1 code implementation • 3 Apr 2024 • Vasilis Gkolemis, Christos Diou, Eirini Ntoutsi, Theodore Dalamagas, Bernd Bischl, Julia Herbinger, Giuseppe Casalicchio
Effector implements well-established global effect methods, assesses the heterogeneity of each method and, based on that, provides regional effects.
no code implementations • 21 Sep 2023 • Vasilis Gkolemis, Anargiros Tzerefos, Theodore Dalamagas, Eirini Ntoutsi, Christos Diou
Consequently, RAMs fit one component per subregion of each feature instead of one component per feature.
1 code implementation • 20 Sep 2023 • Vasilis Gkolemis, Theodore Dalamagas, Eirini Ntoutsi, Christos Diou
RHALE quantifies the heterogeneity by considering the standard deviation of the local effects and automatically determines an optimal variable-size bin-splitting.
1 code implementation • 10 Oct 2022 • Vasilis Gkolemis, Theodore Dalamagas, Christos Diou
In this paper, we propose a novel ALE approximation, called Differential Accumulated Local Effects (DALE), which can be used in cases where the ML model is differentiable and an auto-differentiable framework is accessible.
1 code implementation • 11 Jan 2022 • Serafeim Chatzopoulos, Thanasis Vergoulis, Dimitrios Skoutas, Theodore Dalamagas, Christos Tryfonopoulos, Panagiotis Karras
In this paper, we present ATRAPOS, a new approach for the real-time evaluation of metapath query workloads that leverages a combination of efficient sparse matrix multiplication and intermediate result caching.
no code implementations • 30 Dec 2020 • Thanasis Vergoulis, Ilias Kanellos, Giorgos Giannopoulos, Theodore Dalamagas
Moreover, most approaches rely on the existence of rich metadata for each article, a requirement that cannot be adequately fulfilled for a large number of them.
no code implementations • 9 Dec 2020 • Apostolos Chalkis, Emmanouil Christoforou, Ioannis Z. Emiris, Theodore Dalamagas
The first concerns crisis detection, which is of prime interest for the public in general and for policy makers in particular because of the significant impact that crises have on the economy.
no code implementations • 1 Jun 2020 • Ilias Kanellos, Thanasis Vergoulis, Dimitris Sacharidis, Theodore Dalamagas, Yannis Vassiliou
A detailed experimental evaluation on four real citation datasets across disciplines, shows that our approach is more effective than previous work in ranking papers based on their short-term impact.
no code implementations • 10 May 2012 • Theodore Dalamagas, Nikos Bikakis, George Papastefanatos, Yannis Stavrakas, Artemis G. Hatzigeorgiou
This paper presents our Linked Open Data (LOD) infrastructures for genomic and experimental data related to microRNA biomolecules.
Databases