Triple

T5384675
Position Surface form Disambiguated ID Type / Status
Subject Waterloo station E113173 entity
Predicate formerName P65 FINISHED
Object Waterloo Bridge
Waterloo Bridge is a historic road and foot traffic bridge over the River Thames in central London, known for its strategic location and iconic views of the city.
 E46673 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: Waterloo Bridge | Statement: [Waterloo station, formerName, Waterloo Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waterloo Bridge
Context triple: [Waterloo station, formerName, Waterloo Bridge]
  • A. Waterloo Bridge
    Waterloo Bridge is a historic road and foot traffic bridge in central London, renowned for its views over the River Thames and its role as a key crossing between the Strand and the South Bank.
  • B. Westminster Bridge
    Westminster Bridge is a historic road and foot traffic bridge in central London that spans the River Thames between Westminster and Lambeth, adjacent to landmarks like the Houses of Parliament and Big Ben.
  • C. Queen’s Bridge
    Queen’s Bridge is a notable road bridge spanning the River Tay in Perth, Scotland, serving as a key crossing point into the city.
  • D. Queen’s Bridge
    Queen’s Bridge is a historic road bridge in Belfast, Northern Ireland, carrying traffic across the River Lagan near the city centre.
  • E. Queen’s Bridge
    Queen’s Bridge is a historic bridge in Bound Brook, New Jersey, known for carrying traffic across the Raritan River and serving as a key local crossing point.
  • 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: Waterloo Bridge
Triple: [Waterloo station, formerName, Waterloo Bridge]
Generated description
Waterloo Bridge is a historic road and foot traffic bridge over the River Thames in central London, known for its strategic location and iconic views of the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Waterloo Bridge
Target entity description: Waterloo Bridge is a historic road and foot traffic bridge over the River Thames in central London, known for its strategic location and iconic views of the city.
  • A. Waterloo Bridge chosen
    Waterloo Bridge is a historic road and foot traffic bridge in central London, renowned for its views over the River Thames and its role as a key crossing between the Strand and the South Bank.
  • B. Westminster Bridge
    Westminster Bridge is a historic road and foot traffic bridge in central London that spans the River Thames between Westminster and Lambeth, adjacent to landmarks like the Houses of Parliament and Big Ben.
  • C. Queen’s Bridge
    Queen’s Bridge is a notable road bridge spanning the River Tay in Perth, Scotland, serving as a key crossing point into the city.
  • D. Queen’s Bridge
    Queen’s Bridge is a historic road bridge in Belfast, Northern Ireland, carrying traffic across the River Lagan near the city centre.
  • E. Queen’s Bridge
    Queen’s Bridge is a historic bridge in Bound Brook, New Jersey, known for carrying traffic across the Raritan River and serving as a key local crossing point.
  • F. None of above.

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_69bd4436a1988190af18dcff7fd306b4 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd86f5a7388190aa4ba2052afca74e completed March 20, 2026, 5:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf88e4ebe48190bf1d8643149a88f0 completed March 22, 2026, 6:15 a.m.
NEDg Description generation batch_69bf895a03908190a822e021c50bb797 completed March 22, 2026, 6:16 a.m.
NED2 Entity disambiguation (via description) batch_69bf89ef2fe08190a6696459fab68a79 completed March 22, 2026, 6:19 a.m.
Created at: March 20, 2026, 2:03 p.m.