Triple

T147754
Position Surface form Disambiguated ID Type / Status
Subject Fred Rogers E3367 entity
Predicate employer P7 FINISHED
Object WQED (TV) Pittsburgh
WQED (TV) Pittsburgh is a public television station in Pittsburgh, Pennsylvania, best known as the home studio where Fred Rogers created and produced "Mister Rogers' Neighborhood."
 E17622 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: WQED (TV) Pittsburgh | Statement: [Fred Rogers, employer, WQED (TV) Pittsburgh]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: WQED (TV) Pittsburgh
Context triple: [Fred Rogers, employer, WQED (TV) Pittsburgh]
  • A. KRLD-TV
    KRLD-TV is a Dallas–Fort Worth television station historically known for its local news coverage and role in reporting major events such as the assassination of President John F. Kennedy.
  • B. Pittsburgh region
    The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
  • C. WNYW (New York City)
    WNYW (New York City) is the primary Fox-owned television station serving the New York City metropolitan area.
  • D. PBS
    PBS is a U.S. public television network known for educational, scientific, and cultural programming.
  • E. University City, Philadelphia
    University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
  • 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: WQED (TV) Pittsburgh
Triple: [Fred Rogers, employer, WQED (TV) Pittsburgh]
Generated description
WQED (TV) Pittsburgh is a public television station in Pittsburgh, Pennsylvania, best known as the home studio where Fred Rogers created and produced "Mister Rogers' Neighborhood."
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: WQED (TV) Pittsburgh
Target entity description: WQED (TV) Pittsburgh is a public television station in Pittsburgh, Pennsylvania, best known as the home studio where Fred Rogers created and produced "Mister Rogers' Neighborhood."
  • A. KRLD-TV
    KRLD-TV is a Dallas–Fort Worth television station historically known for its local news coverage and role in reporting major events such as the assassination of President John F. Kennedy.
  • B. Pittsburgh region
    The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
  • C. WNYW (New York City)
    WNYW (New York City) is the primary Fox-owned television station serving the New York City metropolitan area.
  • D. PBS
    PBS is a U.S. public television network known for educational, scientific, and cultural programming.
  • E. University City, Philadelphia
    University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
  • 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_69a252868de4819080e21c9938bfe8b6 completed Feb. 28, 2026, 2:27 a.m.
NER Named-entity recognition batch_69a257ecb6f48190992c4c8ca908a81c completed Feb. 28, 2026, 2:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2c27754a881908ef5a96e05e515e3 completed Feb. 28, 2026, 10:24 a.m.
NEDg Description generation batch_69a2c37177348190857d52872e6ab393 completed Feb. 28, 2026, 10:29 a.m.
NED2 Entity disambiguation (via description) batch_69a2c3c512f08190bb87f874524b1616 completed Feb. 28, 2026, 10:30 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.