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From Information to Knowledge: Harvesting Entities and Relationships from Web Sources
Summary: Tutorial surveying methods to automatically harvest entities, classes, relations and temporal contexts from semi-structured and natural-language Web sources (e.g., Wikipedia, DBpedia, YAGO) into high-precision, high-recall knowledge bases. Discusses extraction/integration pipelines, maintenance, evaluation, and open research challenges.
(summarized by gpt-5-mini on Feb 09 2026)
- Paper ID
- 1508
- Venue
- PODS
- Year
- 2010
- Pagerank
- 5.3854745e-05
- Overall Rank
- 5,662 | 60.65%
- DOI
-
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Incoming Non-self Citations Over Time
Incoming Citations (Sorted by Pagerank)
Showing 3 of 3 citing papers.
Outgoing Citations (Sorted by Pagerank)
Showing 24 of 24 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank |
Cited Paper |
Year |
Venue |
Pagerank |
| 108 |
WebTables: Exploring the Power of Tables on the Web |
2008 |
VLDB |
0.00048345996 |
| 289 |
Declarative Information Extraction
Using Datalog with Embedded Extraction Predicates |
2007 |
VLDB |
0.00028865317 |
| 321 |
Record Linkage: Similarity Measures and Algorithms |
2006 |
SIGMOD |
0.00027524716 |
| 519 |
Data Integration for the Relational Web |
2009 |
VLDB |
0.00021148006 |
| 534 |
RoadRunner: Towards Automatic Data Extraction from Large Web Sites |
2001 |
VLDB |
0.00020739037 |
| 586 |
Extracting Structured Data from Web Pages |
2003 |
SIGMOD |
0.0001963091 |
| 718 |
Data Integration with Uncertainty |
2007 |
VLDB |
0.00017558942 |
| 759 |
To Search or to Crawl? Towards a Query Optimizer for Text-Centric Tasks |
2006 |
SIGMOD |
0.00017041917 |
| 1,094 |
The Lixto Data Extraction Project - Back and Forth between Theory and Practice |
2004 |
PODS |
0.00014105105 |
| 1,140 |
EntityRank: Searching Entities Directly and Holistically |
2007 |
VLDB |
0.00013709412 |
| 1,212 |
RDF-3X: a RISC-style Engine for RDF |
2008 |
VLDB |
0.00013255692 |
| 1,251 |
Principles of Dataspace Systems |
2006 |
PODS |
0.0001302453 |
| 1,316 |
Harvesting Relational Tables from Lists on the Web |
2009 |
VLDB |
0.00012616422 |
| 1,716 |
Building Structured Web Community Portals: A Top-Down, Compositional, and Incremental Approach |
2007 |
VLDB |
0.00010772386 |
| 1,954 |
Leveraging Data and Structure in Ontology Integration |
2007 |
SIGMOD |
9.9662731e-05 |
| 1,982 |
Snowball: A Prototype System for Extracting Relations from Large Text Collections |
2001 |
SIGMOD |
9.8709804e-05 |
| 2,071 |
DBLife: A Community Information Management Platform for the Database Research Community |
2007 |
CIDR |
9.6311384e-05 |
| 2,704 |
Visual Web Information Extraction with Lixto* |
2001 |
VLDB |
8.2680535e-05 |
| 2,760 |
A Relational Approach to Incrementally Extracting and Querying Structure in Unstructured Data |
2007 |
VLDB |
8.1640002e-05 |
| 3,935 |
Extracting and Querying a Comprehensive Web Database |
2009 |
CIDR |
6.6130211e-05 |
| 3,987 |
A First Tutorial on Dataspaces |
2008 |
VLDB |
6.5563129e-05 |
| 4,156 |
Uncertainty Management in Rule-Based Information Extraction Systems |
2009 |
SIGMOD |
6.3947765e-05 |
| 4,956 |
Mining Document Collections to Facilitate Accurate Approximate Entity Matching |
2009 |
VLDB |
5.8044716e-05 |
| 9,634 |
Optimizing Complex Extraction Programs over Evolving Text Data |
2009 |
SIGMOD |
4.3076859e-05 |
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| Overall Rank |
Paper |
Year |
Venue |
Pagerank |
| 9,429 |
Database Principles in Information Extraction |
2014 |
PODS |
4.3399748e-05 |
| 8,692 |
Effective Entity Augmentation By Querying External Data Sources |
2023 |
VLDB |
4.4617233e-05 |
| 3,232 |
InfoGather+: Semantic Matching and Annotation of Numeric and Time-Varying Attributes in Web Tables |
2013 |
SIGMOD |
7.3324293e-05 |
| 4,630 |
Knowledge Graphs 2021: A Data Odyssey |
2021 |
VLDB |
6.030304e-05 |
| 11,914 |
Knowledge Curation and Knowledge Fusion: Challenges, Models, and Applications |
2015 |
SIGMOD |
4.1905499e-05 |
| 11,783 |
Building Structured Databases of Factual Knowledge from Massive Text Corpora |
2017 |
SIGMOD |
4.1905499e-05 |
| 420 |
InfoGather: Entity Augmentation and Attribute Discovery By Holistic Matching with Web Tables |
2012 |
SIGMOD |
0.00023700634 |
| 4,297 |
NAGA: Harvesting, Searching and Ranking Knowledge |
2008 |
SIGMOD |
6.2824978e-05 |
| 365 |
Annotating and Searching Web Tables Using Entities, Types and Relationships |
2010 |
VLDB |
0.00025616694 |
| 12,052 |
Knowledge Harvesting in the Big-Data Era |
2013 |
SIGMOD |
4.1905499e-05 |