Papers by M Saiful Bari

17 papers
A Systematic Study and Comprehensive Evaluation of ChatGPT on Benchmark Datasets (2023.findings-acl)

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Challenge: Currently, the evaluation of large language models (LLMs) such as ChatGPT in academic datasets is difficult due to the difficulty of evaluating the generative outputs produced by this model against the ground truth.
Approach: They evaluate ChatGPT across 140 tasks and analyze 255K responses it generates in academic datasets.
Outcome: The proposed model performs well on 140 tasks and generates 255K responses in these datasets.
ZeroSumEval: An Extensible Framework For Scaling LLM Evaluation with Inter-Model Competition (2025.acl-demo)

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Challenge: Recent studies highlight the effectiveness of game-based evaluations for Large Language Models.
Approach: They propose a dynamic, competition-based evaluation framework for Large Language Models that leverages competitive games.
Outcome: The framework leverages competitive games to evaluate models in large language models.
PromptSource: An Integrated Development Environment and Repository for Natural Language Prompts (2022.acl-demo)

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Challenge: PromptSource is a system for creating, sharing, and using natural language prompts . prompts are used to train and query language models in zero-shot learning settings .
Approach: PromptSource is a system for creating, sharing, and using natural language prompts . et al.: using prompts to train and query language models is emerging area in NLP . they propose a templating language for defining data-linked prompts, a user interface that iterates on prompt development .
Outcome: PromptSource is a system for creating, sharing, and using natural language prompts . it has a templating language for defining data-linked prompts and a community-driven set of guidelines .
What Language Model to Train if You Have One Million GPU Hours? (2022.findings-emnlp)

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Challenge: Recent years have seen the advent of large language models characterized by emergent capabilities arising from sheer scale alone.
Approach: They propose to use a multilingual model to compare performance to the English-only model by ablation at the billion-parameter scale.
Outcome: The proposed model is based on a multilingual model and its performance against the English-only model.
UXLA: A Robust Unsupervised Data Augmentation Framework for Zero-Resource Cross-Lingual NLP (2021.acl-long)

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Challenge: Transfer learning has yielded state-of-the-art (SoTA) results, but annotated data for every target task in every target language is rare, especially for low-resource languages.
Approach: They propose a framework for unsupervised data augmentation for zero-resource transfer learning scenarios that performs simultaneous self-training with data hausse and unsupervised sample selection.
Outcome: The proposed framework outperforms baselines on three zero-resource transfer tasks and achieves SoTA results in all the tasks.
A Systematic Survey and Critical Review on Evaluating Large Language Models: Challenges, Limitations, and Recommendations (2024.emnlp-main)

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Challenge: Large Language Models (LLMs) have gained significant attention due to their capabilities in performing diverse tasks across domains.
Approach: They review the primary challenges and limitations causing inconsistencies in evaluations . early models could generate coherent text but limited to simple tasks .
Outcome: The proposed evaluations are reproducible, reliable, and robust.
When Benchmarks are Targets: Revealing the Sensitivity of Large Language Model Leaderboards (2024.acl-long)

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Challenge: Existing leaderboards are often taken at face value, but this is costly . a recent study shows that minor perturbations to the benchmark result in rankings up to 8 positions.
Approach: They propose to use a *hybrid* scoring method for answer selection for large language models . they find that minor perturbations to the benchmark result in rankings changes .
Outcome: The proposed model is a hybrid scoring method, the authors argue . the proposed model could be used to improve the performance of large language models .
LNMap: Departures from Isomorphic Assumption in Bilingual Lexicon Induction Through Non-Linear Mapping in Latent Space (2020.emnlp-main)

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Challenge: Existing methods for bilingual lexicon induction are mapping-based, but they do not hold for closely related languages.
Approach: They propose a semi-supervised method to learn cross-lingual word embeddings for BLI using a linear mapping function and a latent space of two independently trained autoencoders.
Outcome: The proposed method outperforms existing models on 15 different language pairs on both directions.
Nearest Neighbour Few-Shot Learning for Cross-lingual Classification (2021.emnlp-main)

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Challenge: Existing pre-trained models can cause over-fitting when limited data are available.
Approach: They propose to use a nearest-neighbor few-shot technique to improve cross-lingual adaptation using 16 distinct languages across two NLP tasks.
Outcome: The proposed approach improves fine-tuning using only a handful of labeled samples in target locales and also generalizes across tasks.
A Unified Linear-Time Framework for Sentence-Level Discourse Parsing (P19-1)

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Challenge: a new neural framework for sentence-level discourse analysis is proposed . a discourse segmenter and a parser are based on pointer networks and operate in linear time .
Approach: They propose a neural framework for sentence-level discourse analysis in accordance with Rhetorical Structure Theory . they use a discourse segmenter and a parser to construct a discursive tree in a top-down fashion .
Outcome: The proposed framework surpasses previous approaches on both tasks and human agreement on both.
Crosslingual Generalization through Multitask Finetuning (2023.acl-long)

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Challenge: Multitask prompted finetuning (MTF) has been shown to help large language models generalize to new tasks in a zero-shot setting, but so far explorations of MTF have focused on English data and models.
Approach: They apply multitask prompted finetuning to pretrained multilingual models and generate variants called BLOOMZ and mT0.
Outcome: The proposed models can generalize to non-English languages that have never been seen before.
XCodeEval: An Execution-based Large Scale Multilingual Multitask Benchmark for Code Understanding, Generation, Translation and Retrieval (2024.acl-long)

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Challenge: Recent advances in large language models have shown impressive abilities in generating codes from natural language descriptions, repairing buggy codes, translating codes between languages, and retrieving relevant code segments.
Approach: They propose to use a multilingual multitask benchmark to evaluate large language models that can generate codes from natural language descriptions, repair buggy codes, and translate between languages.
Outcome: The proposed model performs 7 tasks covering up to 11 languages with execution-level parallelism and 25 M document-level coding examples (16.5 B tokens)
AugVic: Exploiting BiText Vicinity for Low-Resource NMT (2021.findings-acl)

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Challenge: Neural Machine Translation (NMT) systems often exhibit poor performance due to the lack of large bitext training corpora in low-resource languages.
Approach: They propose a data augmentation framework which exploits the vicinal samples of the given bitext without using extra monolingual data explicitly.
Outcome: The proposed framework can diversify in-domain bitext data with finer level control on four low-resource language pairs.
BenLLM-Eval: A Comprehensive Evaluation into the Potentials and Pitfalls of Large Language Models on Bengali NLP (2024.lrec-main)

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Challenge: Large Language Models (LLMs) have emerged as one of the most important breakthroughs in natural language processing.
Approach: They propose to evaluate LLMs in Bengali to benchmark their performance . they select Bangla NLP tasks such as text summarization, question answering, paraphrasing .
Outcome: The proposed model performs better in some tasks than current models, but in most tasks, it is poor .
Stop Taking Tokenizers for Granted: They Are Core Design Decisions in Large Language Models (2026.eacl-long)

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Challenge: Subword tokenization approaches misalign with linguistic structure and waste capacity across languages and domains.
Approach: They argue for a context-aware framework that integrates tokenizer and model co-design . they argue that tokenization should be treated as a core design problem, not an afterthought .
Outcome: The proposed framework integrates tokenizer and model co-design, guided by linguistic, domain, and deployment considerations.
BLOOM+1: Adding Language Support to BLOOM for Zero-Shot Prompting (2023.acl-long)

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Challenge: Existing language adaptation strategies for multilingual models are limited to 46 languages . a new language is added to the model to improve zero-shot prompting performance .
Approach: They apply existing language adaptation strategies to BLOOM and benchmark its zero-shot prompting performance on eight new languages in a resource-constrained setting.
Outcome: The proposed model can be extended to other languages without incurring prohibitively large costs.
AraEval: An Arabic Multi-Task Evaluation Suite for Large Language Models (2025.emnlp-main)

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Challenge: AraEval is a suite of evaluation tasks designed to assess the advanced knowledge, reasoning, truthfulness, and instruction following capabilities of large language models.
Approach: They propose to use AraEval to assess the advanced knowledge, reasoning, truthfulness, and instruction following capabilities of large language models in the Arabic context.
Outcome: The evaluation suite covers a broad spectrum of domains, including science, history, religion, and literature.

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