Triple

T15362469
Position Surface form Disambiguated ID Type / Status
Subject Western (O'Hare branch) E367321 entity
Predicate hasAdjacentStation P231 FINISHED
Object Damen (O'Hare branch)
Damen (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line's O'Hare branch serving the city's Wicker Park/Bucktown area.
E1153709 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: Damen (O'Hare branch) | Statement: [Western (O'Hare branch), hasAdjacentStation, Damen (O'Hare branch)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Damen (O'Hare branch)
Context triple: [Western (O'Hare branch), hasAdjacentStation, Damen (O'Hare branch)]
  • A. Damen (Brown Line) station
    Damen (Brown Line) station is an elevated Chicago 'L' rapid transit stop in the city's North Side, serving the Brown Line.
  • B. Dempster–Skokie station
    Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
  • C. Paulina station (CTA)
    Paulina station (CTA) was a former Chicago 'L' rapid transit station on the Brown Line located in the Lakeview neighborhood.
  • D. Lombard Metra station
    Lombard Metra station is a commuter rail stop in Lombard, Illinois, providing regional train service that connects the village’s historic downtown with the broader Chicago metropolitan area.
  • E. Barrington Metra station
    Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
  • 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: Damen (O'Hare branch)
Triple: [Western (O'Hare branch), hasAdjacentStation, Damen (O'Hare branch)]
Generated description
Damen (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line's O'Hare branch serving the city's Wicker Park/Bucktown area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Damen (O'Hare branch)
Target entity description: Damen (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line's O'Hare branch serving the city's Wicker Park/Bucktown area.
  • A. Damen (Brown Line) station
    Damen (Brown Line) station is an elevated Chicago 'L' rapid transit stop in the city's North Side, serving the Brown Line.
  • B. Dempster–Skokie station
    Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
  • C. Paulina station (CTA)
    Paulina station (CTA) was a former Chicago 'L' rapid transit station on the Brown Line located in the Lakeview neighborhood.
  • D. Lombard Metra station
    Lombard Metra station is a commuter rail stop in Lombard, Illinois, providing regional train service that connects the village’s historic downtown with the broader Chicago metropolitan area.
  • E. Barrington Metra station
    Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
  • 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_69d85a1483788190ad93c2748e8af34b completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e479f188190bbbc3dcd73853e02 completed April 16, 2026, 1:41 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff0b4a181c8190bffc1ac1a86e215d completed May 9, 2026, 10:24 a.m.
NEDg Description generation batch_69ff0f82441c81909a8ae13817fd3e96 completed May 9, 2026, 10:42 a.m.
NED2 Entity disambiguation (via description) batch_69ff0fd586708190a54b33efd27d84b2 completed May 9, 2026, 10:43 a.m.
Created at: April 10, 2026, 3:18 a.m.