Triple

T8529528
Position Surface form Disambiguated ID Type / Status
Subject Narita Express E201905 entity
Predicate classConfiguration P13644 FINISHED
Object Green Car (first class)
Green Car (first class) is the premium, reserved-seat first-class section on the Narita Express, offering more spacious and comfortable seating and enhanced onboard amenities compared to standard cars.
 E741684 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: Green Car (first class) | Statement: [Narita Express, classConfiguration, Green Car (first class)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Green Car (first class)
Context triple: [Narita Express, classConfiguration, Green Car (first class)]
  • A. lounge car
    A lounge car is a comfortable passenger train carriage designed for relaxation and socializing, typically featuring spacious seating and large windows for scenic viewing.
  • B. First Class
    First Class is Delta Air Lines’ premium cabin offering enhanced comfort, service, and amenities compared to its standard economy seating.
  • C. The Third-Class Carriage
    The Third-Class Carriage is a famous 19th-century painting by Honoré Daumier that poignantly depicts the hardships and dignity of working-class railway passengers.
  • D. Class 150 train
    The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
  • E. Aventra
    Aventra is a family of modern electric multiple-unit trains designed and built by Bombardier Transportation (now Alstom) for use on the UK rail network.
  • 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: Green Car (first class)
Triple: [Narita Express, classConfiguration, Green Car (first class)]
Generated description
Green Car (first class) is the premium, reserved-seat first-class section on the Narita Express, offering more spacious and comfortable seating and enhanced onboard amenities compared to standard cars.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Green Car (first class)
Target entity description: Green Car (first class) is the premium, reserved-seat first-class section on the Narita Express, offering more spacious and comfortable seating and enhanced onboard amenities compared to standard cars.
  • A. lounge car
    A lounge car is a comfortable passenger train carriage designed for relaxation and socializing, typically featuring spacious seating and large windows for scenic viewing.
  • B. First Class
    First Class is Delta Air Lines’ premium cabin offering enhanced comfort, service, and amenities compared to its standard economy seating.
  • C. The Third-Class Carriage
    The Third-Class Carriage is a famous 19th-century painting by Honoré Daumier that poignantly depicts the hardships and dignity of working-class railway passengers.
  • D. Class 150 train
    The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
  • E. Aventra
    Aventra is a family of modern electric multiple-unit trains designed and built by Bombardier Transportation (now Alstom) for use on the UK rail network.
  • 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_69ca83228b24819085d22e7dc99f5d94 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe67409f08190b20d13d26e9a362c completed March 31, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce6d5e5b58819095c1c915dfe27b52 completed April 2, 2026, 1:21 p.m.
NEDg Description generation batch_69ce6ec1e74081908fc235ffd13ef301 completed April 2, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_69ce6fe13a00819095f5bec408435426 completed April 2, 2026, 1:32 p.m.
Created at: March 30, 2026, 6:17 p.m.