Triple

T15580350
Position Surface form Disambiguated ID Type / Status
Subject Seimon Tetsubashi E374477 entity
Predicate nameMeaning P453 FINISHED
Object Main Gate Iron Bridge
Main Gate Iron Bridge is a historic iron bridge located at the main entrance of Tokyo’s Imperial Palace, known for its distinctive arched design and role as a symbol of the palace grounds.
E1164726 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: Main Gate Iron Bridge | Statement: [Seimon Tetsubashi, nameMeaning, Main Gate Iron Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Main Gate Iron Bridge
Context triple: [Seimon Tetsubashi, nameMeaning, Main Gate Iron Bridge]
  • A. Iron Bridge
    Iron Bridge is a historic cast-iron arch bridge in Shropshire, England, celebrated as the world’s first major bridge made of iron and a symbol of the Industrial Revolution.
  • B. Puente de Hierro (Iron Bridge)
    Puente de Hierro (Iron Bridge) is a historic iron bridge in Talavera de la Reina, Spain, known for its distinctive metal structure spanning the Tagus River.
  • C. Bakewell Bridge
    Bakewell Bridge is a historic stone bridge spanning the River Wye in the market town of Bakewell in Derbyshire, England.
  • D. Grafton Bridge
    Grafton Bridge is a historic double-deck road and rail bridge in Grafton, New South Wales, Australia, notable for its bascule span and role as a key regional crossing.
  • E. Grafton Bridge
    Grafton Bridge is a historic reinforced concrete arch bridge in Auckland, New Zealand, known for spanning Grafton Gully and connecting the central city with the Grafton suburb.
  • 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: Main Gate Iron Bridge
Triple: [Seimon Tetsubashi, nameMeaning, Main Gate Iron Bridge]
Generated description
Main Gate Iron Bridge is a historic iron bridge located at the main entrance of Tokyo’s Imperial Palace, known for its distinctive arched design and role as a symbol of the palace grounds.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Main Gate Iron Bridge
Target entity description: Main Gate Iron Bridge is a historic iron bridge located at the main entrance of Tokyo’s Imperial Palace, known for its distinctive arched design and role as a symbol of the palace grounds.
  • A. Iron Bridge
    Iron Bridge is a historic cast-iron arch bridge in Shropshire, England, celebrated as the world’s first major bridge made of iron and a symbol of the Industrial Revolution.
  • B. Puente de Hierro (Iron Bridge)
    Puente de Hierro (Iron Bridge) is a historic iron bridge in Talavera de la Reina, Spain, known for its distinctive metal structure spanning the Tagus River.
  • C. Bakewell Bridge
    Bakewell Bridge is a historic stone bridge spanning the River Wye in the market town of Bakewell in Derbyshire, England.
  • D. Grafton Bridge
    Grafton Bridge is a historic double-deck road and rail bridge in Grafton, New South Wales, Australia, notable for its bascule span and role as a key regional crossing.
  • E. Grafton Bridge
    Grafton Bridge is a historic reinforced concrete arch bridge in Auckland, New Zealand, known for spanning Grafton Gully and connecting the central city with the Grafton suburb.
  • 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_69d85ccd575081908909b71a3f3e3a61 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e24064c8190b132c3092877fbfa completed April 16, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff4c4da9e48190a73492ef725380da completed May 9, 2026, 3:01 p.m.
NEDg Description generation batch_69ff4d0678648190b61fbe79a60da8ec completed May 9, 2026, 3:04 p.m.
NED2 Entity disambiguation (via description) batch_69ff4d9258148190b21201bb09e16999 completed May 9, 2026, 3:06 p.m.
Created at: April 10, 2026, 4:11 a.m.