Triple

T472025
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Broad Street Line E8578 entity
Predicate hasStation P35 FINISHED
Object Erie station
Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
 E59284 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: Erie station | Statement: [SEPTA Broad Street Line, hasStation, Erie station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Erie station
Context triple: [SEPTA Broad Street Line, hasStation, Erie station]
  • A. Kenmore station
    Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
  • B. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • 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. Brunswick station
    Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
  • E. Roosevelt station
    Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
  • 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: Erie station
Triple: [SEPTA Broad Street Line, hasStation, Erie station]
Generated description
Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Erie station
Target entity description: Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
  • A. Kenmore station
    Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
  • B. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • 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. Brunswick station
    Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
  • E. Roosevelt station
    Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
  • 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_69a462fbc760819092a3065fbb0ef589 completed March 1, 2026, 4:02 p.m.
NEDg Description generation batch_69a4638ac9a481909da9430a589408a3 completed March 1, 2026, 4:04 p.m.
NED2 Entity disambiguation (via description) batch_69a463e978508190baab1c4a721661fb completed March 1, 2026, 4:06 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.