Triple

T399802
Position Surface form Disambiguated ID Type / Status
Subject Gustave Eiffel E9253 entity
Predicate designed P184 FINISHED
Object Maria Pia Bridge
Maria Pia Bridge is a historic 19th-century iron railway arch bridge spanning the Douro River in Porto, Portugal, renowned for its pioneering engineering and elegant single-span design.
E75438 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: Maria Pia Bridge | Statement: [Gustave Eiffel, designed, Maria Pia Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Maria Pia Bridge
Context triple: [Gustave Eiffel, designed, Maria Pia Bridge]
  • A. Grand Bridge
    The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
  • B. Ioannovsky Bridge
    Ioannovsky Bridge is a historic pedestrian bridge in Saint Petersburg, Russia, serving as one of the main access routes to the Peter and Paul Fortress across the Kronverksky Strait.
  • C. 25 de Abril Bridge
    The 25 de Abril Bridge is a large suspension bridge in Lisbon, Portugal, often compared to San Francisco’s Golden Gate Bridge for its similar appearance and iconic status.
  • D. Anichkov Bridge
    Anichkov Bridge is a historic and architecturally notable bridge in Saint Petersburg, Russia, famed for its distinctive horseman statues and its prominent location on the Fontanka River.
  • E. Vasco da Gama Bridge
    The Vasco da Gama Bridge is a modern cable-stayed bridge in Lisbon, Portugal, and one of the longest bridges in Europe, spanning the Tagus River.
  • 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: Maria Pia Bridge
Triple: [Gustave Eiffel, designed, Maria Pia Bridge]
Generated description
Maria Pia Bridge is a historic 19th-century iron railway arch bridge spanning the Douro River in Porto, Portugal, renowned for its pioneering engineering and elegant single-span design.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Maria Pia Bridge
Target entity description: Maria Pia Bridge is a historic 19th-century iron railway arch bridge spanning the Douro River in Porto, Portugal, renowned for its pioneering engineering and elegant single-span design.
  • A. Grand Bridge
    The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
  • B. Ioannovsky Bridge
    Ioannovsky Bridge is a historic pedestrian bridge in Saint Petersburg, Russia, serving as one of the main access routes to the Peter and Paul Fortress across the Kronverksky Strait.
  • C. 25 de Abril Bridge
    The 25 de Abril Bridge is a large suspension bridge in Lisbon, Portugal, often compared to San Francisco’s Golden Gate Bridge for its similar appearance and iconic status.
  • D. Anichkov Bridge
    Anichkov Bridge is a historic and architecturally notable bridge in Saint Petersburg, Russia, famed for its distinctive horseman statues and its prominent location on the Fontanka River.
  • E. Vasco da Gama Bridge
    The Vasco da Gama Bridge is a modern cable-stayed bridge in Lisbon, Portugal, and one of the longest bridges in Europe, spanning the Tagus River.
  • 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_69a2e8004cb88190b92ed1add6abf41a completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ec8e655c819081eff85c0ef55fa5 completed Feb. 28, 2026, 1:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69a52383450081908b945646a3e231c2 completed March 2, 2026, 5:43 a.m.
NEDg Description generation batch_69a523da79848190b55c227e168a71dc completed March 2, 2026, 5:44 a.m.
NED2 Entity disambiguation (via description) batch_69a524391b688190b8c18274db7e3450 completed March 2, 2026, 5:46 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.