Search Results for author: Benjamin Schubert

Found 3 papers, 2 papers with code

What cleaves? Is proteasomal cleavage prediction reaching a ceiling?

1 code implementation24 Oct 2022 Ingo Ziegler, Bolei Ma, Ercong Nie, Bernd Bischl, David Rügamer, Benjamin Schubert, Emilio Dorigatti

While direct identification of proteasomal cleavage \emph{in vitro} is cumbersome and low throughput, it is possible to implicitly infer cleavage events from the termini of MHC-presented epitopes, which can be detected in large amounts thanks to recent advances in high-throughput MHC ligandomics.

Benchmarking Denoising

Improved proteasomal cleavage prediction with positive-unlabeled learning

1 code implementation14 Sep 2022 Emilio Dorigatti, Bernd Bischl, Benjamin Schubert

Accurate in silico modeling of the antigen processing pathway is crucial to enable personalized epitope vaccine design for cancer.

Uncertainty-aware Pseudo-label Selection for Positive-Unlabeled Learning

no code implementations31 Jan 2022 Emilio Dorigatti, Jann Goschenhofer, Benjamin Schubert, Mina Rezaei, Bernd Bischl

In this work, we thus propose to tackle the issues of imbalanced datasets and model calibration in a PUL setting through an uncertainty-aware pseudo-labeling procedure (PUUPL): by boosting the signal from the minority class, pseudo-labeling expands the labeled dataset with new samples from the unlabeled set, while explicit uncertainty quantification prevents the emergence of harmful confirmation bias leading to increased predictive performance.

Pseudo Label Uncertainty Quantification

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