Triple

T9360651
Position Surface form Disambiguated ID Type / Status
Subject Pulkovo Observatory E225267 entity
Predicate director P255 FINISHED
Object Viktor Ambartsumian
Viktor Ambartsumian was a prominent Soviet-Armenian astrophysicist and one of the founders of theoretical astrophysics, known for his pioneering work on stellar associations and active galactic nuclei.
 E794143 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: Viktor Ambartsumian | Statement: [Pulkovo Observatory, director, Viktor Ambartsumian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Viktor Ambartsumian
Context triple: [Pulkovo Observatory, director, Viktor Ambartsumian]
  • A. Hrant Markarian
    Hrant Markarian is an Armenian politician and influential figure in Armenian diaspora politics who has played a key leadership role in the Armenian Revolutionary Federation.
  • B. Sergei Gaposchkin
    Sergei Gaposchkin was a Russian-American astronomer known for his collaborative work with his wife Cecilia Payne-Gaposchkin on variable stars and stellar photometry.
  • C. Arthur Tarkhanyan
    Arthur Tarkhanyan was a prominent Armenian architect best known for co-designing the Tsitsernakaberd Armenian Genocide Memorial complex in Yerevan.
  • D. Rashid Sunyaev
    Rashid Sunyaev is a prominent Russian-German astrophysicist known for his pioneering work on the cosmic microwave background and the Sunyaev–Zel'dovich effect, which describes the distortion of this background radiation by galaxy clusters.
  • E. Vasily Struve
    Vasily Struve was a prominent Russian astronomer of the 19th century, renowned for his pioneering work in stellar astronomy and precise measurements of double stars.
  • 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: Viktor Ambartsumian
Triple: [Pulkovo Observatory, director, Viktor Ambartsumian]
Generated description
Viktor Ambartsumian was a prominent Soviet-Armenian astrophysicist and one of the founders of theoretical astrophysics, known for his pioneering work on stellar associations and active galactic nuclei.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Viktor Ambartsumian
Target entity description: Viktor Ambartsumian was a prominent Soviet-Armenian astrophysicist and one of the founders of theoretical astrophysics, known for his pioneering work on stellar associations and active galactic nuclei.
  • A. Hrant Markarian
    Hrant Markarian is an Armenian politician and influential figure in Armenian diaspora politics who has played a key leadership role in the Armenian Revolutionary Federation.
  • B. Sergei Gaposchkin
    Sergei Gaposchkin was a Russian-American astronomer known for his collaborative work with his wife Cecilia Payne-Gaposchkin on variable stars and stellar photometry.
  • C. Arthur Tarkhanyan
    Arthur Tarkhanyan was a prominent Armenian architect best known for co-designing the Tsitsernakaberd Armenian Genocide Memorial complex in Yerevan.
  • D. Rashid Sunyaev
    Rashid Sunyaev is a prominent Russian-German astrophysicist known for his pioneering work on the cosmic microwave background and the Sunyaev–Zel'dovich effect, which describes the distortion of this background radiation by galaxy clusters.
  • E. Vasily Struve
    Vasily Struve was a prominent Russian astronomer of the 19th century, renowned for his pioneering work in stellar astronomy and precise measurements of double stars.
  • 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_69ca842bdd648190904131d58620d448 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd4ff4268c819099dd5fe79d93e7ea completed April 1, 2026, 5:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69d0f3e27cac8190a48393fa4bdff6b8 completed April 4, 2026, 11:20 a.m.
NEDg Description generation batch_69d0f60136408190a9d629d9fc0e7d9c completed April 4, 2026, 11:29 a.m.
NED2 Entity disambiguation (via description) batch_69d0f65fb4e0819090b88e39485be235 completed April 4, 2026, 11:30 a.m.
Created at: March 30, 2026, 7:42 p.m.