Triple

T3545023
Position Surface form Disambiguated ID Type / Status
Subject Cooum River E74974 entity
Predicate crossesInfrastructure P27425 FINISHED
Object Napier Bridge
Napier Bridge is a historic and iconic road bridge in Chennai, India, known for its distinctive white arches and for connecting key parts of the city across the Cooum River.
E504326 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: Napier Bridge | Statement: [Cooum River, crossesInfrastructure, Napier Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Napier Bridge
Context triple: [Cooum River, crossesInfrastructure, Napier Bridge]
  • A. Perth Bridge
    Perth Bridge is a historic stone road bridge spanning the River Tay in Perth, Scotland, known for its multiple arches and 18th-century construction.
  • B. Bowen Bridge
    Bowen Bridge is a major concrete highway bridge in Hobart, Tasmania, carrying traffic across the Derwent River as part of the city’s northern transport corridor.
  • C. Princes Bridge
    Princes Bridge is a historic road and tram bridge in central Melbourne, Australia, linking the city centre with Southbank across the Yarra River.
  • D. Trinity Bridge
    Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
  • E. Trinity Bridge
    Trinity Bridge is a historic steel bascule bridge in Saint Petersburg, Russia, known for its ornate design and role as a major crossing over the Neva River near the city’s central landmarks.
  • 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: Napier Bridge
Triple: [Cooum River, crossesInfrastructure, Napier Bridge]
Generated description
Napier Bridge is a historic and iconic road bridge in Chennai, India, known for its distinctive white arches and for connecting key parts of the city across the Cooum River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Napier Bridge
Target entity description: Napier Bridge is a historic and iconic road bridge in Chennai, India, known for its distinctive white arches and for connecting key parts of the city across the Cooum River.
  • A. Perth Bridge
    Perth Bridge is a historic stone road bridge spanning the River Tay in Perth, Scotland, known for its multiple arches and 18th-century construction.
  • B. Bowen Bridge
    Bowen Bridge is a major concrete highway bridge in Hobart, Tasmania, carrying traffic across the Derwent River as part of the city’s northern transport corridor.
  • C. Princes Bridge
    Princes Bridge is a historic road and tram bridge in central Melbourne, Australia, linking the city centre with Southbank across the Yarra River.
  • D. Trinity Bridge
    Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
  • E. Trinity Bridge
    Trinity Bridge is a historic steel bascule bridge in Saint Petersburg, Russia, known for its ornate design and role as a major crossing over the Neva River near the city’s central landmarks.
  • 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_69ad85d274cc8190ab59c97298a1cfbf completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbf77d938819095c72a88b5af644a completed March 8, 2026, 6:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69bef7dcea7481908c4430d07d7213cb completed March 21, 2026, 7:56 p.m.
NEDg Description generation batch_69bef8acecf48190a1d3f56640bf7784 completed March 21, 2026, 7:59 p.m.
NED2 Entity disambiguation (via description) batch_69bef92017948190906d1be3551b54c2 completed March 21, 2026, 8:01 p.m.
Created at: March 8, 2026, 3:20 p.m.