected time. Inf. Process. Lett. 162 (2020)
Andreas Kosmatopoulos, Anastasios Gounaris, Kostas Tsichlas
Hinode: implementing a vertex-centric modelling approach to maintaining historical graph data. Computing 101 (12) (2019)
Spyros Sioutas, Kostas Tsichlas, Andreas Kosmatopoulos, Apostolos N. Papadopoulos, Dimitrios Tsoumakos, Katerina Doka
Skyline Queries in O(1) time? CoRR (2017)
Andreas Kosmatopoulos, Kostas Tsichlas, Anastasios Gounaris, Spyros Sioutas, Evaggelia Pitoura
HiNode: an asymptotically space-optimal storage model for historical queries on graphs. Distributed Parallel Databases 35 (3-4) (2017)
Andreas Kosmatopoulos, Kalliopi Giannakopoulou, Apostolos N. Papadopoulos, Kostas Tsichlas
An Overview of Methods for Handling Evolving Graph Sequences. ALGOCLOUD (2015)
Andreas Kosmatopoulos, Apostolos N. Papadopoulos, Kostas Tsichlas
Dynamic Processing of Dominating Queries with Performance Guarantees. ICDT (2014)
Andreas Kosmatopoulos, Kostas Tsichlas
Dynamic Top-$k$ Dominating Queries CoRR (2013)
Christos Zigkolis, Vassiliki A. Koutsonikola, Despoina Chatzakou, Savvas Karagiannidis, Maria Giatsoglou, Andreas Kosmatopoulos, Athena Vakali
Towards a User-Aware Virtual Museum. VS-GAMES (2011)