WebTables: Exploring the Power of Tables on the Web

Summary: Mines 14.1B web tables to identify 154M high-quality relational datasets—an unprecedented corpus. WebTables adds table-specific search and AcsDB corpus statistics, enabling schema autocomplete, synonym discovery, and join-graph navigation. (summarized by gpt-5.6-luna on Jul 24 2026)

Paper ID: 9885
Venue: VLDB
Year: 2008
Pagerank: 0.00034838835
Overall Rank: 91 | 99.38%
DOI: 10.14778/1454159.1454166

Incoming Non-self Citations Over Time

Authors

1. Michael J. Cafarella (University of Washington)
2. Alon Halevy (Google)
3. Daisy Zhe Wang (University of California Berkeley)
4. Eugene Wu (Massachusetts Institute of Technology)
5. Yang Zhang (Massachusetts Institute of Technology)

BibTeX Citation

@article{cafarella_vldb08,
        title = {{WebTables: Exploring the Power of Tables on the Web}},
        author = {Cafarella, Michael J. and Halevy, Alon and Wang, Daisy Zhe and Wu, Eugene and Zhang, Yang},
        journal = {PVLDB},
        series = {{VLDB} '08},
        volume = {1},
        number = {1},
        pages = {538--549},
        doi = {10.14778/1454159.1454166},
        url = {https://doi.org/10.14778/1454159.1454166},
        year = {2008}
}

Incoming Citations (Sorted by Pagerank)

Showing 35 of 85 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
6,011	From Information to Knowledge: Harvesting Entities and Relationships from Web Sources	2010	PODS	6.0105397e-05
6,320	CERES: Distantly Supervised Relation Extraction from the Semi-Structured Web	2018	VLDB	5.9150411e-05
6,436	Synthesizing Type-Detection Logic for Rich Semantic Data Types using Open-source Code	2018	SIGMOD	5.8793793e-05
6,522	Knowledge Verification for Long-Tail Verticals	2017	VLDB	5.8518748e-05
6,573	Web Data Management	2011	SIGMOD	5.8371536e-05
6,931	Automatically Incorporating New Sources in Keyword Search-Based Data Integration	2010	SIGMOD	5.736358e-05
7,065	Dataset Relationship Management	2019	CIDR	5.7123431e-05
7,220	Solo: Data Discovery Using Natural Language Questions Via A Self-Supervised Approach	2023	SIGMOD	5.6679948e-05
7,228	Mind the Data Gap: Bridging LLMs to Enterprise Data Integration	2025	CIDR	5.66667e-05
7,482	Table Extraction and Understanding for Scientific and Enterprise Applications	2020	VLDB	5.6078973e-05
7,575	Scalable Column Concept Determination for Web Tables Using Large Knowledge Bases	2013	VLDB	5.5937684e-05
7,628	User Guidance for Efficient Fact Checking	2019	VLDB	5.5798467e-05
7,969	DEXTER: Large-Scale Discovery and Extraction of Product Specifications on the Web	2015	VLDB	5.5165897e-05
8,131	Applying WebTables in Practice	2015	CIDR	5.4816838e-05
8,246	Automatic Web-Scale Information Extraction	2012	SIGMOD	5.4574671e-05
8,860	Watchog: A Light-weight Contrastive Learning based Framework for Column Annotation	2023	SIGMOD	5.3564029e-05
8,921	Generations of Knowledge Graphs: The Crazy Ideas and the Business Impact	2023	VLDB	5.3483178e-05
9,268	Knowledge Exploration Using Tables on the Web	2017	VLDB	5.295208e-05
9,395	Web Record Extraction with Invariants	2023	VLDB	5.2755515e-05
9,972	Cents: A Flexible and Cost-Effective Framework for LLM-Based Table Understanding	2025	VLDB	5.1845938e-05
10,287	Shape-Agnostic Table Overlap Discovery: A Maximum Common Subhypergraph Approach	2026	SIGMOD	5.093636e-05
11,167	Determining the Largest Overlap between Tables	2024	SIGMOD	5.093636e-05
11,270	Searching Data Lakes for Nested and Joined Data	2024	VLDB	5.093636e-05
11,542	Simplifying Access to Large-scale Structured Datasets by Meta-Profiling with Scalable Training Set Enrichment	2022	SIGMOD	5.093636e-05
11,589	Blueprint: A Constraint-solving Approach For Document Extraction	2022	VLDB	5.093636e-05
11,960	Constraint-based Explanation and Repair of Filter-based Transformations	2018	VLDB	5.093636e-05
11,980	Building Structured Databases of Factual Knowledge from Massive Text Corpora	2017	SIGMOD	5.093636e-05
12,092	Looking at Everything in Context	2015	CIDR	5.093636e-05
12,109	Demonstrating "Data Near Here": Scientific Data Search	2015	SIGMOD	5.093636e-05
12,137	Annotating Database Schemas to Help Enterprise Search	2015	VLDB	5.093636e-05
12,366	Schema-As-You-Go: On Probabilistic Tagging and Querying of Wide Tables	2011	SIGMOD	5.093636e-05
12,451	QUICK: Expressive and Flexible Search over Knowledge Bases and Text Collections	2010	VLDB	5.093636e-05
12,495	Privacy Preservation of Aggregates in Hidden Databases: Why and How?	2009	SIGMOD	5.093636e-05
12,514	Vispedia: On-demand Data Integration for Interactive Visualization and Exploration	2009	SIGMOD	5.093636e-05
13,750	Answering Web Questions Using Structured Data - Dream or Reality?	2009	VLDB	-

Outgoing Citations (Sorted by Pagerank)

Showing 6 of 6 cited papers.

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

Rank	Cited Paper	Year	Venue	Pagerank
37	DISCOVER: Keyword Search in Relational Databases	2002	VLDB	0.00048017193
263	Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach	2001	SIGMOD	0.0002305693
297	Generic Schema Matching with Cupid	2001	VLDB	0.00022157284
1,305	Assisted Querying using Instant-Response Interfaces	2007	SIGMOD	0.00011235196
2,743	Snowball: A Prototype System for Extracting Relations from Large Text Collections	2001	SIGMOD	8.1801198e-05
2,916	Knocking the Door to the Deep Web: Integrating Web Query Interfaces	2004	SIGMOD	7.9664495e-05

Semantically Similar Papers

#	Overall Rank	Paper	Year	Venue
1	2,096	An Analysis of Structured Data on the Web	2012	VLDB
2	5,732	Effective Keyword-based Selection of Relational Databases	2007	SIGMOD
3	8,136	Answering Web Queries Using Structured Data Sources	2009	SIGMOD
4	739	Finding Related Tables	2012	SIGMOD
5	1,316	Harvesting Relational Tables from Lists on the Web	2009	VLDB
6	753	Recovering Semantics of Tables on the Web	2011	VLDB
7	1,055	Answering Table Queries on the Web using Column Keywords	2012	VLDB
8	2,415	Schema Extraction for Tabular Data on the Web	2013	VLDB
9	317	Annotating and Searching Web Tables Using Entities, Types and Relationships	2010	VLDB
10	8,131	Applying WebTables in Practice	2015	CIDR