Triple

T375072
Position Surface form Disambiguated ID Type / Status
Subject Broad Street Station (Philadelphia) E8352 entity
Predicate siteRedevelopedAs P13075 FINISHED
Object Penn Center
Penn Center is a major commercial and office complex in downtown Philadelphia that emerged as one of the city’s first large-scale urban renewal projects in the mid-20th century.
E48098 NE FINISHED

How this triple was built (5 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: Penn Center | Statement: [Broad Street Station (Philadelphia), siteRedevelopedAs, Penn Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Penn Center
Context triple: [Broad Street Station (Philadelphia), siteRedevelopedAs, Penn Center]
  • A. Moorland–Spingarn Research Center
    The Moorland–Spingarn Research Center is a major research library and archive renowned for its extensive collections documenting the history and culture of the African diaspora.
  • B. MCI Center
    MCI Center, now known as Capital One Arena, is a major indoor sports and entertainment venue in Washington, D.C.
  • C. Nebraska Avenue Complex
    The Nebraska Avenue Complex is a secure federal campus in Washington, D.C., that serves as a major headquarters site for the U.S. Department of Homeland Security and several of its key offices.
  • D. Liberty Bell Center
    The Liberty Bell Center is a museum in Philadelphia that houses and interprets the historic Liberty Bell, a symbol of American independence and freedom.
  • E. Robert C. Weaver Federal Building
    The Robert C. Weaver Federal Building is a modernist federal office building in Washington, D.C., that serves as the headquarters of the U.S. Department of Housing and Urban Development.
  • 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: Penn Center
Triple: [Broad Street Station (Philadelphia), siteRedevelopedAs, Penn Center]
Generated description
Penn Center is a major commercial and office complex in downtown Philadelphia that emerged as one of the city’s first large-scale urban renewal projects in the mid-20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Penn Center
Target entity description: Penn Center is a major commercial and office complex in downtown Philadelphia that emerged as one of the city’s first large-scale urban renewal projects in the mid-20th century.
  • A. Moorland–Spingarn Research Center
    The Moorland–Spingarn Research Center is a major research library and archive renowned for its extensive collections documenting the history and culture of the African diaspora.
  • B. MCI Center
    MCI Center, now known as Capital One Arena, is a major indoor sports and entertainment venue in Washington, D.C.
  • C. Nebraska Avenue Complex
    The Nebraska Avenue Complex is a secure federal campus in Washington, D.C., that serves as a major headquarters site for the U.S. Department of Homeland Security and several of its key offices.
  • D. Liberty Bell Center
    The Liberty Bell Center is a museum in Philadelphia that houses and interprets the historic Liberty Bell, a symbol of American independence and freedom.
  • E. Robert C. Weaver Federal Building
    The Robert C. Weaver Federal Building is a modernist federal office building in Washington, D.C., that serves as the headquarters of the U.S. Department of Housing and Urban Development.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: siteRedevelopedAs
Context triple: [Broad Street Station (Philadelphia), siteRedevelopedAs, Penn Center]
  • A. site
    Indicates that one entity is the physical or virtual location where another entity is situated, occurs, or is based.
  • B. redesigned
    Indicates that an entity has been modified or created anew in terms of its structure, appearance, or functionality, replacing a previous design.
  • C. reopenedAfterRedevelopment
    Indicates that a place or facility was closed for redevelopment and subsequently opened again once the redevelopment was completed.
  • D. relocatedToCurrentSite
    Indicates that an entity moved from its previous location to the place where it is currently situated.
  • E. website
    Indicates that one entity is the official website or web presence associated with another entity.
  • F. None of above. chosen

Provenance (7 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_69a2e7f2ec648190b42bc7db424f8109 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec1585648190943f1c698e9b2d81 completed Feb. 28, 2026, 1:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3fafca1dc8190ba8f1cdec0ba337d completed March 1, 2026, 8:38 a.m.
NEDg Description generation batch_69a3fb9968ec819088e3832b1902349e completed March 1, 2026, 8:40 a.m.
NED2 Entity disambiguation (via description) batch_69a3fbba4e0c8190858aeab66332490d completed March 1, 2026, 8:41 a.m.
PD Predicate disambiguation batch_69a2e96216048190873ae533fa5b864d completed Feb. 28, 2026, 1:10 p.m.
PDg Predicate description generation batch_69a2ebcb1b2c8190a68bb3bad600c227 completed Feb. 28, 2026, 1:21 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.