Triple

T3582271
Position Surface form Disambiguated ID Type / Status
Subject Robinhood Markets E75826 entity
Predicate foundedBy P104 FINISHED
Object Vladimir Tenev
Vladimir Tenev is a Bulgarian-American entrepreneur best known as the co-founder and CEO of the commission-free trading platform Robinhood Markets.
E371064 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: Vladimir Tenev | Statement: [Robinhood Markets, foundedBy, Vladimir Tenev]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vladimir Tenev
Context triple: [Robinhood Markets, foundedBy, Vladimir Tenev]
  • A. Vulko Chervenkov
    Vulko Chervenkov was a Bulgarian communist politician who served as the country’s de facto leader in the early 1950s, overseeing a period of strict Stalinist rule and rapid industrialization.
  • B. Dragomir Anguelov
    Dragomir Anguelov is a computer scientist known for his work in machine learning and computer vision, particularly in 3D perception and autonomous driving.
  • C. Jacob Ovcharov
    Jacob Ovcharov, better known as Jack Delano, was a prominent American photographer, composer, and filmmaker noted for his influential work documenting rural life for the Farm Security Administration during the Great Depression.
  • D. Dimitar Blagoev
    Dimitar Blagoev was a Bulgarian political leader and theorist, known as the founder of the Bulgarian socialist movement and the Bulgarian Social Democratic Party.
  • E. Alexander Toshev
    Alexander Toshev is a computer scientist known for his contributions to computer vision and deep learning, including influential work on object detection.
  • 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: Vladimir Tenev
Triple: [Robinhood Markets, foundedBy, Vladimir Tenev]
Generated description
Vladimir Tenev is a Bulgarian-American entrepreneur best known as the co-founder and CEO of the commission-free trading platform Robinhood Markets.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vladimir Tenev
Target entity description: Vladimir Tenev is a Bulgarian-American entrepreneur best known as the co-founder and CEO of the commission-free trading platform Robinhood Markets.
  • A. Vulko Chervenkov
    Vulko Chervenkov was a Bulgarian communist politician who served as the country’s de facto leader in the early 1950s, overseeing a period of strict Stalinist rule and rapid industrialization.
  • B. Dragomir Anguelov
    Dragomir Anguelov is a computer scientist known for his work in machine learning and computer vision, particularly in 3D perception and autonomous driving.
  • C. Jacob Ovcharov
    Jacob Ovcharov, better known as Jack Delano, was a prominent American photographer, composer, and filmmaker noted for his influential work documenting rural life for the Farm Security Administration during the Great Depression.
  • D. Dimitar Blagoev
    Dimitar Blagoev was a Bulgarian political leader and theorist, known as the founder of the Bulgarian socialist movement and the Bulgarian Social Democratic Party.
  • E. Alexander Toshev
    Alexander Toshev is a computer scientist known for his contributions to computer vision and deep learning, including influential work on object detection.
  • 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_69ad85d6dc3c8190b491b79b83e25461 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc102cb2881908fa4dc1bf6fa5961 completed March 8, 2026, 6:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69b402f36b2481909d4716e72a696e0d completed March 13, 2026, 12:28 p.m.
NEDg Description generation batch_69b403b9e7ac8190917e7313279b1c46 completed March 13, 2026, 12:31 p.m.
NED2 Entity disambiguation (via description) batch_69b4086f6da4819084778dffa33ef116 completed March 13, 2026, 12:51 p.m.
Created at: March 8, 2026, 3:21 p.m.