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openthebox.be - smart publications
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Niek Bartholomeus
October 02, 2019
Technology
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170
openthebox.be - smart publications
Extracting deep insights from boring documents: a real-life story
Niek Bartholomeus
October 02, 2019
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Transcript
openthebox.be Extracting deep insights from 'boring' documents: a real-life story
Me Niek Bartholomeus @niekbartho • Background as a software developer
• Switched to data science and natural language processing in 2016 • Founded openthebox.be in 2017
openthebox.be
openthebox.be Open data KBO NBB Belgian Official Gazette http://kbopub.economie.fgov.be/kbopub https://cri.nbb.be/bc9/web/catalog
http://www.ejustice.just.fgov.be/ tsv/tsvn.htm
knowledge graph Visualization Analytics Machine learning Knowledge graph Structured data
Unstructured data KBO NBB Belgian Official Gazette
Unstructured data - pipeline
Unstructured data - pipeline steps 1] OCR 2] NER 4]
Entity linking 3] Relation extraction
Unstructured data - pipeline steps 1] OCR
Unstructured data - pipeline steps 2] NER
Unstructured data - pipeline steps 2] NER Pre-processing rules: [“1.Jan”,
“Janssens”] 1.Jan Janssens [“Marktstraat”, “54,8450”, “Bredene”] Marktstraat 54,8450 Bredene
Unstructured data - pipeline steps 2] NER Post-processing rules: +
= General rules Legal rules Historic probabilities Faulty publication Context Improved publication
Unstructured data - pipeline steps 2] NER Organization Person Inheritance:
Notary Owner Representative Proxy holder Administrator Author : “is a” relationship Base labels Subclass labels
Unstructured data - pipeline steps 2] NER Gentstraat 69 Niek
Roger Camiel Bartholomeus Sub entity extraction: First name: Niek Middle names: Roger, Camiel Last name: Bartholomeus 9170 Sint-Pauwels Street: Gentstraat Number: 69 Zip code: 9170 City: Sint-Pauwels
Unstructured data - pipeline steps 3] Relation extraction
Unstructured data - pipeline steps 4] Entity linking
Unstructured data - pipeline steps Niek Roger Camiel Bartholomeus Niek
Bartholomeus N. Bartholomeus Bartholomeus } Niek Roger Camiel Bartholomeus Deduplication: 4] Entity linking
Unstructured data - pipeline steps Niek Roger Camiel Bartholomeus Link
with knowledge graph: Gentstraat 69 9170 Sint-Pauwels 4] Entity linking
openthebox.be
openthebox.be Bigger picture
openthebox.be http://wpmlabs.com/ Academia Industry https://www.filter-concept.com/ +
openthebox.be https://opensenselabs.com