Triple

T7496386
Position Surface form Disambiguated ID Type / Status
Subject Hinsdale station E177139 entity
Predicate formerName P65 FINISHED
Object Chicago, Burlington and Quincy Railroad station
Chicago, Burlington and Quincy Railroad station was the original name of what is now known as Hinsdale station, a historic commuter rail stop in Hinsdale, Illinois that once served the CB&Q Railroad.
 E668566 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: Chicago, Burlington and Quincy Railroad station | Statement: [Hinsdale station, formerName, Chicago, Burlington and Quincy Railroad station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago, Burlington and Quincy Railroad station
Context triple: [Hinsdale station, formerName, Chicago, Burlington and Quincy Railroad station]
  • A. Washington/Wabash station
    Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
  • B. Chicago and North Western Terminal (Ogilvie Transportation Center)
    The Chicago and North Western Terminal, now known as Ogilvie Transportation Center, is a major commuter rail hub in downtown Chicago serving Metra trains and connecting the city’s suburbs with its central business district.
  • C. Chicago Union Station
    Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
  • D. Mundelein station
    Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
  • E. Randolph/Wabash station
    Randolph/Wabash station was a former elevated Chicago "L" station in the Loop that served multiple train lines before being closed and replaced by the modern Washington/Wabash station.
  • 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: Chicago, Burlington and Quincy Railroad station
Triple: [Hinsdale station, formerName, Chicago, Burlington and Quincy Railroad station]
Generated description
Chicago, Burlington and Quincy Railroad station was the original name of what is now known as Hinsdale station, a historic commuter rail stop in Hinsdale, Illinois that once served the CB&Q Railroad.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chicago, Burlington and Quincy Railroad station
Target entity description: Chicago, Burlington and Quincy Railroad station was the original name of what is now known as Hinsdale station, a historic commuter rail stop in Hinsdale, Illinois that once served the CB&Q Railroad.
  • A. Washington/Wabash station
    Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
  • B. Chicago and North Western Terminal (Ogilvie Transportation Center)
    The Chicago and North Western Terminal, now known as Ogilvie Transportation Center, is a major commuter rail hub in downtown Chicago serving Metra trains and connecting the city’s suburbs with its central business district.
  • C. Chicago Union Station
    Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
  • D. Mundelein station
    Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
  • E. Randolph/Wabash station
    Randolph/Wabash station was a former elevated Chicago "L" station in the Loop that served multiple train lines before being closed and replaced by the modern Washington/Wabash station.
  • 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_69c69f2583808190bd1a4936c42a5815 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f57c86948190aa8ee765bd497850 completed March 27, 2026, 9:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83c8686cc8190bb1f7b09cdbebcf7 completed March 28, 2026, 8:39 p.m.
NEDg Description generation batch_69c83e31d54c8190aed9279181f1db2b completed March 28, 2026, 8:46 p.m.
NED2 Entity disambiguation (via description) batch_69c83ef9ce408190907a62c9d0a6dc16 completed March 28, 2026, 8:50 p.m.
Created at: March 27, 2026, 3:43 p.m.