Search Results for author: Maurits Bleeker

Found 10 papers, 7 papers with code

Towards Reproducible Machine Learning Research in Natural Language Processing

no code implementations ACL 2022 Ana Lucic, Maurits Bleeker, Samarth Bhargav, Jessica Forde, Koustuv Sinha, Jesse Dodge, Sasha Luccioni, Robert Stojnic

While recent progress in the field of ML has been significant, the reproducibility of these cutting-edge results is often lacking, with many submissions lacking the necessary information in order to ensure subsequent reproducibility.

BIG-bench Machine Learning

Demonstrating and Reducing Shortcuts in Vision-Language Representation Learning

1 code implementation27 Feb 2024 Maurits Bleeker, Mariya Hendriksen, Andrew Yates, Maarten de Rijke

Hence, contrastive losses are not sufficient to learn task-optimal representations, i. e., representations that contain all task-relevant information shared between the image and associated captions.

Contrastive Learning Representation Learning

Approximate Nearest Neighbour Phrase Mining for Contextual Speech Recognition

no code implementations18 Apr 2023 Maurits Bleeker, Pawel Swietojanski, Stefan Braun, Xiaodan Zhuang

By including approximate nearest neighbour phrases (ANN-P) in the context list, we encourage the learned representation to disambiguate between similar, but not identical, biasing phrases.

speech-recognition Speech Recognition

A Song of (Dis)agreement: Evaluating the Evaluation of Explainable Artificial Intelligence in Natural Language Processing

1 code implementation9 May 2022 Michael Neely, Stefan F. Schouten, Maurits Bleeker, Ana Lucic

The validity of "attention as explanation" has so far been evaluated by computing the rank correlation between attention-based explanations and existing feature attribution explanations using LSTM-based models.

Explainable artificial intelligence

Reducing Predictive Feature Suppression in Resource-Constrained Contrastive Image-Caption Retrieval

1 code implementation28 Apr 2022 Maurits Bleeker, Andrew Yates, Maarten de Rijke

We add an additional decoder to the contrastive ICR framework, to reconstruct the input caption in a latent space of a general-purpose sentence encoder, which prevents the image and caption encoder from suppressing predictive features.

Contrastive Learning Retrieval +1

Do Lessons from Metric Learning Generalize to Image-Caption Retrieval?

1 code implementation14 Feb 2022 Maurits Bleeker, Maarten de Rijke

Recent progress in metric learning has given rise to new loss functions that outperform the triplet loss on tasks such as image retrieval and representation learning.

Image Retrieval Metric Learning +2

Reproducibility as a Mechanism for Teaching Fairness, Accountability, Confidentiality, and Transparency in Artificial Intelligence

no code implementations1 Nov 2021 Ana Lucic, Maurits Bleeker, Sami Jullien, Samarth Bhargav, Maarten de Rijke

In this work, we explain the setup for a technical, graduate-level course on Fairness, Accountability, Confidentiality, and Transparency in Artificial Intelligence (FACT-AI) at the University of Amsterdam, which teaches FACT-AI concepts through the lens of reproducibility.

Fairness

Bidirectional Scene Text Recognition with a Single Decoder

1 code implementation8 Dec 2019 Maurits Bleeker, Maarten de Rijke

We introduce the bidirectional Scene Text Transformer (Bi-STET), a novel bidirectional STR method with a single decoder for bidirectional text decoding.

Scene Text Recognition

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