Triple

T8188416
Position Surface form Disambiguated ID Type / Status
Subject Floridian (train) E191244 entity
Predicate startPoint P389 FINISHED
Object Chicago Union Station E17115 NE FINISHED

How this triple was built (2 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 Union Station | Statement: [Floridian (train), startPoint, Chicago Union Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago Union Station
Context triple: [Floridian (train), startPoint, Chicago Union Station]
  • A. Chicago Union Station chosen
    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.
  • B. Central Station, Chicago
    Central Station in Chicago was a major passenger railroad terminal that served as a key transportation hub for several railroads on the city's Near South Side.
  • C. 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.
  • D. 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.
  • E. Springfield Union Station
    Springfield Union Station is a historic intermodal transportation hub in downtown Springfield, Massachusetts, serving as a major regional center for rail and bus travel.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82c5b6948190a583c096fb0a6c71 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb4d9f4a488190b39bdc1792646914 completed March 31, 2026, 4:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69cced8437008190bf547154c2d16639 completed April 1, 2026, 10:03 a.m.
Created at: March 30, 2026, 5:41 p.m.