Triple

T1295297
Position Surface form Disambiguated ID Type / Status
Subject Metra BNSF Railway Line E27639 entity
Predicate usesStation P726 FINISHED
Object La Grange Road station
La Grange Road station is a commuter rail stop in La Grange, Illinois, serving Chicago-area passengers on Metra’s BNSF Railway Line.
 E241532 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: La Grange Road station | Statement: [Metra BNSF Railway Line, usesStation, La Grange Road station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: La Grange Road station
Context triple: [Metra BNSF Railway Line, usesStation, La Grange Road station]
  • A. Avenue Road station
    Avenue Road station was the original name of Toronto’s Museum subway station on Line 1 Yonge–University.
  • B. Branch Avenue station
    Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
  • C. Pattison Avenue station
    Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
  • D. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • E. Forest Park station
    Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
  • 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: La Grange Road station
Triple: [Metra BNSF Railway Line, usesStation, La Grange Road station]
Generated description
La Grange Road station is a commuter rail stop in La Grange, Illinois, serving Chicago-area passengers on Metra’s BNSF Railway Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: La Grange Road station
Target entity description: La Grange Road station is a commuter rail stop in La Grange, Illinois, serving Chicago-area passengers on Metra’s BNSF Railway Line.
  • A. Avenue Road station
    Avenue Road station was the original name of Toronto’s Museum subway station on Line 1 Yonge–University.
  • B. Branch Avenue station
    Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
  • C. Pattison Avenue station
    Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
  • D. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • E. Forest Park station
    Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
  • 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_69a496d6682881909ba658f1c1e0e2b0 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c0f4031481908f5e3a53d8a72929 completed March 1, 2026, 10:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69ae5d762bb0819092685731269e57c4 completed March 9, 2026, 5:41 a.m.
NEDg Description generation batch_69ae5e1ea6108190b22ead618d620613 completed March 9, 2026, 5:43 a.m.
NED2 Entity disambiguation (via description) batch_69ae5ea4edcc81908829e4bd64ce0aea completed March 9, 2026, 5:46 a.m.
Created at: March 1, 2026, 7:51 p.m.