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Mateusz Lango

4 accepted papers

2024

ASTE-Transformer: Modelling Dependencies in Aspect-Sentiment Triplet Extraction

EMNLP 2024finding

Aspect-Sentiment Triplet Extraction (ASTE) is a recently proposed task of aspect-based sentiment analysis that consists in extracting (aspect phrase, opinion phrase, sentiment polarity) triples from a given sentence. Recent state-of-the-art methods approach this task by first extracting all possible…

2024

Faithful and Plausible Natural Language Explanations for Image Classification: A Pipeline Approach

EMNLP 2024finding

Existing explanation methods for image classification struggle to provide faithful and plausible explanations. This paper addresses this issue by proposing a post-hoc natural language explanation method that can be applied to any CNN-based classifier without altering its training process or affectin…

2024

Polish-ASTE: Aspect-Sentiment Triplet Extraction Datasets for Polish

COLING 2024main

Aspect-Sentiment Triplet Extraction (ASTE) is one of the most challenging and complex tasks in sentiment analysis. It concerns the construction of triplets that contain an aspect, its associated sentiment polarity, and an opinion phrase that serves as a rationale for the assigned polarity. Despite t…

2023

Critic-Driven Decoding for Mitigating Hallucinations in Data-to-text Generation

EMNLP 2023short main

Hallucination of text ungrounded in the input is a well-known problem in neural data-to-text generation. Many methods have been proposed to mitigate it, but they typically require altering model architecture or collecting additional data, and thus cannot be easily applied to an existing model. In th…

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