Triple

T11238206
Position Surface form Disambiguated ID Type / Status
Subject Philadelphia waterworks (Centre Square Pump House) E265999 entity
Predicate locatedIn P40 FINISHED
Object Centre Square, Philadelphia
Centre Square, Philadelphia is a historic central public square in downtown Philadelphia that has served as a civic focal point and site of major municipal facilities since the city’s early development.
E913299 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: Centre Square, Philadelphia | Statement: [Philadelphia waterworks (Centre Square Pump House), locatedIn, Centre Square, Philadelphia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Centre Square, Philadelphia
Context triple: [Philadelphia waterworks (Centre Square Pump House), locatedIn, Centre Square, Philadelphia]
  • A. Passyunk Square
    Passyunk Square is a residential neighborhood in Philadelphia known for its historic rowhomes, diverse community, and proximity to the bustling East Passyunk Avenue commercial corridor.
  • B. Independence Mall
    Independence Mall is a historic three-block public park in Philadelphia that forms the centerpiece of Independence National Historical Park, surrounded by landmarks such as Independence Hall and the Liberty Bell.
  • C. Walnut Street business district
    Walnut Street business district is a neighborhood commercial area in Montclair, New Jersey, known for its local shops, restaurants, and proximity to the Walnut Street train station.
  • D. Allegheny Square
    Allegheny Square is a public square in Pittsburgh’s North Side neighborhood, historically serving as a civic and cultural hub surrounded by notable institutions and community spaces.
  • E. Old City, Philadelphia
    Old City, Philadelphia is a historic neighborhood in Center City known as the birthplace of American independence, home to landmarks like Independence Hall and the Liberty Bell.
  • 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: Centre Square, Philadelphia
Triple: [Philadelphia waterworks (Centre Square Pump House), locatedIn, Centre Square, Philadelphia]
Generated description
Centre Square, Philadelphia is a historic central public square in downtown Philadelphia that has served as a civic focal point and site of major municipal facilities since the city’s early development.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Centre Square, Philadelphia
Target entity description: Centre Square, Philadelphia is a historic central public square in downtown Philadelphia that has served as a civic focal point and site of major municipal facilities since the city’s early development.
  • A. Passyunk Square
    Passyunk Square is a residential neighborhood in Philadelphia known for its historic rowhomes, diverse community, and proximity to the bustling East Passyunk Avenue commercial corridor.
  • B. Independence Mall
    Independence Mall is a historic three-block public park in Philadelphia that forms the centerpiece of Independence National Historical Park, surrounded by landmarks such as Independence Hall and the Liberty Bell.
  • C. Walnut Street business district
    Walnut Street business district is a neighborhood commercial area in Montclair, New Jersey, known for its local shops, restaurants, and proximity to the Walnut Street train station.
  • D. Allegheny Square
    Allegheny Square is a public square in Pittsburgh’s North Side neighborhood, historically serving as a civic and cultural hub surrounded by notable institutions and community spaces.
  • E. Old City, Philadelphia
    Old City, Philadelphia is a historic neighborhood in Center City known as the birthplace of American independence, home to landmarks like Independence Hall and the Liberty Bell.
  • 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_69d6aac656d48190b275efaa7d6074ee completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e918375081908c2a7ccb50cbf331 completed April 9, 2026, 5:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4ad6e9390819085d10635cb039f85 completed April 19, 2026, 10:24 a.m.
NEDg Description generation batch_69e4b12dd658819085c25d3edac2d66c completed April 19, 2026, 10:40 a.m.
NED2 Entity disambiguation (via description) batch_69e4b3e05b488190bf2e3810ba2f250e completed April 19, 2026, 10:52 a.m.
Created at: April 8, 2026, 9:30 p.m.