Challenge: Existing methods to evaluate semantic accuracy of Text-to-SQL models are not accurate.
Approach: They propose a test suite accuracy method to approximate semantic accuracy for Text-to-SQL models.
Outcome: The proposed method evaluates 21 models submitted to the Spider leader board and manually checks on 100 examples.

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FLEX: Expert-level False-Less EXecution Metric for Text-to-SQL Benchmark (2025.naacl-long)

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Challenge: Existing evaluation methods for text-to-SQL systems show many false positives and negatives . however, the Execution Accuracy (EX) metric is flawed and can diverge from human experts.
Approach: They propose a method to evaluate text-to-SQL systems using large language models to emulate human expert-level evaluation of SQL queries.
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Evaluating Cross-Domain Text-to-SQL Models and Benchmarks (2023.emnlp-main)

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Challenge: Text-to-SQL benchmarks are used to evaluate progress made in the field . however, matching a model-generated SQL query to a reference SQL query fails due to various reasons.
Approach: They conduct an extensive evaluation of text-to-SQL benchmarks and re-evaluate some of the top-performing models.
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A Review of Cross-Domain Text-to-SQL Models (2020.aacl-srw)

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Challenge: WikiSQL and Spider are cross-domain text-to-SQl datasets that have attracted much attention from the research community.
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Beyond the Tip of the Iceberg: Assessing Coherence of Text Classifiers (2021.findings-emnlp)

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Challenge: Large-scale, pre-trained language models achieve human-level and superhuman accuracy on existing language understanding tasks, but statistical bias in benchmark data and probing studies has recently called into question their true capabilities.
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Improving Text-to-SQL Evaluation Methodology (P18-1)

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Challenge: Current evaluations of text-to-SQL systems are limited by the way they divide data into training and test sets.
Approach: They propose to standardize and improve existing and new text-to-SQL datasets . they propose a template-based slot-filling baseline that cannot generalize to new queries .
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CheckEval: A reliable LLM-as-a-Judge framework for evaluating text generation using checklists (2025.emnlp-main)

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Challenge: Existing evaluation protocols for text generation suffer from rating inconsistencies . lexical overlap-based metrics align poorly with human judgments .
Approach: They propose a checklist-based evaluation framework that improves rating reliability via decomposed binary questions.
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Leveraging Adjective-Noun Phrasing Knowledge for Comparison Relation Prediction in Text-to-SQL (D19-1)

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Challenge: Existing models for text-to-SQL do not explicitly introduce common knowledge to address comparison relations.
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Semantic-Eval : A Semantic Comprehension Evaluation Framework for Large Language Models Generation without Training (2025.acl-long)

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Challenge: Large language models (LLMs) have emerged as key drivers of progress in the field of natural language processing.
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DTS-SQL: Decomposed Text-to-SQL with Small Large Language Models (2024.findings-emnlp)

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Challenge: relying on proprietary Large Language Models poses privacy and cost implications for models.
Approach: They propose a two-stage fine-tuning approach that breaks down the task into two simpler tasks.
Outcome: The proposed method achieves 60.31% execution accuracy on Bird hold-out test set . it is the highest performance among methods using 7B parameter models .

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