3 papers
cs.DB2025
Storing and Querying Evolving Graphs in NoSQL Storage Models
Alexandros Spitalas, Anastasios Gounaris, Andreas Kosmatopoulos +1
This paper investigates advanced storage models for evolving graphs, focusing on the efficient management of historical data and the optimization of global query performance. Evolv…
cs.DB2017
Skyline Queries in O(1) time?
Spyros Sioutas, Kostas Tsichlas, Andreas Kosmatopoulos +3
The skyline of a set of points () consists of the "best" points with respect to minimization or maximization of the attribute values. A point dominates another poin…
cs.CG2013
Dynamic Top- Dominating Queries
Andreas Kosmatopoulos, Kostas Tsichlas
Let be a dataset of 2-dimensional points. The top- dominating query aims to report the points that dominate the most points in . A point d…