Triple

T4039999
Position Surface form Disambiguated ID Type / Status
Subject CTA Orange Line E83922 entity
Predicate hasStation P35 FINISHED
Object Ashland station (Orange Line)
Ashland station (Orange Line) is an elevated Chicago Transit Authority rapid transit stop in the city’s Near West Side, serving the Orange Line trains between Midway Airport and the Loop.
 E408828 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: Ashland station (Orange Line) | Statement: [CTA Orange Line, hasStation, Ashland station (Orange Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ashland station (Orange Line)
Context triple: [CTA Orange Line, hasStation, Ashland station (Orange Line)]
  • A. Ashland station (Green Line)
    Ashland station (Green Line) is an elevated Chicago 'L' rapid transit station on the Chicago Transit Authority’s Green Line.
  • B. Massachusetts Avenue station
    Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
  • C. MBTA Silver Hill station
    MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
  • D. Waban MBTA station
    Waban MBTA station is a light rail stop on the MBTA Green Line D branch in Newton, Massachusetts, serving the village of Waban.
  • E. Salem station (MBTA)
    Salem station (MBTA) is a commuter rail station on the Newburyport/Rockport Line serving the city of Salem, Massachusetts, and connecting it to downtown Boston and other North Shore communities.
  • 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: Ashland station (Orange Line)
Triple: [CTA Orange Line, hasStation, Ashland station (Orange Line)]
Generated description
Ashland station (Orange Line) is an elevated Chicago Transit Authority rapid transit stop in the city’s Near West Side, serving the Orange Line trains between Midway Airport and the Loop.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ashland station (Orange Line)
Target entity description: Ashland station (Orange Line) is an elevated Chicago Transit Authority rapid transit stop in the city’s Near West Side, serving the Orange Line trains between Midway Airport and the Loop.
  • A. Ashland station (Green Line)
    Ashland station (Green Line) is an elevated Chicago 'L' rapid transit station on the Chicago Transit Authority’s Green Line.
  • B. Massachusetts Avenue station
    Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
  • C. MBTA Silver Hill station
    MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
  • D. Waban MBTA station
    Waban MBTA station is a light rail stop on the MBTA Green Line D branch in Newton, Massachusetts, serving the village of Waban.
  • E. Salem station (MBTA)
    Salem station (MBTA) is a commuter rail station on the Newburyport/Rockport Line serving the city of Salem, Massachusetts, and connecting it to downtown Boston and other North Shore communities.
  • 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_69aed92f7cf0819098e0539bdcc3767f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefb39400881909d0f5430f04e441c completed March 9, 2026, 4:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69b55649b75c819086b272f56ac73be4 completed March 14, 2026, 12:36 p.m.
NEDg Description generation batch_69b55a1974348190b6c8ca74fb9da47e completed March 14, 2026, 12:52 p.m.
NED2 Entity disambiguation (via description) batch_69b55a828d7881908e3e9a14bc77103c completed March 14, 2026, 12:54 p.m.
Created at: March 9, 2026, 3:37 p.m.