Triple

T9545684
Position Surface form Disambiguated ID Type / Status
Subject Riverdale station E230276 entity
Predicate hasAdjacentStationOnLine P41425 FINISHED
Object Riverdale Park–Kenilworth station (Purple Line, planned)
Riverdale Park–Kenilworth station is a planned stop on Maryland’s Purple Line light rail project serving the Riverdale Park and Kenilworth area in Prince George’s County.
 E805207 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: Riverdale Park–Kenilworth station (Purple Line, planned) | Statement: [Riverdale station, hasAdjacentStationOnLine, Riverdale Park–Kenilworth station (Purple Line, planned)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Riverdale Park–Kenilworth station (Purple Line, planned)
Context triple: [Riverdale station, hasAdjacentStationOnLine, Riverdale Park–Kenilworth station (Purple Line, planned)]
  • A. Wilson Red/Purple Line station
    Wilson Red/Purple Line station is an elevated Chicago Transit Authority rail station in the Uptown neighborhood that serves both the Red and Purple Lines.
  • B. Dempster station (Purple Line)
    Dempster station (Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line.
  • C. Belmont Red/Brown/Purple Line station
    Belmont Red/Brown/Purple Line station is a major Chicago 'L' rapid transit stop in the Lakeview neighborhood where three CTA lines intersect.
  • D. Central station (Purple Line)
    Central station (Purple Line) is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line serving the Evanston area north of Chicago.
  • E. Chicago Avenue station (CTA Purple Line)
    Chicago Avenue station (CTA Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple 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: Riverdale Park–Kenilworth station (Purple Line, planned)
Triple: [Riverdale station, hasAdjacentStationOnLine, Riverdale Park–Kenilworth station (Purple Line, planned)]
Generated description
Riverdale Park–Kenilworth station is a planned stop on Maryland’s Purple Line light rail project serving the Riverdale Park and Kenilworth area in Prince George’s County.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Riverdale Park–Kenilworth station (Purple Line, planned)
Target entity description: Riverdale Park–Kenilworth station is a planned stop on Maryland’s Purple Line light rail project serving the Riverdale Park and Kenilworth area in Prince George’s County.
  • A. Wilson Red/Purple Line station
    Wilson Red/Purple Line station is an elevated Chicago Transit Authority rail station in the Uptown neighborhood that serves both the Red and Purple Lines.
  • B. Dempster station (Purple Line)
    Dempster station (Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line.
  • C. Belmont Red/Brown/Purple Line station
    Belmont Red/Brown/Purple Line station is a major Chicago 'L' rapid transit stop in the Lakeview neighborhood where three CTA lines intersect.
  • D. Central station (Purple Line)
    Central station (Purple Line) is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line serving the Evanston area north of Chicago.
  • E. Chicago Avenue station (CTA Purple Line)
    Chicago Avenue station (CTA Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple 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_69ca847c70b8819088a0a0bad64a50d6 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9901f2bc8190a4076f5947660df9 completed April 1, 2026, 10:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69d14c747e608190b2fa470324fff454 completed April 4, 2026, 5:37 p.m.
NEDg Description generation batch_69d14cfcfc6c8190a39f4db25ffa160e completed April 4, 2026, 5:40 p.m.
NED2 Entity disambiguation (via description) batch_69d14d5dad98819089c49afd3d097c1f completed April 4, 2026, 5:41 p.m.
Created at: March 30, 2026, 8:01 p.m.