Triple

T472028
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Broad Street Line E8578 entity
Predicate hasStation P35 FINISHED
Object Oregon station
Oregon station is a subway stop on Philadelphia's SEPTA Broad Street Line serving the South Philadelphia neighborhood near Oregon Avenue.
 E59502 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: Oregon station | Statement: [SEPTA Broad Street Line, hasStation, Oregon station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Oregon station
Context triple: [SEPTA Broad Street Line, hasStation, Oregon station]
  • A. Redding station
    Redding station is a small commuter rail stop in Redding, Connecticut, serving passengers on the Metro-North Railroad’s Danbury Branch.
  • B. Cascades Station
    Cascades Station is a light rail stop on Portland’s MAX Red Line serving the Cascade Station shopping and business district near Portland International Airport.
  • C. Edison station
    Edison station is a New Jersey Transit commuter rail stop on the Northeast Corridor Line serving the township of Edison, New Jersey.
  • D. Ayer station
    Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
  • E. Mountain View station
    Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
  • 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: Oregon station
Triple: [SEPTA Broad Street Line, hasStation, Oregon station]
Generated description
Oregon station is a subway stop on Philadelphia's SEPTA Broad Street Line serving the South Philadelphia neighborhood near Oregon Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Oregon station
Target entity description: Oregon station is a subway stop on Philadelphia's SEPTA Broad Street Line serving the South Philadelphia neighborhood near Oregon Avenue.
  • A. Redding station
    Redding station is a small commuter rail stop in Redding, Connecticut, serving passengers on the Metro-North Railroad’s Danbury Branch.
  • B. Cascades Station
    Cascades Station is a light rail stop on Portland’s MAX Red Line serving the Cascade Station shopping and business district near Portland International Airport.
  • C. Edison station
    Edison station is a New Jersey Transit commuter rail stop on the Northeast Corridor Line serving the township of Edison, New Jersey.
  • D. Ayer station
    Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
  • E. Mountain View station
    Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
  • 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_69a2e7f3aeb48190a19453e3a043f486 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2eff24108819092fdb85019ec4089 completed Feb. 28, 2026, 1:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69a467ff6db08190837d5f0cfa2946e9 completed March 1, 2026, 4:23 p.m.
NEDg Description generation batch_69a4688a2cbc8190a2110fcd32b63f19 completed March 1, 2026, 4:25 p.m.
NED2 Entity disambiguation (via description) batch_69a468dfc120819098e9f66c8193a20f completed March 1, 2026, 4:27 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.