Search Results for author: Robert M. Nickel

Found 7 papers, 4 papers with code

O2D2: Out-Of-Distribution Detector to Capture Undecidable Trials in Authorship Verification

1 code implementation30 Jun 2021 Benedikt Boenninghoff, Robert M. Nickel, Dorothea Kolossa

The PAN 2021 authorship verification (AV) challenge is part of a three-year strategy, moving from a cross-topic/closed-set AV task to a cross-topic/open-set AV task over a collection of fanfiction texts.

Authorship Verification

Self-Calibrating Neural-Probabilistic Model for Authorship Verification Under Covariate Shift

1 code implementation21 Jun 2021 Benedikt Boenninghoff, Dorothea Kolossa, Robert M. Nickel

We are addressing two fundamental problems in authorship verification (AV): Topic variability and miscalibration.

Authorship Verification

Unsupervised Classification of Voiced Speech and Pitch Tracking Using Forward-Backward Kalman Filtering

no code implementations1 Mar 2021 Benedikt Boenninghoff, Robert M. Nickel, Steffen Zeiler, Dorothea Kolossa

The detection of voiced speech, the estimation of the fundamental frequency, and the tracking of pitch values over time are crucial subtasks for a variety of speech processing techniques.

General Classification

Deep Bayes Factor Scoring for Authorship Verification

no code implementations23 Aug 2020 Benedikt Boenninghoff, Julian Rupp, Robert M. Nickel, Dorothea Kolossa

The PAN 2020 authorship verification (AV) challenge focuses on a cross-topic/closed-set AV task over a collection of fanfiction texts.

Authorship Verification Metric Learning

Variational Autoencoder with Embedded Student-$t$ Mixture Model for Authorship Attribution

no code implementations28 May 2020 Benedikt Boenninghoff, Steffen Zeiler, Robert M. Nickel, Dorothea Kolossa

In this work, we are extending the Gaussian model for the VAE to a Student-$t$ model, which allows for an independent control of the "heaviness" of the respective tails of the implied probability densities.

Authorship Attribution General Classification

Explainable Authorship Verification in Social Media via Attention-based Similarity Learning

2 code implementations17 Oct 2019 Benedikt Boenninghoff, Steffen Hessler, Dorothea Kolossa, Robert M. Nickel

Authorship verification is the task of analyzing the linguistic patterns of two or more texts to determine whether they were written by the same author or not.

Authorship Verification Decision Making

Similarity Learning for Authorship Verification in Social Media

2 code implementations20 Aug 2019 Benedikt Boenninghoff, Robert M. Nickel, Steffen Zeiler, Dorothea Kolossa

Authorship verification tries to answer the question if two documents with unknown authors were written by the same author or not.

Authorship Verification

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