TUTA: Tree-based Transformers for Generally Structured Table Pre-training
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Abstract (arXiv)
Tables are widely used with various structures to organize and present data. Recent attempts on table understanding mainly focus on relational tables, yet overlook to other common table structures. In this paper, we propose TUTA, a unified pre-training architecture for understanding generally structured tables. Noticing that understanding a table requires spatial, hierarchical, and semantic information, we enhance transformers with three novel structure-aware mechanisms. First, we devise a unified tree-based structure, called a bi-dimensional coordinate tree, to describe both the spatial and hierarchical information of generally structured tables. Upon this, we propose tree-based attention and position embedding to better capture the spatial and hierarchical information. Moreover, we devise three progressive pre-training objectives to enable representations at the token, cell, and table levels. We pre-train TUTA on a wide range of unlabeled web and spreadsheet tables and fine-tune it on two critical tasks in the field of table structure understanding: cell type classification and table type classification. Experiments show that TUTA is highly effective, achieving state-of-the-art on five widely-studied datasets.
Key facts. Cited by 100 papers in the map (data through 14 Oct 2026). First posted on arXiv 21 Oct 2020.
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Citing papers per year: 2021: 4; 2022: 22; 2023: 19; 2024: 21; 2025: 23; 2026: 11.
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- 2021TAPEX: Table Pre-training via Learning a Neural SQL Executorcited by 235
- 2022UnifiedSKG: Unifying and Multi-Tasking Structured Knowledge Grounding with Text-to-Text Language Modelscited by 231
- 2024Chain-of-Table: Evolving Tables in the Reasoning Chain for Table Understandingcited by 188
- 2024Large Language Models(LLMs) on Tabular Data: Prediction, Generation, and Understanding -- A Surveycited by 159
- 2023TableLlama: Towards Open Large Generalist Models for Tablescited by 137
- 2022MultiHiertt: Numerical Reasoning over Multi Hierarchical Tabular and Textual Datacited by 121
- 2023Table Meets LLM: Can Large Language Models Understand Structured Table Data? A Benchmark and Empirical Studycited by 116
- 2024A Comprehensive Survey of Scientific Large Language Models and Their Applications in Scientific Discoverycited by 96
- 2022TableFormer: Robust Transformer Modeling for Table-Text Encodingcited by 91
- 2022Towards Complex Document Understanding By Discrete Reasoningcited by 82
- 2023Generative Table Pre-training Empowers Models for Tabular Predictioncited by 55
- 2023Tabular Representation, Noisy Operators, and Impacts on Table Structure Understanding Tasks in LLMscited by 49
38 more
- 2022Table Pre-training: A Survey on Model Architectures, Pre-training Objectives, and Downstream Taskscited by 42
- 2021Annotating Columns with Pre-trained Language Modelscited by 37
- 2023HYTREL: Hypergraph-enhanced Tabular Data Representation Learningcited by 36
- 2023TAP4LLM: Table Provider on Sampling, Augmenting, and Packing Semi-structured Data for Large Language Model Reasoningcited by 32
- 2022PTab: Using the Pre-trained Language Model for Modeling Tabular Datacited by 30
- 2022OmniTab: Pretraining with Natural and Synthetic Data for Few-shot Table-based Question Answeringcited by 29
- 2022ReasTAP: Injecting Table Reasoning Skills During Pre-training via Synthetic Reasoning Examplescited by 29
- 2023UniTabE: A Universal Pretraining Protocol for Tabular Foundation Model in Data Sciencecited by 29
- 2025Large Language Models are Good Relational Learnerscited by 24
- 2024ProTrix: Building Models for Planning and Reasoning over Tables with Sentence Contextcited by 23
- 2022Table-To-Text generation and pre-training with TabT5cited by 20
- 2021FORTAP: Using Formulas for Numerical-Reasoning-Aware Table Pretrainingcited by 19
- 2024Language Modeling on Tabular Data: A Survey of Foundations, Techniques and Evolutioncited by 19
- 2022Tele-Knowledge Pre-training for Fault Analysiscited by 18
- 2025TableMaster: A Recipe to Advance Table Understanding with Language Modelscited by 18
- 2024SpreadsheetLLM: Encoding Spreadsheets for Large Language Modelscited by 17
- 2023Structure Pretraining and Prompt Tuning for Knowledge Graph Transfercited by 16
- 2025LLM/Agent-as-Data-Analyst: A Surveycited by 16
- 2022DeepJoin: Joinable Table Discovery with Pre-trained Language Modelscited by 15
- 2023Auto-Tables: Synthesizing Multi-Step Transformations to Relationalize Tables without Using Examplescited by 15
- 2025Multimodal Tabular Reasoning with Privileged Structured Informationcited by 15
- 2023API-Assisted Code Generation for Question Answering on Varied Table Structurescited by 14
- 2024PoTable: Towards Systematic Thinking via Plan-then-Execute Stage Reasoning on Tablescited by 14
- 2023Observatory: Characterizing Embeddings of Relational Tablescited by 12
- 2024Unlock the Potential of Large Language Models for Predictive Tabular Tasks in Data Science with Table-Specific Pretrainingcited by 12
- 2022Table Retrieval May Not Necessitate Table-specific Model Designcited by 11
- 2023LakeBench: Benchmarks for Data Discovery over Data Lakescited by 10
- 2023A Hierarchical Spatial Transformer for Massive Point Samples in Continuous Spacecited by 10
- 2024Accurate and Regret-aware Numerical Problem Solver for Tabular Question Answeringcited by 10
- 2025Tabular Data Understanding with LLMs: A Survey of Recent Advances and Challengescited by 10
- 2025Finch: Benchmarking Finance & Accounting across Spreadsheet-Centric Enterprise Workflowscited by 10
- 2024NL2Formula: Generating Spreadsheet Formulas from Natural Language Queriescited by 8
- 2025In-context Learning of Evolving Data Streams with Tabular Foundational Modelscited by 8
- 2023FormaT5: Abstention and Examples for Conditional Table Formatting with Natural Languagecited by 7
- 2025Hybrid Graphs for Table-and-Text based Question Answering using LLMscited by 7
- 2022Table Structure Recognition with Conditional Attentioncited by 6
- 2022Optimization Techniques for Unsupervised Complex Table Reasoning via Self-Training Frameworkcited by 6
- 2023PixT3: Pixel-based Table-To-Text Generationcited by 6
50 most cited of 100 All 100 (JSON)
- 2026Large Language Models for Automated Cross-Domain Machine Learning Task Type Identification: A Benchmark Dataset and Evaluation28 Sep 2026
- 2026Q&A on Any Spreadsheet Requires Interpreting Its Grid Structure17 Sep 2026
- 2026DeepTable: Structural Attention Biases and Tree Path Encoding for Hierarchical Table Understanding7 Sep 2026
- 2026Structured Prediction for Scalable Spreadsheet Table Understanding: From Cell Types to Table Ranges (Extended Version)17 Aug 2026
- 2026Generative Optimization for Incentivized Advertising with Global Level Constraints5 Aug 2026
- 2026Segment-driven Structural Induction and Semantic Alignment for Heterogeneous Tabular Representation1 Jun 2026
- 2026FormulaSPIN: Self-Play Fine-Tuning for Natural Language to Spreadsheet Formula Generation21 May 2026
- 2026When 2D Tasks Meet 1D Serialization: On Serialization Friction in Structured Tasks29 Apr 2026
- 2026Improving Robustness of Tabular Retrieval via Representational Stability27 Apr 2026
- 2026CONE: Embeddings for Complex Numerical Data Preserving Unit and Variable Semantics5 Mar 2026
- 2026Orthogonal Hierarchical Decomposition for Structure-Aware Table Understanding with Large Language Models2 Feb 2026
- 2025Finch: Benchmarking Finance & Accounting across Spreadsheet-Centric Enterprise Workflows15 Dec 2025
38 more
- 2025Oh That Looks Familiar: A Novel Similarity Measure for Spreadsheet Template Discovery10 Nov 2025
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- 2025LLM/Agent-as-Data-Analyst: A Survey28 Sep 2025
- 2025MachineLearningLM: Scaling Many-shot In-context Learning via Continued Pretraining8 Sep 2025
- 2025Improving Table Understanding with LLMs and Entity-Oriented Search23 Aug 2025
- 2025Planning for Success: Exploring LLM Long-term Planning Capabilities in Table Understanding23 Aug 2025
- 2025M3TQA: Massively Multilingual Multitask Table Question Answering22 Aug 2025
- 2025TASER: Table Agents for Schema-guided Extraction and Recommendation18 Aug 2025
- 2025Tabularis Formatus: Predictive Formatting for Tables14 Aug 2025
- 2025ITUNLP at SemEval-2025 Task 8: Question-Answering over Tabular Data: A Zero-Shot Approach using LLM-Driven Code Generation1 Aug 2025
- 2025Tabular Data Understanding with LLMs: A Survey of Recent Advances and Challenges31 Jul 2025
- 2025Toward Real-World Table Agents: Capabilities, Workflows, and Design Principles for LLM-based Table Intelligence14 Jul 2025
- 2025MAPLE: Multi-Agent Adaptive Planning with Long-Term Memory for Table Reasoning6 Jun 2025
- 2025Large Language Models are Good Relational Learners6 Jun 2025
- 2025Multimodal Tabular Reasoning with Privileged Structured Information4 Jun 2025
- 2025TableLoRA: Low-rank Adaptation on Table Structure Understanding for Large Language Models6 Mar 2025
- 2025Structural Deep Encoding for Table Question Answering3 Mar 2025
- 2025In-context Learning of Evolving Data Streams with Tabular Foundational Models24 Feb 2025
- 2025Tabular Embeddings for Tables with Bi-Dimensional Hierarchical Metadata and Nesting20 Feb 2025
- 2025Towards Question Answering over Large Semi-structured Tables19 Feb 2025
- 2025TableMaster: A Recipe to Advance Table Understanding with Language Models31 Jan 2025
- 2025Hybrid Graphs for Table-and-Text based Question Answering using LLMs29 Jan 2025
- 2024Piece of Table: A Divide-and-Conquer Approach for Selecting Subtables in Table Question Answering10 Dec 2024
- 2024PoTable: Towards Systematic Thinking via Plan-then-Execute Stage Reasoning on Tables5 Dec 2024
- 2024Accurate and Regret-aware Numerical Problem Solver for Tabular Question Answering10 Oct 2024
- 20242D-TPE: Two-Dimensional Positional Encoding Enhances Table Understanding for Large Language Models29 Sep 2024
- 2024Using Large Language Models to Generate Clinical Trial Tables and Figures18 Sep 2024
- 2024Seek and Solve Reasoning for Table Question Answering9 Sep 2024
- 2024DocTabQA: Answering Questions from Long Documents Using Tables21 Aug 2024
- 2024Language Modeling on Tabular Data: A Survey of Foundations, Techniques and Evolution20 Aug 2024
- 2024SpreadsheetLLM: Encoding Spreadsheets for Large Language Models12 Jul 2024
- 2024TabSketchFM: Sketch-based Tabular Representation Learning for Data Discovery over Data Lakes28 Jun 2024
- 2024A Comprehensive Survey of Scientific Large Language Models and Their Applications in Scientific Discovery16 Jun 2024
- 2024TabMDA: Tabular Manifold Data Augmentation for Any Classifier using Transformers with In-context Subsetting3 Jun 2024
- 2024Vision Language Models for Spreadsheet Understanding: Challenges and Opportunities25 May 2024
- 2024An Automatic Prompt Generation System for Tabular Data Tasks9 May 2024
- 2024Graph Neural Network Approach to Semantic Type Detection in Tables30 Apr 2024
- 2024Unlock the Potential of Large Language Models for Predictive Tabular Tasks in Data Science with Table-Specific Pretraining29 Mar 2024
50 newest of 100 All 100 (JSON)
- 2024Chain-of-Table: Evolving Tables in the Reasoning Chain for Table Understandingcited by 188
- 2023TAP4LLM: Table Provider on Sampling, Augmenting, and Packing Semi-structured Data for Large Language Model Reasoningcited by 32
- 2022ReasTAP: Injecting Table Reasoning Skills During Pre-training via Synthetic Reasoning Examplescited by 29
- 2024ProTrix: Building Models for Planning and Reasoning over Tables with Sentence Contextcited by 23
- 2025Multimodal Tabular Reasoning with Privileged Structured Informationcited by 15
- 2024PoTable: Towards Systematic Thinking via Plan-then-Execute Stage Reasoning on Tablescited by 14
- 2025MAPLE: Multi-Agent Adaptive Planning with Long-Term Memory for Table Reasoningcited by 4
- 2024Seek and Solve Reasoning for Table Question Answeringcited by 3
- 2025MachineLearningLM: Scaling Many-shot In-context Learning via Continued Pretrainingcited by 3
- 2026Orthogonal Hierarchical Decomposition for Structure-Aware Table Understanding with Large Language Modelscited by 1
- 2026Orthogonal Hierarchical Decomposition for Structure-Aware Table Understanding with Large Language Models2 Feb 2026
- 2025MachineLearningLM: Scaling Many-shot In-context Learning via Continued Pretraining8 Sep 2025
- 2025MAPLE: Multi-Agent Adaptive Planning with Long-Term Memory for Table Reasoning6 Jun 2025
- 2025Multimodal Tabular Reasoning with Privileged Structured Information4 Jun 2025
- 2024PoTable: Towards Systematic Thinking via Plan-then-Execute Stage Reasoning on Tables5 Dec 2024
- 2024Seek and Solve Reasoning for Table Question Answering9 Sep 2024
- 2024ProTrix: Building Models for Planning and Reasoning over Tables with Sentence Context4 Mar 2024
- 2024Chain-of-Table: Evolving Tables in the Reasoning Chain for Table Understanding9 Jan 2024
- 2023TAP4LLM: Table Provider on Sampling, Augmenting, and Packing Semi-structured Data for Large Language Model Reasoning14 Dec 2023
- 2022ReasTAP: Injecting Table Reasoning Skills During Pre-training via Synthetic Reasoning Examples22 Oct 2022
- 2021TAPEX: Table Pre-training via Learning a Neural SQL Executorcited by 235
- 2022UnifiedSKG: Unifying and Multi-Tasking Structured Knowledge Grounding with Text-to-Text Language Modelscited by 231
- 2024Large Language Models(LLMs) on Tabular Data: Prediction, Generation, and Understanding -- A Surveycited by 159
- 2023TableLlama: Towards Open Large Generalist Models for Tablescited by 137
- 2022MultiHiertt: Numerical Reasoning over Multi Hierarchical Tabular and Textual Datacited by 121
- 2023Table Meets LLM: Can Large Language Models Understand Structured Table Data? A Benchmark and Empirical Studycited by 116
- 2024A Comprehensive Survey of Scientific Large Language Models and Their Applications in Scientific Discoverycited by 96
- 2022TableFormer: Robust Transformer Modeling for Table-Text Encodingcited by 91
- 2022Towards Complex Document Understanding By Discrete Reasoningcited by 82
- 2023Generative Table Pre-training Empowers Models for Tabular Predictioncited by 55
- 2023Tabular Representation, Noisy Operators, and Impacts on Table Structure Understanding Tasks in LLMscited by 49
- 2022Table Pre-training: A Survey on Model Architectures, Pre-training Objectives, and Downstream Taskscited by 42
12 most cited of 84 All 84 (JSON)
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- 2026DeepTable: Structural Attention Biases and Tree Path Encoding for Hierarchical Table Understanding7 Sep 2026
- 2026Structured Prediction for Scalable Spreadsheet Table Understanding: From Cell Types to Table Ranges (Extended Version)17 Aug 2026
- 2026Generative Optimization for Incentivized Advertising with Global Level Constraints5 Aug 2026
- 2026Segment-driven Structural Induction and Semantic Alignment for Heterogeneous Tabular Representation1 Jun 2026
- 2026When 2D Tasks Meet 1D Serialization: On Serialization Friction in Structured Tasks29 Apr 2026
- 2026Improving Robustness of Tabular Retrieval via Representational Stability27 Apr 2026
- 2026CONE: Embeddings for Complex Numerical Data Preserving Unit and Variable Semantics5 Mar 2026
- 2025Finch: Benchmarking Finance & Accounting across Spreadsheet-Centric Enterprise Workflows15 Dec 2025
- 2025Oh That Looks Familiar: A Novel Similarity Measure for Spreadsheet Template Discovery10 Nov 2025
- 2025Table Question Answering in the Era of Large Language Models: A Comprehensive Survey of Tasks, Methods, and Evaluation8 Oct 2025
- 2025Improving Table Understanding with LLMs and Entity-Oriented Search23 Aug 2025
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