Triple

T3188970
Position Surface form Disambiguated ID Type / Status
Subject Jack Delano E66771 entity
Predicate birthName P65 FINISHED
Object 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.
 E336443 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: Jacob Ovcharov | Statement: [Jack Delano, birthName, Jacob Ovcharov]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jacob Ovcharov
Context triple: [Jack Delano, birthName, Jacob Ovcharov]
  • 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. Mario Grigorov
    Mario Grigorov is a Bulgarian-born composer and pianist best known for his film scores and collaborations with director Lee Daniels.
  • C. 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.
  • D. 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.
  • 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: Jacob Ovcharov
Triple: [Jack Delano, birthName, Jacob Ovcharov]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jacob Ovcharov
Target entity description: 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.
  • 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. Mario Grigorov
    Mario Grigorov is a Bulgarian-born composer and pianist best known for his film scores and collaborations with director Lee Daniels.
  • C. 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.
  • D. 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.
  • 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_69ad8587c1bc8190a2595f2c22ee1001 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada6e491508190bc881feaee3889bc completed March 8, 2026, 4:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69b24b8c075881909152ddca48b7da60 completed March 12, 2026, 5:13 a.m.
NEDg Description generation batch_69b24f86acf081909688c73b15c15383 completed March 12, 2026, 5:30 a.m.
NED2 Entity disambiguation (via description) batch_69b2501533008190bf178e3d11e2bea8 completed March 12, 2026, 5:33 a.m.
Created at: March 8, 2026, 3:06 p.m.