Challenge: Existing methods to assess data quality for training and testing large language models are lacking.
Approach: They propose two approaches to assess the reliability of data for training large language models for external tool usage.
Outcome: The proposed approaches outperform models trained on high-quality data on two popular benchmarks and an extrinsic evaluation that showcases the impact of data quality on model performance.

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Challenge: Large Language Models (LLMs) provide a data-centric solution to alleviate limitations of real-world data with synthetic data generation.
Approach: They propose a generic workflow for LLM-driven synthetic data generation.
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Synthetic Data Generation with Large Language Models for Text Classification: Potential and Limitations (2023.emnlp-main)

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Challenge: Recent studies have explored using large language models to generate synthetic datasets . however, the effectiveness of the LLM-generated synthetic data is inconsistent across different classification tasks.
Approach: They propose to use large language models to generate synthetic datasets to better understand factors that moderate the effectiveness of LLM-generated synthetic data.
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LLM Evaluate: An Industry-Focused Evaluation Tool for Large Language Models (2025.coling-industry)

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Challenge: Large Language Models (LLMs) have demonstrated impressive capability to solve a wide range of tasks in recent years.
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The Data Frontier for Large Language Models: Selection, Synthesis, and Tools (2026.acl-tutorials)

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Challenge: acquiring and curating high-quality training data remains a significant bottleneck . acquiring such high-quality data is a key challenge for researchers and practitioners .
Approach: This tutorial provides a comprehensive and practical guide to the state-of-the-art in data research directions for LLMs.
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Evaluating Language Models as Synthetic Data Generators (2025.acl-long)

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Challenge: Prior studies have focused on developing effective data generation methods, but lack systematic comparison of different LMs as data generators in a unified setting.
Approach: They propose to use a benchmark to compare language models' data generation abilities against a set of standardized settings and metrics.
Outcome: The proposed benchmark provides standardized settings and metrics to evaluate LMs’ data generation abilities.
An empirical study of validating synthetic data for formula generation (2025.findings-naacl)

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Challenge: Large language models (LLMs) can be leveraged to help write formulas in spreadsheets, but formula data resources are scarce, limiting the ability to fine-tune them.
Approach: They validate a corpus of formulas with a model to generate synthetic natural language utterances for fine-tuning.
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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.
CRITICTOOL: Evaluating Self-Critique Capabilities of Large Language Models in Tool-Calling Error Scenarios (2025.emnlp-main)

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Challenge: a number of tools are used to perform complex tasks, but the tool utilization process can cause errors.
Approach: They propose a critique evaluation benchmark for tool learning that analyzes function-calling errors on tool evaluation benchmarks.
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LLM-Powered Benchmark Factory: Reliable, Generic, and Efficient (2026.acl-long)

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Challenge: Using generic and efficient benchmark generators, human annotators are limited by inefficiency . current benchmark generator methods rely on seed signals, leading to long cycles and high costs .
Approach: They propose a framework to evaluate LLMs as generic benchmark generators and integrate them as BenchMaker.
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SCORE: Systematic COnsistency and Robustness Evaluation for Large Language Models (2025.naacl-industry)

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Challenge: Typical evaluations of Large Language Models (LLMs) report a single accuracy metric per dataset, often derived from an optimized setup.
Approach: They propose a framework for non-adversarial evaluation of large language models that evaluates models by repeatedly testing them on the same benchmarks in various setups.
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