Matrix tri-factorization over the tropical semiring

1 code implementation • 11 May 2023 • Amra Omanović, Polona Oblak, Tomaž Curk

We show that triFastSTMF performs similarly to Fast-NMTF in terms of approximation and prediction performance when fitted on the whole network.

Community Detection Matrix Completion

FastSTMF: Efficient tropical matrix factorization algorithm for sparse data

1 code implementation • 13 May 2022 • Amra Omanović, Polona Oblak, Tomaž Curk

However, the optimization process of various tropical matrix factorization methods is slow.

Data embedding and prediction by sparse tropical matrix factorization

1 code implementation • 9 Dec 2020 • Amra Omanović, Hilal Kazan, Polona Oblak, Tomaž Curk

STMF is the first work that uses tropical semiring on sparse data.