Triple

T6868655
Position Surface form Disambiguated ID Type / Status
Subject Mattoon, Illinois E158481 entity
Predicate hasRailStation P726 FINISHED
Object Mattoon Amtrak station
Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
 E625310 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: Mattoon Amtrak station | Statement: [Mattoon, Illinois, hasRailStation, Mattoon Amtrak station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mattoon Amtrak station
Context triple: [Mattoon, Illinois, hasRailStation, Mattoon Amtrak station]
  • A. Colfax Amtrak station
    Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • B. La Junta Amtrak station
    La Junta Amtrak station is a passenger rail station in La Junta, Colorado, serving Amtrak’s long-distance Southwest Chief route between Chicago and Los Angeles.
  • C. Madera Amtrak station
    Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
  • D. Jackson Amtrak station
    Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
  • E. Sandusky Amtrak station
    Sandusky Amtrak station is a passenger rail station in Sandusky, Ohio, serving Amtrak trains on routes such as the Lake Shore Limited and Capitol Limited.
  • 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: Mattoon Amtrak station
Triple: [Mattoon, Illinois, hasRailStation, Mattoon Amtrak station]
Generated description
Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mattoon Amtrak station
Target entity description: Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
  • A. Colfax Amtrak station
    Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • B. La Junta Amtrak station
    La Junta Amtrak station is a passenger rail station in La Junta, Colorado, serving Amtrak’s long-distance Southwest Chief route between Chicago and Los Angeles.
  • C. Madera Amtrak station
    Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
  • D. Jackson Amtrak station
    Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
  • E. Sandusky Amtrak station
    Sandusky Amtrak station is a passenger rail station in Sandusky, Ohio, serving Amtrak trains on routes such as the Lake Shore Limited and Capitol Limited.
  • 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_69c68831e3648190a643c328122e4d43 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d8a793a481909340239c065393a4 completed March 27, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c74299ae148190a56c7b1ee8829f40 completed March 28, 2026, 2:53 a.m.
NEDg Description generation batch_69c743a639f88190a0758194433322bf completed March 28, 2026, 2:57 a.m.
NED2 Entity disambiguation (via description) batch_69c7445fbd488190938ec3dd59cbeb2c completed March 28, 2026, 3 a.m.
Created at: March 27, 2026, 2:22 p.m.