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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
9.2443028e-05
Overall Rank
1,990 | 86.63%
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 27 of 27 citing papers.

Rank Citing Paper Year Venue Pagerank
1,854 Semantics-aware Dataset Discovery from Data Lakes with Contextualized Column-based Representation Learning 2023 VLDB 9.4961138e-05
1,929 CHORUS: Foundation Models for Unified Data Discovery and Exploration 2024 VLDB 9.3551286e-05
4,159 Integrating Data Lake Tables 2023 VLDB 6.7687144e-05
4,213 Magneto: Combining Small and Large Language Models for Schema Matching 2025 VLDB 6.7281505e-05
4,411 LakeBench: A Benchmark for Discovering Joinable and Unionable Tables in Data Lakes 2024 VLDB 6.6089506e-05
4,591 ArcheType: A Novel Framework for Open-Source Column Type Annotation using Large Language Models 2024 VLDB 6.5113872e-05
7,771 LakeCompass: An End-to-End System for Data Maintenance, Search and Analysis in Data Lakes 2024 VLDB 5.453953e-05
8,582 OmniMatch: Joinability Discovery in Data Products 2025 VLDB 5.3097022e-05
9,252 R2D2: Reducing Redundancy and Duplication in Data Lakes 2023 SIGMOD 5.2032182e-05
10,510 Shape-Agnostic Table Overlap Discovery: A Maximum Common Subhypergraph Approach 2026 SIGMOD 4.9769913e-05
10,606 Retrieve-and-Verify: A Table Context Selection Framework for Accurate Column Annotations 2026 SIGMOD 4.9769913e-05
10,631 AutoDDG: Automated Dataset Description Generation using Large Language Models 2026 SIGMOD 4.9769913e-05
10,684 Qualitative Join Discovery in Data Lakes using Examples 2026 SIGMOD 4.9769913e-05
10,782 Human-Centered Exploration of Table Unionability 2026 VLDB 4.9769913e-05
10,826 FedAugment: Table Augmentation Search over Decentralized Data Repositories 2026 VLDB 4.9769913e-05
10,903 MosaicJoin: Compact Semantic Sketches for Value-Level Join Discovery 2026 VLDB 4.9769913e-05
11,025 Lory-j: Location-aware Join Discovery from Data Lakes 2026 VLDB 4.9769913e-05
11,209 Table Overlap Estimation through Graph Embeddings 2025 SIGMOD 4.9769913e-05
11,264 Birdie: Natural Language-Driven Table Discovery Using Differentiable Search Index 2025 VLDB 4.9769913e-05
11,292 CatDB: Data-catalog-guided, LLM-based Generation of Data-centric ML Pipelines 2025 VLDB 4.9769913e-05
11,303 OpenForge: Probabilistic Metadata Integration 2025 VLDB 4.9769913e-05
11,331 LakeVisage: Towards Scalable, Flexible and Interactive Visualization Recommendation for Data Discovery over Data Lakes 2025 VLDB 4.9769913e-05
11,419 TableCopilot: A Table Assistant Empowered by Natural Language Conditional Table Discovery 2025 VLDB 4.9769913e-05
11,535 Unstructured Data Fusion for Schema and Data Extraction 2024 SIGMOD 4.9769913e-05
11,596 Enriching Relations with Additional Attributes for ER 2024 VLDB 4.9769913e-05
11,604 Searching Data Lakes for Nested and Joined Data 2024 VLDB 4.9769913e-05
11,628 Navigating Data Repositories: Utilizing Line Charts to Discover Relevant Datasets 2024 VLDB 4.9769913e-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
316 Annotating and Searching Web Tables Using Entities, Types and Relationships 2010 VLDB 0.00021212425
377 TURL: Table Understanding through Representation Learning 2021 VLDB 0.00019564011
484 Data Integration for the Relational Web 2009 VLDB 0.00017541069
624 Data Lake Management: Challenges and Opportunities 2019 VLDB 0.00015476813
718 Finding Related Tables 2012 SIGMOD 0.00014526813
757 Recovering Semantics of Tables on the Web 2011 VLDB 0.00014199305
765 Table Union Search on Open Data 2018 VLDB 0.00014119196
1,141 Latent Semantic Indexing: A Probabilistic Analysis 1998 PODS 0.00011847001
1,293 Finding Related Tables in Data Lakes for Interactive Data Science 2020 SIGMOD 0.00011144991
1,319 LSH Ensemble: Internet-Scale Domain Search 2016 VLDB 0.00011042864
1,391 Creating Embeddings of Heterogeneous Relational Datasets for Data Integration Tasks 2020 SIGMOD 0.00010812249
1,778 Annotating Columns with Pre-trained Language Models 2022 SIGMOD 9.6578031e-05
2,093 Sato: Contextual Semantic Type Detection in Tables 2020 VLDB 9.0593586e-05
2,160 Open Data Integration 2018 VLDB 8.9373643e-05
2,352 Schema Extraction for Tabular Data on the Web 2013 VLDB 8.5888676e-05
3,255 Stitching Web Tables for Improving Matching Quality 2017 VLDB 7.4864653e-05
4,020 CLAMS: Bringing Quality to Data Lakes 2016 SIGMOD 6.8481527e-05
5,109 Data-Driven Domain Discovery for Structured Datasets 2020 VLDB 6.2679672e-05
8,962 QuTE: Answering Quantity Queries from Web Tables 2021 SIGMOD 5.2488825e-05
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