1 code implementation • 2 May 2024 • Daniele Castellana
In this paper, we introduce Lying-GCN, a new DGN inspired by opinion dynamics that can adaptively work in both the heterophilic and the homophilic setting.
1 code implementation • 18 Aug 2023 • Daniele Castellana, Federico Errica
Our findings reveal that previously defined metrics are not adequate when we relax the above assumption.
no code implementations • 29 Sep 2021 • Daniele Castellana, Federico Errica, Davide Bacciu, Alessio Micheli
The Contextual Graph Markov Model is a deep, unsupervised, and probabilistic model for graphs that is trained incrementally on a layer-by-layer basis.
1 code implementation • COLING 2020 • Daniele Castellana, Davide Bacciu
Finally, we introduce a Tree-LSTM model which takes advantage of this composition function and we experimentally assess its performance on different NLP tasks.
1 code implementation • 18 Jun 2020 • Daniele Castellana, Davide Bacciu
The paper introduces two new aggregation functions to encode structural knowledge from tree-structured data.
1 code implementation • 17 Jun 2020 • Daniele Castellana, Davide Bacciu
This approximation allows limiting the parameters space size, decoupling it from its strict relation with the size of the hidden encoding space.
no code implementations • 31 May 2019 • Daniele Castellana, Davide Bacciu
Bottom-Up Hidden Tree Markov Model is a highly expressive model for tree-structured data.
no code implementations • 31 May 2018 • Davide Bacciu, Daniele Castellana
Hidden tree Markov models allow learning distributions for tree structured data while being interpretable as nondeterministic automata.