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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
6574
Venue
SIGMOD
Year
2023
Pagerank
8.7605101e-05
Overall Rank
2,315 | 84.12%
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 23 of 23 citing papers.

Rank Citing Paper Year Venue Pagerank
2,192 Semantics-aware Dataset Discovery from Data Lakes with Contextualized Column-based Representation Learning 2023 VLDB 8.9767241e-05
2,242 CHORUS: Foundation Models for Unified Data Discovery and Exploration 2024 VLDB 8.8823802e-05
4,123 Integrating Data Lake Tables 2023 VLDB 6.8878137e-05
4,515 ArcheType: A Novel Framework for Open-Source Column Type Annotation using Large Language Models 2024 VLDB 6.6492389e-05
5,293 Magneto: Combining Small and Large Language Models for Schema Matching 2025 VLDB 6.279939e-05
7,613 LakeCompass: An End-to-End System for Data Maintenance, Search and Analysis in Data Lakes 2024 VLDB 5.5817761e-05
7,893 LakeBench: A Benchmark for Discovering Joinable and Unionable Tables in Data Lakes 2024 VLDB 5.5209866e-05
9,065 R2D2: Reducing Redundancy and Duplication in Data Lakes 2023 SIGMOD 5.3251649e-05
10,287 Shape-Agnostic Table Overlap Discovery: A Maximum Common Subhypergraph Approach 2026 SIGMOD 5.093636e-05
10,399 Retrieve-and-Verify: A Table Context Selection Framework for Accurate Column Annotations 2026 SIGMOD 5.093636e-05
10,431 AutoDDG: Automated Dataset Description Generation using Large Language Models 2026 SIGMOD 5.093636e-05
10,486 Qualitative Join Discovery in Data Lakes using Examples 2026 SIGMOD 5.093636e-05
10,783 Table Overlap Estimation through Graph Embeddings 2025 SIGMOD 5.093636e-05
10,850 Birdie: Natural Language-Driven Table Discovery Using Differentiable Search Index 2025 VLDB 5.093636e-05
10,882 CatDB: Data-catalog-guided, LLM-based Generation of Data-centric ML Pipelines 2025 VLDB 5.093636e-05
10,897 OpenForge: Probabilistic Metadata Integration 2025 VLDB 5.093636e-05
10,933 LakeVisage: Towards Scalable, Flexible and Interactive Visualization Recommendation for Data Discovery over Data Lakes 2025 VLDB 5.093636e-05
10,987 OmniMatch: Joinability Discovery in Data Products 2025 VLDB 5.093636e-05
11,050 TableCopilot: A Table Assistant Empowered by Natural Language Conditional Table Discovery 2025 VLDB 5.093636e-05
11,186 Unstructured Data Fusion for Schema and Data Extraction 2024 SIGMOD 5.093636e-05
11,262 Enriching Relations with Additional Attributes for ER 2024 VLDB 5.093636e-05
11,270 Searching Data Lakes for Nested and Joined Data 2024 VLDB 5.093636e-05
11,303 Navigating Data Repositories: Utilizing Line Charts to Discover Relevant Datasets 2024 VLDB 5.093636e-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
317 Annotating and Searching Web Tables Using Entities, Types and Relationships 2010 VLDB 0.00021402049
397 TURL: Table Understanding through Representation Learning 2021 VLDB 0.00019278189
493 Data Integration for the Relational Web 2009 VLDB 0.00017558709
739 Finding Related Tables 2012 SIGMOD 0.0001448231
749 Data Lake Management: Challenges and Opportunities 2019 VLDB 0.00014379989
753 Recovering Semantics of Tables on the Web 2011 VLDB 0.00014336094
878 Table Union Search on Open Data 2018 VLDB 0.00013463374
1,119 Latent Semantic Indexing: A Probabilistic Analysis 1998 PODS 0.00012097985
1,303 Finding Related Tables in Data Lakes for Interactive Data Science 2020 SIGMOD 0.0001123653
1,402 Creating Embeddings of Heterogeneous Relational Datasets for Data Integration Tasks 2020 SIGMOD 0.00010888094
1,495 LSH Ensemble: Internet-Scale Domain Search 2016 VLDB 0.00010571481
1,923 Annotating Columns with Pre-trained Language Models 2022 SIGMOD 9.4789109e-05
2,216 Open Data Integration 2018 VLDB 8.9374127e-05
2,223 Sato: Contextual Semantic Type Detection in Tables 2020 VLDB 8.9189986e-05
2,415 Schema Extraction for Tabular Data on the Web 2013 VLDB 8.6069635e-05
3,301 Stitching Web Tables for Improving Matching Quality 2017 VLDB 7.5408662e-05
4,201 CLAMS: Bringing Quality to Data Lakes 2016 SIGMOD 6.8355878e-05
5,125 Data-Driven Domain Discovery for Structured Datasets 2020 VLDB 6.356638e-05
8,886 QuTE: Answering Quantity Queries from Web Tables 2021 SIGMOD 5.351298e-05
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