Triple

T3898063
Position Surface form Disambiguated ID Type / Status
Subject U2 (Nuremberg U-Bahn) E90419 entity
Predicate usesRollingStock P5426 FINISHED
Object DT2 train
The DT2 train is a type of electric multiple unit rolling stock used on the Nuremberg U-Bahn system in Germany.
E398161 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: DT2 train | Statement: [U2 (Nuremberg U-Bahn), usesRollingStock, DT2 train]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: DT2 train
Context triple: [U2 (Nuremberg U-Bahn), usesRollingStock, DT2 train]
  • A. XPT train
    The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
  • B. Z train
    The Z train is a New York City Subway rush-hour, skip-stop service that runs along the J line in Brooklyn and Queens, providing limited-stop service between Jamaica Center and lower Manhattan.
  • C. D train
    The D train is a major New York City Subway service that runs as an express route through Manhattan and the Bronx, connecting key neighborhoods across multiple boroughs.
  • D. SMART train
    SMART train is a commuter rail service in California’s North Bay region that connects communities in Marin and Sonoma counties.
  • E. 7 train
    The 7 train is a New York City Subway service that runs between Queens and Manhattan, known for serving Flushing, Citi Field, and the rapidly developing neighborhoods along the Queens Boulevard and 42nd Street corridors.
  • 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: DT2 train
Triple: [U2 (Nuremberg U-Bahn), usesRollingStock, DT2 train]
Generated description
The DT2 train is a type of electric multiple unit rolling stock used on the Nuremberg U-Bahn system in Germany.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: DT2 train
Target entity description: The DT2 train is a type of electric multiple unit rolling stock used on the Nuremberg U-Bahn system in Germany.
  • A. XPT train
    The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
  • B. Z train
    The Z train is a New York City Subway rush-hour, skip-stop service that runs along the J line in Brooklyn and Queens, providing limited-stop service between Jamaica Center and lower Manhattan.
  • C. D train
    The D train is a major New York City Subway service that runs as an express route through Manhattan and the Bronx, connecting key neighborhoods across multiple boroughs.
  • D. SMART train
    SMART train is a commuter rail service in California’s North Bay region that connects communities in Marin and Sonoma counties.
  • E. 7 train
    The 7 train is a New York City Subway service that runs between Queens and Manhattan, known for serving Flushing, Citi Field, and the rapidly developing neighborhoods along the Queens Boulevard and 42nd Street corridors.
  • 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_69aed95d315881908cbf1bf4a7215fbf completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeecd48b208190afaa62975805d087 completed March 9, 2026, 3:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69b51ca0f72c819084726f631a947f8c completed March 14, 2026, 8:30 a.m.
NEDg Description generation batch_69b5207c0cfc8190aae16e8a88348679 completed March 14, 2026, 8:46 a.m.
NED2 Entity disambiguation (via description) batch_69b52163bf888190b38f87d22ecd200e completed March 14, 2026, 8:50 a.m.
Created at: March 9, 2026, 3:21 p.m.