Triple

T19151465
Position Surface form Disambiguated ID Type / Status
Subject Golden Triangle (Pittsburgh) E468817 entity
Predicate hasLandmark P105 FINISHED
Object David L. Lawrence Convention Center
The David L. Lawrence Convention Center is a major modern convention and exhibition facility in downtown Pittsburgh, noted for its distinctive architecture and large riverfront location.
 E1361667 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: David L. Lawrence Convention Center | Statement: [Golden Triangle (Pittsburgh), hasLandmark, David L. Lawrence Convention Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: David L. Lawrence Convention Center
Context triple: [Golden Triangle (Pittsburgh), hasLandmark, David L. Lawrence Convention Center]
  • A. Donald E. Stephens Convention Center
    Donald E. Stephens Convention Center is a large multi-purpose convention and exhibition facility located near O'Hare International Airport in Rosemont, Illinois, hosting trade shows, conferences, and major events.
  • B. Centennial Concert Hall
    Centennial Concert Hall is a major performing arts venue in Winnipeg, Manitoba, known for hosting ballet, opera, symphony, and other cultural events.
  • C. Centennial Hall
    Centennial Hall is a major academic building at the University of Wisconsin–La Crosse that houses classrooms, lecture halls, and various instructional facilities.
  • D. Centennial Hall
    Centennial Hall is a historic early 20th-century multi-purpose hall in Wrocław, Poland, renowned as a pioneering work of reinforced concrete architecture and a UNESCO World Heritage Site.
  • E. McCormick Place
    McCormick Place is a massive convention center complex in Chicago and one of the largest and most prominent exhibition facilities in North America.
  • 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: David L. Lawrence Convention Center
Triple: [Golden Triangle (Pittsburgh), hasLandmark, David L. Lawrence Convention Center]
Generated description
The David L. Lawrence Convention Center is a major modern convention and exhibition facility in downtown Pittsburgh, noted for its distinctive architecture and large riverfront location.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: David L. Lawrence Convention Center
Target entity description: The David L. Lawrence Convention Center is a major modern convention and exhibition facility in downtown Pittsburgh, noted for its distinctive architecture and large riverfront location.
  • A. Donald E. Stephens Convention Center
    Donald E. Stephens Convention Center is a large multi-purpose convention and exhibition facility located near O'Hare International Airport in Rosemont, Illinois, hosting trade shows, conferences, and major events.
  • B. Centennial Concert Hall
    Centennial Concert Hall is a major performing arts venue in Winnipeg, Manitoba, known for hosting ballet, opera, symphony, and other cultural events.
  • C. Centennial Hall
    Centennial Hall is a major academic building at the University of Wisconsin–La Crosse that houses classrooms, lecture halls, and various instructional facilities.
  • D. Centennial Hall
    Centennial Hall is a historic early 20th-century multi-purpose hall in Wrocław, Poland, renowned as a pioneering work of reinforced concrete architecture and a UNESCO World Heritage Site.
  • E. McCormick Place
    McCormick Place is a massive convention center complex in Chicago and one of the largest and most prominent exhibition facilities in North America.
  • 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_69d8dd084ff48190ac0f8c46ee722629 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5e97cfaa08190b7085d28fe970108 completed April 20, 2026, 8:53 a.m.
NED1 Entity disambiguation (via context triple) batch_6a06f25476488190aa7dd874a54ecb91 completed May 15, 2026, 10:15 a.m.
NEDg Description generation batch_6a06f41269748190b6fa6301d8eb4f4f completed May 15, 2026, 10:23 a.m.
NED2 Entity disambiguation (via description) batch_6a06f4da6b04819084dab89e9b3c5d3e completed May 15, 2026, 10:26 a.m.
Created at: April 10, 2026, 12:06 p.m.