Challenge: Quality estimation models are often opaque and computationally expensive, making them impractical to be part of large-scale pipelines.
Approach: They propose an uncertainty-aware quality estimation model that matches previous approaches at a fraction of their costs.
Outcome: The proposed method reduces evaluation costs by 50% and improves reranking performance.

Similar Papers

Uncertainty-Aware Machine Translation Evaluation (2021.findings-emnlp)

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Challenge: Several neural-based metrics have been proposed to evaluate machine translation quality, but they are trained on noisy, biased and scarce human judgements.
Approach: They propose a method to evaluate machine translation quality using point estimates . they combine COMET framework with Monte Carlo dropout and deep ensembles .
Outcome: The proposed methods perform well across multiple language pairs and with references.
Unsupervised Quality Estimation for Neural Machine Translation (2020.tacl-1)

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Challenge: Existing approaches require large amounts of expert annotated data, computation, and time for training.
Approach: They propose an unsupervised approach to QE where no training is required . they use a dataset that enables work on both black-box and glass-box approaches .
Outcome: The proposed approach rivals state-of-the-art supervised QE models in terms of correlation with human judgments of quality.
Quality-Aware Decoding for Neural Machine Translation (2022.naacl-main)

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Challenge: Despite advances in machine translation quality estimation and evaluation, decoding is mostly oblivious to this.
Approach: They propose to use a decoding framework that is quality-aware for neural machine translation . they compare various methods like N-best reranking and minimum Bayes risk decoding .
Outcome: The proposed quality-aware decoding outperforms MAP-based decoding on four datasets and two model classes.
Are we Estimating or Guesstimating Translation Quality? (2020.acl-main)

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Challenge: A carefully engineered ensemble of pre-trained multilingual language models won the QE shared task at WMT19.
Approach: They propose to use pre-trained multilingual language models to train quality estimation for machine translation.
Outcome: A carefully engineered ensemble of pre-trained language models wins the QE shared task at WMT19.
Finding the SWEET Spot: Analysis and Improvement of Adaptive Inference in Low Resource Settings (2023.acl-long)

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Challenge: Pre-trained Transformer-based language models such as BERT, DeBERTa, and GPT3 have become the go-to tool in NLP.
Approach: They propose an Early-Exit fine-tuning method that assigns each classifier its own set of unique model weights, not updated by other classifiers.
Outcome: The proposed method outperforms Early-Exit and Multi-Model at fast speeds while maintaining comparable scores to Early- Exit at slow speeds.
Don’t Rank, Combine! Combining Machine Translation Hypotheses Using Quality Estimation (2024.acl-long)

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Challenge: Neural machine translation models estimate probabilities of target sentences given source sentences, but these estimates may not align with human judgments.
Approach: They propose a method that synthesizes translations using a quality estimation metric . they compare it with beam search and recent reranking techniques .
Outcome: The proposed method outperforms other methods in large language models and multilingual translation models.
Quality Estimation without Human-labeled Data (2021.eacl-main)

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Challenge: Quality estimation aims to measure the quality of translated content without access to a reference translation.
Approach: They propose a method that uses synthetic training data to train supervised quality estimation models.
Outcome: The proposed model outperforms models trained on human-annotated data for sentence and word-level prediction.
PCEE-BERT: Accelerating BERT Inference via Patient and Confident Early Exiting (2022.findings-naacl)

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Challenge: Pre-trained language models (PLMs) are the state-of-the-art (SOTA) models for natural language processing (NLP).
Approach: They propose a patient and confident early exiting BERT (PCEE-BERT) that can work with different PLMs and popular model compression methods.
Outcome: The proposed method outperforms existing models on the GLUE benchmarks and achieves different speed-up ratios.
Fast and Robust Early-Exiting Framework for Autoregressive Language Models with Synchronized Parallel Decoding (2023.emnlp-main)

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Challenge: Existing approaches to speed up inference latency have shown performance degradation caused by a state copying mechanism or numerous exit paths.
Approach: They propose a framework that allocates adaptive computation paths for each token based on the complexity of generating the subsequent token.
Outcome: The proposed framework outperforms existing frameworks on extensive generation tasks.
Measuring Uncertainty in Translation Quality Evaluation (TQE) (2022.lrec-1)

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Challenge: Existing automated tools are not good enough to evaluate translation quality . existing tools are often accused of having low reliability and agreement .
Approach: They propose to use a method to accurately estimate the confidence intervals depending on the sample size of the translated text.
Outcome: The proposed method aims to estimate the confidence intervals (CITATION) depending on the sample size of the translated text, e.g. the amount of words or sentences, that needs to be processed on TQE workflow step for confident and reliable evaluation of overall translation quality.

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