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SANTOS: Relationship-based Semantic Table Union Search

Summary: SANTOS: relationship-based semantic table union search; unionability via inter-column relationships and column semantics. Two methods: KB-driven relation extraction and a data-lake synthesized KB; outperforms column-based union search on open benchmarks. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
ha3f08f68ee04d914
Venue
SIGMOD
Year
2023
Pagerank
9.3458857e-05
Overall Rank
1,929 | 87.08%
DOI
10.1145/3588689

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{khatiwada_sigmod23,
        title = {{SANTOS: Relationship-based Semantic Table Union Search}},
        author = {Khatiwada, Aamod and Fan, Grace and Shraga, Roee and Chen, Zixuan and Gatterbauer, Wolfgang and Miller, Renée J. and Riedewald, Mirek},
        series = {{SIGMOD} '23},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3588689},
        url = {https://dl.acm.org/doi/10.1145/3588689},
        year = {2023}
}

Incoming Citations (Sorted by Pagerank)

Showing 28 of 28 citing papers.

Rank Citing Paper Year Venue Pagerank
1,742 Semantics-aware Dataset Discovery from Data Lakes with Contextualized Column-based Representation Learning 2023 VLDB 9.7283207e-05
1,838 CHORUS: Foundation Models for Unified Data Discovery and Exploration 2024 VLDB 9.5195856e-05
4,047 Magneto: Combining Small and Large Language Models for Schema Matching 2025 VLDB 6.8177935e-05
4,158 Integrating Data Lake Tables 2023 VLDB 6.7595989e-05
4,335 ArcheType: A Novel Framework for Open-Source Column Type Annotation using Large Language Models 2024 VLDB 6.6432811e-05
4,419 LakeBench: A Benchmark for Discovering Joinable and Unionable Tables in Data Lakes 2024 VLDB 6.5905711e-05
7,785 LakeCompass: An End-to-End System for Data Maintenance, Search and Analysis in Data Lakes 2024 VLDB 5.4359188e-05
8,599 OmniMatch: Joinability Discovery in Data Products 2025 VLDB 5.2921451e-05
9,276 R2D2: Reducing Redundancy and Duplication in Data Lakes 2023 SIGMOD 5.1860131e-05
9,838 Retrieve-and-Verify: A Table Context Selection Framework for Accurate Column Annotations 2026 SIGMOD 5.1064323e-05
9,842 CatDB: Data-catalog-guided, LLM-based Generation of Data-centric ML Pipelines 2025 VLDB 5.1064323e-05
10,095 Table Overlap Estimation through Graph Embeddings 2025 SIGMOD 5.068372e-05
10,380 Alignment-Guided Largest Table Overlap Size Estimation 2027 SIGMOD 4.9605343e-05
10,576 Shape-Agnostic Table Overlap Discovery: A Maximum Common Subhypergraph Approach 2026 SIGMOD 4.9605343e-05
10,692 AutoDDG: Automated Dataset Description Generation using Large Language Models 2026 SIGMOD 4.9605343e-05
10,745 Qualitative Join Discovery in Data Lakes using Examples 2026 SIGMOD 4.9605343e-05
10,843 Human-Centered Exploration of Table Unionability 2026 VLDB 4.9605343e-05
10,887 FedAugment: Table Augmentation Search over Decentralized Data Repositories 2026 VLDB 4.9605343e-05
10,964 MosaicJoin: Compact Semantic Sketches for Value-Level Join Discovery 2026 VLDB 4.9605343e-05
11,086 Lory-j: Location-aware Join Discovery from Data Lakes 2026 VLDB 4.9605343e-05
11,320 Birdie: Natural Language-Driven Table Discovery Using Differentiable Search Index 2025 VLDB 4.9605343e-05
11,358 OpenForge: Probabilistic Metadata Integration 2025 VLDB 4.9605343e-05
11,385 LakeVisage: Towards Scalable, Flexible and Interactive Visualization Recommendation for Data Discovery over Data Lakes 2025 VLDB 4.9605343e-05
11,472 TableCopilot: A Table Assistant Empowered by Natural Language Conditional Table Discovery 2025 VLDB 4.9605343e-05
11,584 Unstructured Data Fusion for Schema and Data Extraction 2024 SIGMOD 4.9605343e-05
11,644 Enriching Relations with Additional Attributes for ER 2024 VLDB 4.9605343e-05
11,651 Searching Data Lakes for Nested and Joined Data 2024 VLDB 4.9605343e-05
11,675 Navigating Data Repositories: Utilizing Line Charts to Discover Relevant Datasets 2024 VLDB 4.9605343e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 19 of 19 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
314 Annotating and Searching Web Tables Using Entities, Types and Relationships 2010 VLDB 0.0002126519
366 TURL: Table Understanding through Representation Learning 2021 VLDB 0.00019902067
484 Data Integration for the Relational Web 2009 VLDB 0.00017535511
623 Data Lake Management: Challenges and Opportunities 2019 VLDB 0.00015446839
705 Finding Related Tables 2012 SIGMOD 0.00014626858
753 Recovering Semantics of Tables on the Web 2011 VLDB 0.00014228161
758 Table Union Search on Open Data 2018 VLDB 0.00014200657
1,141 Latent Semantic Indexing: A Probabilistic Analysis 1998 PODS 0.000118131
1,268 Finding Related Tables in Data Lakes for Interactive Data Science 2020 SIGMOD 0.00011243615
1,325 LSH Ensemble: Internet-Scale Domain Search 2016 VLDB 0.000110184
1,348 Creating Embeddings of Heterogeneous Relational Datasets for Data Integration Tasks 2020 SIGMOD 0.00010943046
1,690 Annotating Columns with Pre-trained Language Models 2022 SIGMOD 9.8426663e-05
1,985 Sato: Contextual Semantic Type Detection in Tables 2020 VLDB 9.2378767e-05
2,097 Open Data Integration 2018 VLDB 9.0397587e-05
2,289 Schema Extraction for Tabular Data on the Web 2013 VLDB 8.6813411e-05
3,231 Stitching Web Tables for Improving Matching Quality 2017 VLDB 7.4899308e-05
4,016 CLAMS: Bringing Quality to Data Lakes 2016 SIGMOD 6.8370819e-05
5,090 Data-Driven Domain Discovery for Structured Datasets 2020 VLDB 6.265808e-05
8,969 QuTE: Answering Quantity Queries from Web Tables 2021 SIGMOD 5.2354133e-05
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