Triple

T6913216
Position Surface form Disambiguated ID Type / Status
Subject Heritage Corridor E159985 entity
Predicate hasStation P35 FINISHED
Object Willow Springs station
Willow Springs station is a commuter rail stop in Willow Springs, Illinois, served by Metra’s Heritage Corridor line between Chicago and Joliet.
 E628099 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: Willow Springs station | Statement: [Heritage Corridor, hasStation, Willow Springs station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Willow Springs station
Context triple: [Heritage Corridor, hasStation, Willow Springs station]
  • A. North Springs station
    North Springs station is a northern terminus rapid transit station on MARTA’s Red Line serving the suburban city of Sandy Springs in the Atlanta metropolitan area.
  • B. Hillsdale station
    Hillsdale station is a commuter rail stop in Hillsdale, New Jersey, served by NJ Transit's Pascack Valley Line.
  • C. Hillsdale station
    Hillsdale station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit hub for Peninsula commuters.
  • D. Meadowview Station
    Meadowview Station is a light rail transit station in Sacramento, California, serving as part of the Sacramento Regional Transit District’s network.
  • E. Fair Oaks Station
    Fair Oaks Station was a key Civil War-era railroad stop in Virginia that lent its name to the nearby Battle of Fair Oaks.
  • 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: Willow Springs station
Triple: [Heritage Corridor, hasStation, Willow Springs station]
Generated description
Willow Springs station is a commuter rail stop in Willow Springs, Illinois, served by Metra’s Heritage Corridor line between Chicago and Joliet.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Willow Springs station
Target entity description: Willow Springs station is a commuter rail stop in Willow Springs, Illinois, served by Metra’s Heritage Corridor line between Chicago and Joliet.
  • A. North Springs station
    North Springs station is a northern terminus rapid transit station on MARTA’s Red Line serving the suburban city of Sandy Springs in the Atlanta metropolitan area.
  • B. Hillsdale station
    Hillsdale station is a commuter rail stop in Hillsdale, New Jersey, served by NJ Transit's Pascack Valley Line.
  • C. Hillsdale station
    Hillsdale station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit hub for Peninsula commuters.
  • D. Meadowview Station
    Meadowview Station is a light rail transit station in Sacramento, California, serving as part of the Sacramento Regional Transit District’s network.
  • E. Fair Oaks Station
    Fair Oaks Station was a key Civil War-era railroad stop in Virginia that lent its name to the nearby Battle of Fair Oaks.
  • 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_69c6883ab1008190a07129ff06f625d9 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6d9dbca6c819091d8b65e54ada5d9 completed March 27, 2026, 7:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7491116448190b9945e5a53056cb9 completed March 28, 2026, 3:20 a.m.
NEDg Description generation batch_69c74b46838c8190b5418d8f02f9aee1 completed March 28, 2026, 3:30 a.m.
NED2 Entity disambiguation (via description) batch_69c74d297b5881909b171d0a82adf173 completed March 28, 2026, 3:38 a.m.
Created at: March 27, 2026, 2:25 p.m.