Triple

T4773358
Position Surface form Disambiguated ID Type / Status
Subject Fort Pitt Museum E105984 entity
Predicate locatedIn P40 FINISHED
Object Downtown Pittsburgh
Downtown Pittsburgh is the city’s central business and cultural district, known for its dense skyline, historic sites, and position at the confluence of the Allegheny, Monongahela, and Ohio Rivers.
 E19280 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: Downtown Pittsburgh | Statement: [Fort Pitt Museum, locatedIn, Downtown Pittsburgh]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Downtown Pittsburgh
Context triple: [Fort Pitt Museum, locatedIn, Downtown Pittsburgh]
  • A. Pittsburgh, Pennsylvania
    Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
  • B. East Pittsburgh, Pennsylvania
    East Pittsburgh, Pennsylvania is a small borough in Allegheny County near Pittsburgh, historically known for its role in the region’s steel and industrial economy.
  • C. Duquesne, Pennsylvania
    Duquesne, Pennsylvania is a small industrial city along the Monongahela River near Pittsburgh, historically known as a major steel-producing community in the American Rust Belt.
  • D. East End of Pittsburgh
    The East End of Pittsburgh is a large, historically diverse urban area of the city known for its residential neighborhoods, cultural institutions, and commercial districts including places like Oakland, Shadyside, and Squirrel Hill.
  • E. Strip District, Pittsburgh
    The Strip District is a historic Pittsburgh neighborhood known for its bustling open-air markets, ethnic food shops, and converted warehouses housing restaurants, nightlife, and specialty retailers.
  • 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: Downtown Pittsburgh
Triple: [Fort Pitt Museum, locatedIn, Downtown Pittsburgh]
Generated description
Downtown Pittsburgh is the city’s central business and cultural district, known for its dense skyline, historic sites, and position at the confluence of the Allegheny, Monongahela, and Ohio Rivers.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Downtown Pittsburgh
Target entity description: Downtown Pittsburgh is the city’s central business and cultural district, known for its dense skyline, historic sites, and position at the confluence of the Allegheny, Monongahela, and Ohio Rivers.
  • A. Pittsburgh, Pennsylvania chosen
    Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
  • B. East Pittsburgh, Pennsylvania
    East Pittsburgh, Pennsylvania is a small borough in Allegheny County near Pittsburgh, historically known for its role in the region’s steel and industrial economy.
  • C. Duquesne, Pennsylvania
    Duquesne, Pennsylvania is a small industrial city along the Monongahela River near Pittsburgh, historically known as a major steel-producing community in the American Rust Belt.
  • D. East End of Pittsburgh
    The East End of Pittsburgh is a large, historically diverse urban area of the city known for its residential neighborhoods, cultural institutions, and commercial districts including places like Oakland, Shadyside, and Squirrel Hill.
  • E. Strip District, Pittsburgh
    The Strip District is a historic Pittsburgh neighborhood known for its bustling open-air markets, ethnic food shops, and converted warehouses housing restaurants, nightlife, and specialty retailers.
  • F. None of above.

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_69bd43f3074c8190937e7b0a457fe9f1 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6560b3448190a0debbd8da29d986 completed March 20, 2026, 3:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69be89cdee488190b810111df56fa1cb completed March 21, 2026, 12:06 p.m.
NEDg Description generation batch_69be8a493b9c81908294dcf650c0f160 completed March 21, 2026, 12:08 p.m.
NED2 Entity disambiguation (via description) batch_69be8ace21588190b129cbfb55231f1a completed March 21, 2026, 12:10 p.m.
Created at: March 20, 2026, 1:21 p.m.