Triple

T14113840
Position Surface form Disambiguated ID Type / Status
Subject Leiden Observatory E339711 entity
Predicate hasResearcher P28320 FINISHED
Object Leendert Woltjer
Leendert Woltjer was a Dutch astronomer and astrophysicist best known for serving as Director General of the European Southern Observatory and for his influential work on galactic structure and magnetism.
E1079625 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Leendert Woltjer | Statement: [Leiden Observatory, hasResearcher, Leendert Woltjer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Leendert Woltjer
Context triple: [Leiden Observatory, hasResearcher, Leendert Woltjer]
  • A. Frits van der Meer
    Frits van der Meer is a notable individual, likely recognized for significant contributions in his professional or public field.
  • B. Hendrik van der Meer
    Hendrik van der Meer is a person notable enough to be recognized as a bearer of the Dutch surname "van der Meer."
  • C. Johannes van der Meer
    Johannes van der Meer is another name for Johannes Vermeer, the renowned 17th-century Dutch painter celebrated for his masterful use of light and intimate domestic interior scenes.
  • D. Willem Bilderdijk
    Willem Bilderdijk was a Dutch poet, historian, and linguist of the late 18th and early 19th centuries, known for his conservative views and significant influence on Dutch Romantic literature.
  • E. Aart J. de Geus
    Aart J. de Geus is a pioneering electronic design automation (EDA) engineer and co-founder of Synopsys, recognized as a leading innovator in the semiconductor industry.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Leendert Woltjer
Triple: [Leiden Observatory, hasResearcher, Leendert Woltjer]
Generated description
Leendert Woltjer was a Dutch astronomer and astrophysicist best known for serving as Director General of the European Southern Observatory and for his influential work on galactic structure and magnetism.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Leendert Woltjer
Target entity description: Leendert Woltjer was a Dutch astronomer and astrophysicist best known for serving as Director General of the European Southern Observatory and for his influential work on galactic structure and magnetism.
  • A. Frits van der Meer
    Frits van der Meer is a notable individual, likely recognized for significant contributions in his professional or public field.
  • B. Hendrik van der Meer
    Hendrik van der Meer is a person notable enough to be recognized as a bearer of the Dutch surname "van der Meer."
  • C. Johannes van der Meer
    Johannes van der Meer is another name for Johannes Vermeer, the renowned 17th-century Dutch painter celebrated for his masterful use of light and intimate domestic interior scenes.
  • D. Willem Bilderdijk
    Willem Bilderdijk was a Dutch poet, historian, and linguist of the late 18th and early 19th centuries, known for his conservative views and significant influence on Dutch Romantic literature.
  • E. Aart J. de Geus
    Aart J. de Geus is a pioneering electronic design automation (EDA) engineer and co-founder of Synopsys, recognized as a leading innovator in the semiconductor industry.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d81c6a95b481909e39111e0c1f31ee completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de600f992c81908133813f2894dcca completed April 14, 2026, 3:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69fcd0b881388190a5bcdd87fd10c516 completed May 7, 2026, 5:49 p.m.
NEDg Description generation batch_69fcd2d99c4c8190baf15d470ead7b1c completed May 7, 2026, 5:58 p.m.
NED2 Entity disambiguation (via description) batch_69fcd3853e848190a210d1c8c08bd6cc completed May 7, 2026, 6:01 p.m.
Created at: April 9, 2026, 10:22 p.m.