Triple

T5845541
Position Surface form Disambiguated ID Type / Status
Subject Valdivia River E129699 entity
Predicate hasBridge P386 FINISHED
Object Cau-Cau Bridge
Cau-Cau Bridge is a bascule bridge in Valdivia, Chile, known for its troubled construction history and long delays before becoming operational.
 E550669 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: Cau-Cau Bridge | Statement: [Valdivia River, hasBridge, Cau-Cau Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cau-Cau Bridge
Context triple: [Valdivia River, hasBridge, Cau-Cau Bridge]
  • A. Dazhi Bridge
    Dazhi Bridge is a prominent arch bridge in Taipei, Taiwan, known for its distinctive illuminated design spanning the Keelung River.
  • B. Chengmei Bridge
    Chengmei Bridge is a notable road bridge spanning the Keelung River in Taipei, Taiwan, serving as an important local transportation link.
  • C. Thu Thiem Bridge
    Thu Thiem Bridge is a major road bridge in Ho Chi Minh City, Vietnam, connecting the city center with the Thu Thiem urban area in District 2.
  • D. Minquan Bridge
    Minquan Bridge is a major roadway bridge in Taipei, Taiwan, carrying Minquan East and West Roads across the Keelung River and serving as an important urban traffic artery.
  • E. Can Tho Bridge
    Can Tho Bridge is a major cable-stayed bridge in southern Vietnam that spans the Hau River, significantly improving transportation links in the Mekong Delta region.
  • 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: Cau-Cau Bridge
Triple: [Valdivia River, hasBridge, Cau-Cau Bridge]
Generated description
Cau-Cau Bridge is a bascule bridge in Valdivia, Chile, known for its troubled construction history and long delays before becoming operational.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cau-Cau Bridge
Target entity description: Cau-Cau Bridge is a bascule bridge in Valdivia, Chile, known for its troubled construction history and long delays before becoming operational.
  • A. Dazhi Bridge
    Dazhi Bridge is a prominent arch bridge in Taipei, Taiwan, known for its distinctive illuminated design spanning the Keelung River.
  • B. Chengmei Bridge
    Chengmei Bridge is a notable road bridge spanning the Keelung River in Taipei, Taiwan, serving as an important local transportation link.
  • C. Thu Thiem Bridge
    Thu Thiem Bridge is a major road bridge in Ho Chi Minh City, Vietnam, connecting the city center with the Thu Thiem urban area in District 2.
  • D. Minquan Bridge
    Minquan Bridge is a major roadway bridge in Taipei, Taiwan, carrying Minquan East and West Roads across the Keelung River and serving as an important urban traffic artery.
  • E. Can Tho Bridge
    Can Tho Bridge is a major cable-stayed bridge in southern Vietnam that spans the Hau River, significantly improving transportation links in the Mekong Delta region.
  • 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_69c0084bd31c8190a796bb6284845e83 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c034dcafe88190a438034a539ffa52 completed March 22, 2026, 6:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0a1a9ffa881908b38eeddb411c4ab completed March 23, 2026, 2:12 a.m.
NEDg Description generation batch_69c0a33b6d4c81908f2adb838a8f3dff completed March 23, 2026, 2:19 a.m.
NED2 Entity disambiguation (via description) batch_69c0a39b21488190ad2d38dde17aadeb completed March 23, 2026, 2:21 a.m.
Created at: March 22, 2026, 3:55 p.m.