Triple

T731716
Position Surface form Disambiguated ID Type / Status
Subject Metro B Line E14844 entity
Predicate hasStation P35 FINISHED
Object Pershing Square station
Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
 E154154 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: Pershing Square station | Statement: [Metro B Line, hasStation, Pershing Square station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pershing Square station
Context triple: [Metro B Line, hasStation, Pershing Square station]
  • A. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • B. McPherson Square station
    McPherson Square station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the area near the White House and major federal and commercial buildings.
  • C. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • D. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • E. Jackson Square station
    Jackson Square station is an MBTA Orange Line rapid transit stop in Boston, Massachusetts, serving the Mission Hill and Jamaica Plain neighborhoods.
  • 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: Pershing Square station
Triple: [Metro B Line, hasStation, Pershing Square station]
Generated description
Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pershing Square station
Target entity description: Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
  • A. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • B. McPherson Square station
    McPherson Square station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the area near the White House and major federal and commercial buildings.
  • C. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • D. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • E. Jackson Square station
    Jackson Square station is an MBTA Orange Line rapid transit stop in Boston, Massachusetts, serving the Mission Hill and Jamaica Plain neighborhoods.
  • 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_69a4934d9930819099eed80096b0597d completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a5c40b6481909db9efd7310850b3 completed March 1, 2026, 8:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69acc5f8bc2081908f7d2435ce43fdc4 completed March 8, 2026, 12:42 a.m.
NEDg Description generation batch_69acc6dbd80881908d640ee204ce9a12 completed March 8, 2026, 12:46 a.m.
NED2 Entity disambiguation (via description) batch_69acc8199f508190a86c18ad9085d341 completed March 8, 2026, 12:51 a.m.
Created at: March 1, 2026, 7:37 p.m.