Triple

T4940206
Position Surface form Disambiguated ID Type / Status
Subject Carbondale, Illinois E110909 entity
Predicate railLine P848 FINISHED
Object Illini (Amtrak)
The Illini is an Amtrak passenger train service operating in Illinois, primarily connecting Chicago with Carbondale and serving intermediate communities along the route.
 E481446 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: Illini (Amtrak) | Statement: [Carbondale, Illinois, railLine, Illini (Amtrak)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Illini (Amtrak)
Context triple: [Carbondale, Illinois, railLine, Illini (Amtrak)]
  • A. Illinois Zephyr
    The Illinois Zephyr is a state-supported Amtrak passenger train that operates daily between Chicago and Quincy, Illinois, serving intermediate cities across the state.
  • B. Chicago & North Western West Line
    The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
  • C. Elburn station
    Elburn station is a commuter rail station in Elburn, Illinois, serving as the western endpoint of Metra’s Union Pacific West Line to Chicago.
  • D. Metra Rock Island District line
    The Metra Rock Island District line is a commuter rail route in the Chicago metropolitan area that connects downtown Chicago with various southwest suburbs, including Tinley Park.
  • E. South Shore Line
    The South Shore Line is an electric commuter rail service connecting Chicago with communities in northern Indiana, including Gary.
  • 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: Illini (Amtrak)
Triple: [Carbondale, Illinois, railLine, Illini (Amtrak)]
Generated description
The Illini is an Amtrak passenger train service operating in Illinois, primarily connecting Chicago with Carbondale and serving intermediate communities along the route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Illini (Amtrak)
Target entity description: The Illini is an Amtrak passenger train service operating in Illinois, primarily connecting Chicago with Carbondale and serving intermediate communities along the route.
  • A. Illinois Zephyr
    The Illinois Zephyr is a state-supported Amtrak passenger train that operates daily between Chicago and Quincy, Illinois, serving intermediate cities across the state.
  • B. Chicago & North Western West Line
    The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
  • C. Elburn station
    Elburn station is a commuter rail station in Elburn, Illinois, serving as the western endpoint of Metra’s Union Pacific West Line to Chicago.
  • D. Metra Rock Island District line
    The Metra Rock Island District line is a commuter rail route in the Chicago metropolitan area that connects downtown Chicago with various southwest suburbs, including Tinley Park.
  • E. South Shore Line
    The South Shore Line is an electric commuter rail service connecting Chicago with communities in northern Indiana, including Gary.
  • 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_69bd4415eee08190bdce70276e56a5b4 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd708a3dcc81908b6628864fe0db0a completed March 20, 2026, 4:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69be77bf1f0481909cd007c78096f7c5 completed March 21, 2026, 10:49 a.m.
NEDg Description generation batch_69be7868a9148190b9f165fb2406dd9d completed March 21, 2026, 10:52 a.m.
NED2 Entity disambiguation (via description) batch_69be7916ff888190ba62e65b6422633c completed March 21, 2026, 10:55 a.m.
Created at: March 20, 2026, 1:31 p.m.