Triple

T19385130
Position Surface form Disambiguated ID Type / Status
Subject DLR Bank–Lewisham line E484913 entity
Predicate usesRollingStock P5426 FINISHED
Object DLR B07 stock — NE NERFINISHED

How this triple was built (3 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: DLR B07 stock | Statement: [DLR Bank–Lewisham line, usesRollingStock, DLR B07 stock]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: DLR B07 stock
Context triple: [DLR Bank–Lewisham line, usesRollingStock, DLR B07 stock]
  • A. BVG H series
    The BVG H series is a class of modern wide-profile electric multiple unit trains used on Berlin’s U-Bahn network.
  • B. Siemens-Duewag U2
    The Siemens-Duewag U2 is a high-floor light rail vehicle widely used in North American transit systems, notably in early expansions of Calgary’s CTrain network.
  • C. BVG Class D
    The BVG Class D is an older generation of electric multiple unit trains that operated on the Berlin U-Bahn before being succeeded by the more modern Class F series.
  • D. Stadler Tango
    Stadler Tango is a family of modern low-floor light rail and tram vehicles built by Swiss manufacturer Stadler Rail for urban and regional transit systems.
  • E. E70
    E70 is a Nokia Eseries smartphone known for its fold-out full QWERTY keyboard and business-oriented features.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: DLR B07 stock
Target entity description: DLR B07 stock is a type of automated light rail train used on London’s Docklands Light Railway network.
  • A. BVG H series
    The BVG H series is a class of modern wide-profile electric multiple unit trains used on Berlin’s U-Bahn network.
  • B. Siemens-Duewag U2
    The Siemens-Duewag U2 is a high-floor light rail vehicle widely used in North American transit systems, notably in early expansions of Calgary’s CTrain network.
  • C. BVG Class D
    The BVG Class D is an older generation of electric multiple unit trains that operated on the Berlin U-Bahn before being succeeded by the more modern Class F series.
  • D. Stadler Tango
    Stadler Tango is a family of modern low-floor light rail and tram vehicles built by Swiss manufacturer Stadler Rail for urban and regional transit systems.
  • E. E70
    E70 is BMW's internal model designation for the second-generation X5 mid-size luxury SUV produced from 2006 to 2013.
  • F. None of above. chosen

Provenance (2 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_69d8e8d460d88190abf0591c5c9d2b0c completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e61b3ffa548190a060d6e94562a5d2 completed April 20, 2026, 12:25 p.m.
Created at: April 10, 2026, 1:35 p.m.