Triple

T6109965
Position Surface form Disambiguated ID Type / Status
Subject Gulf Oil E136210 entity
Predicate headquartersLocation P62 FINISHED
Object Gulf Building, Pittsburgh
The Gulf Building in Pittsburgh is a historic skyscraper that once served as the iconic headquarters of the Gulf Oil Corporation and remains a prominent feature of the city's skyline.
E569374 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: Gulf Building, Pittsburgh | Statement: [Gulf Oil, headquartersLocation, Gulf Building, Pittsburgh]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gulf Building, Pittsburgh
Context triple: [Gulf Oil, headquartersLocation, Gulf Building, Pittsburgh]
  • A. U.S. Steel Tower, Pittsburgh
    The U.S. Steel Tower in Pittsburgh is a prominent steel-framed skyscraper and city landmark known for its distinctive triangular footprint and role as a major office hub.
  • B. The Tower at PNC Plaza in Pittsburgh
    The Tower at PNC Plaza in Pittsburgh is a high-performance, sustainably designed office skyscraper that serves as PNC Financial Services’ headquarters and a showcase for advanced green building technologies.
  • C. Carnegie Building
    The Carnegie Building is a historic wing of the Tasmanian Museum and Art Gallery in Hobart, originally funded by philanthropist Andrew Carnegie as part of his global support for public cultural institutions.
  • D. Wabash Building
    The Wabash Building is Roosevelt University's distinctive vertical campus skyscraper in downtown Chicago, known for its mixed-use academic, residential, and recreational facilities.
  • E. Michigan Consolidated Gas Company Building
    The Michigan Consolidated Gas Company Building is a modernist high-rise office tower in Detroit, Michigan, designed by architect Minoru Yamasaki and noted for its elegant, minimalist façade.
  • 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: Gulf Building, Pittsburgh
Triple: [Gulf Oil, headquartersLocation, Gulf Building, Pittsburgh]
Generated description
The Gulf Building in Pittsburgh is a historic skyscraper that once served as the iconic headquarters of the Gulf Oil Corporation and remains a prominent feature of the city's skyline.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gulf Building, Pittsburgh
Target entity description: The Gulf Building in Pittsburgh is a historic skyscraper that once served as the iconic headquarters of the Gulf Oil Corporation and remains a prominent feature of the city's skyline.
  • A. U.S. Steel Tower, Pittsburgh
    The U.S. Steel Tower in Pittsburgh is a prominent steel-framed skyscraper and city landmark known for its distinctive triangular footprint and role as a major office hub.
  • B. The Tower at PNC Plaza in Pittsburgh
    The Tower at PNC Plaza in Pittsburgh is a high-performance, sustainably designed office skyscraper that serves as PNC Financial Services’ headquarters and a showcase for advanced green building technologies.
  • C. Carnegie Building
    The Carnegie Building is a historic wing of the Tasmanian Museum and Art Gallery in Hobart, originally funded by philanthropist Andrew Carnegie as part of his global support for public cultural institutions.
  • D. Wabash Building
    The Wabash Building is Roosevelt University's distinctive vertical campus skyscraper in downtown Chicago, known for its mixed-use academic, residential, and recreational facilities.
  • E. Michigan Consolidated Gas Company Building
    The Michigan Consolidated Gas Company Building is a modernist high-rise office tower in Detroit, Michigan, designed by architect Minoru Yamasaki and noted for its elegant, minimalist façade.
  • 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_69c0089ea6f88190b349be53e04b4f5f completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c05b84ed088190a12cdb844d743326 completed March 22, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69c1255f03e08190b62cd8ca2c079afb completed March 23, 2026, 11:34 a.m.
NEDg Description generation batch_69c1268cbac48190aae1682b1620ea41 completed March 23, 2026, 11:39 a.m.
NED2 Entity disambiguation (via description) batch_69c1274251c4819090de776c702e4ac8 completed March 23, 2026, 11:42 a.m.
Created at: March 22, 2026, 4:13 p.m.