Triple

T514908
Position Surface form Disambiguated ID Type / Status
Subject Tobin Bridge E10684 entity
Predicate replaced P101 FINISHED
Object Chelsea Bridge
Chelsea Bridge was a historic roadway bridge in Massachusetts that once carried traffic across the Mystic River between Chelsea and Charlestown before being superseded by the Tobin Bridge.
E69180 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: Chelsea Bridge | Statement: [Tobin Bridge, replaced, Chelsea Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chelsea Bridge
Context triple: [Tobin Bridge, replaced, Chelsea Bridge]
  • A. Hammersmith Bridge
    Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
  • B. Gapstow Bridge
    Gapstow Bridge is a picturesque stone arch bridge in New York City's Central Park, known for its iconic views of the park and Midtown Manhattan skyline.
  • C. Runnymede Bridge
    Runnymede Bridge is a road bridge over the River Thames in Surrey, England, carrying the M25 motorway near the historic meadow of Runnymede.
  • D. Silver Street Bridge
    Silver Street Bridge is a road bridge in Cambridge, England, carrying Silver Street over the River Cam near the historic city centre.
  • E. 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.
  • 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: Chelsea Bridge
Triple: [Tobin Bridge, replaced, Chelsea Bridge]
Generated description
Chelsea Bridge was a historic roadway bridge in Massachusetts that once carried traffic across the Mystic River between Chelsea and Charlestown before being superseded by the Tobin Bridge.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chelsea Bridge
Target entity description: Chelsea Bridge was a historic roadway bridge in Massachusetts that once carried traffic across the Mystic River between Chelsea and Charlestown before being superseded by the Tobin Bridge.
  • A. Hammersmith Bridge
    Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
  • B. Gapstow Bridge
    Gapstow Bridge is a picturesque stone arch bridge in New York City's Central Park, known for its iconic views of the park and Midtown Manhattan skyline.
  • C. Runnymede Bridge
    Runnymede Bridge is a road bridge over the River Thames in Surrey, England, carrying the M25 motorway near the historic meadow of Runnymede.
  • D. Silver Street Bridge
    Silver Street Bridge is a road bridge in Cambridge, England, carrying Silver Street over the River Cam near the historic city centre.
  • E. 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.
  • 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_69a2e84a0d08819087e01863fcd9abf1 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f1836b688190a60cc901a8724159 completed Feb. 28, 2026, 1:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4e3f1e5908190850594ccb37f364a completed March 2, 2026, 1:12 a.m.
NEDg Description generation batch_69a4e45cc06c8190901ab3d5182be133 completed March 2, 2026, 1:14 a.m.
NED2 Entity disambiguation (via description) batch_69a4e4b1ea148190a160dc43727a281a completed March 2, 2026, 1:15 a.m.
Created at: Feb. 28, 2026, 1:12 p.m.