Triple

T2170951
Position Surface form Disambiguated ID Type / Status
Subject Madera E48422 entity
Predicate hasTransportation P105 FINISHED
Object 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.
 E239250 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: Madera Amtrak station | Statement: [Madera, hasTransportation, Madera Amtrak station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Madera Amtrak station
Context triple: [Madera, hasTransportation, Madera Amtrak station]
  • A. Amtrak Sacramento Valley Station
    Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
  • B. Gilroy station
    Gilroy station is a passenger rail station in Gilroy, California, serving as a terminus for Caltrain commuter services and a stop for Amtrak Thruway buses.
  • C. 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.
  • D. Diridon Station
    Diridon Station is a major intermodal transit hub in San Jose, California, serving Caltrain, Amtrak, ACE, VTA light rail, and various bus services.
  • E. Palo Alto station
    Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
  • 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: Madera Amtrak station
Triple: [Madera, hasTransportation, Madera Amtrak station]
Generated description
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Madera Amtrak station
Target entity description: Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
  • A. Amtrak Sacramento Valley Station
    Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
  • B. Gilroy station
    Gilroy station is a passenger rail station in Gilroy, California, serving as a terminus for Caltrain commuter services and a stop for Amtrak Thruway buses.
  • C. 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.
  • D. Diridon Station
    Diridon Station is a major intermodal transit hub in San Jose, California, serving Caltrain, Amtrak, ACE, VTA light rail, and various bus services.
  • E. Palo Alto station
    Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
  • 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_69a88aa3faa48190995b233af6525815 completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abbec7f9088190b32127421e340788 completed March 7, 2026, 5:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae58f511a08190880fbde8900d59df completed March 9, 2026, 5:21 a.m.
NEDg Description generation batch_69ae59a9b010819081491e988184b386 completed March 9, 2026, 5:24 a.m.
NED2 Entity disambiguation (via description) batch_69ae5a12f11c81908cc345905f0a485e completed March 9, 2026, 5:26 a.m.
Created at: March 4, 2026, 7:45 p.m.