Triple

T10357891
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (St. Louis MetroLink) E244048 entity
Predicate hasStation P35 FINISHED
Object Grand station (St. Louis MetroLink)
Grand station (St. Louis MetroLink) is a light rail station in St. Louis, Missouri, serving the MetroLink system near Saint Louis University and the city's Midtown area.
 E858548 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: Grand station (St. Louis MetroLink) | Statement: [Blue Line (St. Louis MetroLink), hasStation, Grand station (St. Louis MetroLink)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grand station (St. Louis MetroLink)
Context triple: [Blue Line (St. Louis MetroLink), hasStation, Grand station (St. Louis MetroLink)]
  • A. Grand station (Blue Line)
    Grand station (Blue Line) is a Chicago 'L' rapid transit station on the Blue Line serving the Near West Side near the Fulton Market and West Loop areas.
  • B. South Boulevard station
    South Boulevard station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line serving the Evanston area just north of Chicago.
  • C. Ballston–MU station
    Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
  • D. Grand station (Red Line)
    Grand station (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side, serving the busy River North and Magnificent Mile areas.
  • E. Oak Grove station
    Oak Grove station is a rapid transit station in Malden, Massachusetts, serving as the northern terminus of Boston’s MBTA Orange 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: Grand station (St. Louis MetroLink)
Triple: [Blue Line (St. Louis MetroLink), hasStation, Grand station (St. Louis MetroLink)]
Generated description
Grand station (St. Louis MetroLink) is a light rail station in St. Louis, Missouri, serving the MetroLink system near Saint Louis University and the city's Midtown area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grand station (St. Louis MetroLink)
Target entity description: Grand station (St. Louis MetroLink) is a light rail station in St. Louis, Missouri, serving the MetroLink system near Saint Louis University and the city's Midtown area.
  • A. Grand station (Blue Line)
    Grand station (Blue Line) is a Chicago 'L' rapid transit station on the Blue Line serving the Near West Side near the Fulton Market and West Loop areas.
  • B. South Boulevard station
    South Boulevard station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line serving the Evanston area just north of Chicago.
  • C. Ballston–MU station
    Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
  • D. Grand station (Red Line)
    Grand station (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side, serving the busy River North and Magnificent Mile areas.
  • E. Oak Grove station
    Oak Grove station is a rapid transit station in Malden, Massachusetts, serving as the northern terminus of Boston’s MBTA Orange 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_69d381b22b8c8190aaed476be5f872a9 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4e9563ea48190b8702b3ef497ed9a completed April 7, 2026, 11:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69d750b02ae48190898f9f97ab19ce60 completed April 9, 2026, 7:09 a.m.
NEDg Description generation batch_69d7618ecb748190a492406eabe590d7 completed April 9, 2026, 8:21 a.m.
NED2 Entity disambiguation (via description) batch_69d77057affc8190b420e66560c3dfbd completed April 9, 2026, 9:24 a.m.
Created at: April 6, 2026, 11:58 a.m.