Triple

T19385180
Position Surface form Disambiguated ID Type / Status
Subject DLR Bank–Woolwich Arsenal line E484914 entity
Predicate usesTunnel P18707 FINISHED
Object Greenwich foot tunnel area under River Thames (DLR tunnel) — NE NERFINISHED

How this triple was built (2 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: Greenwich foot tunnel area under River Thames (DLR tunnel) | Statement: [DLR Bank–Woolwich Arsenal line, usesTunnel, Greenwich foot tunnel area under River Thames (DLR tunnel)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Greenwich foot tunnel area under River Thames (DLR tunnel)
Context triple: [DLR Bank–Woolwich Arsenal line, usesTunnel, Greenwich foot tunnel area under River Thames (DLR tunnel)]
  • A. Greenwich Foot Tunnel chosen
    Greenwich Foot Tunnel is a historic pedestrian tunnel beneath the River Thames in London, connecting Greenwich on the south bank with the Isle of Dogs on the north.
  • B. Rotherhithe Tunnel
    Rotherhithe Tunnel is a road tunnel beneath the River Thames in London, linking the areas of Rotherhithe and Limehouse.
  • C. Thames Tunnel
    The Thames Tunnel is the world's first underwater tunnel beneath a navigable river, an engineering landmark in London designed by Marc Isambard Brunel with crucial work by his son Isambard Kingdom Brunel.
  • D. Fulham bank of the Thames
    The Fulham bank of the Thames is the stretch of riverside in the London district of Fulham, known for its residential waterfront, parks, and views across the River Thames.
  • E. Barnes reach of the Thames
    Barnes reach of the Thames is a stretch of the River Thames in southwest London known for its scenic riverside environment and popularity for rowing and recreational boating.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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.