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Anastasiia Sedova

3 accepted papers

2024

To Know or Not To Know? Analyzing Self-Consistency of Large Language Models under Ambiguity

EMNLP 2024finding

One of the major aspects contributing to the striking performance of large language models (LLMs) is the vast amount of factual knowledge accumulated during pre-training. Yet, many LLMs suffer from self-inconsistency, which raises doubts about their trustworthiness and reliability. This paper focuse…

2023

ACTC: Active Threshold Calibration for Cold-Start Knowledge Graph Completion

ACL 2023short

Self-supervised knowledge-graph completion (KGC) relies on estimating a scoring model over (entity, relation, entity)-tuples, for example, by embedding an initial knowledge graph. Prediction quality can be improved by calibrating the scoring model, typically by adjusting the prediction thresholds us…

2023

ULF: Unsupervised Labeling Function Correction using Cross-Validation for Weak Supervision

EMNLP 2023short main

A cost-effective alternative to manual data labeling is weak supervision (WS), where data samples are automatically annotated using a predefined set of labeling functions (LFs), rule-based mechanisms that generate artificial labels for the associated classes. In this work, we investigate noise reduc…

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