Triple

T18833341

Position	Surface form	Disambiguated ID	Type / Status
Subject	Perfume River	`E460589`	entity
Predicate	hasBridge	`P386`	FINISHED
Object	Phú Xuân Bridge	`—`	NE NERFINISHED

How this triple was built (3 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: Phú Xuân Bridge | Statement: [Perfume River, hasBridge, Phú Xuân Bridge]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Phú Xuân Bridge
Context triple: [Perfume River, hasBridge, Phú Xuân Bridge]

A. Vĩnh Tuy Bridge
Vĩnh Tuy Bridge is a major road bridge spanning the Red River in Hanoi, Vietnam, helping connect central urban districts and ease traffic congestion.
B. Thuan Phuoc Bridge
Thuan Phuoc Bridge is a large modern suspension bridge in Da Nang, Vietnam, known for spanning the Han River near its mouth and serving as a prominent city landmark.
C. Nguyen Van Troi Bridge
Nguyen Van Troi Bridge is a historic road bridge in Da Nang, Vietnam, spanning the Han River and known for its distinctive steel-arch design and role as an important local traffic route.
D. Tran Thi Ly Bridge
Tran Thi Ly Bridge is a modern, cable-stayed bridge in Da Nang, Vietnam, known for its distinctive leaning pylon and striking nighttime illumination.
E. Saigon Bridge
Saigon Bridge is a major road bridge in Ho Chi Minh City, Vietnam, serving as a key transportation link across the Saigon River and an important part of the city’s infrastructure.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Phú Xuân Bridge
Target entity description: Phú Xuân Bridge is a key road bridge in Huế, Vietnam, spanning the Perfume River and serving as an important historical and transportation link in the city.

A. Vĩnh Tuy Bridge
Vĩnh Tuy Bridge is a major road bridge spanning the Red River in Hanoi, Vietnam, helping connect central urban districts and ease traffic congestion.
B. Thuan Phuoc Bridge
Thuan Phuoc Bridge is a large modern suspension bridge in Da Nang, Vietnam, known for spanning the Han River near its mouth and serving as a prominent city landmark.
C. Nguyen Van Troi Bridge
Nguyen Van Troi Bridge is a historic road bridge in Da Nang, Vietnam, spanning the Han River and known for its distinctive steel-arch design and role as an important local traffic route.
D. Tran Thi Ly Bridge
Tran Thi Ly Bridge is a modern, cable-stayed bridge in Da Nang, Vietnam, known for its distinctive leaning pylon and striking nighttime illumination.
E. Saigon Bridge
Saigon Bridge is a major road bridge in Ho Chi Minh City, Vietnam, serving as a key transportation link across the Saigon River and an important part of the city’s infrastructure.
F. None of above. chosen

Provenance (2 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_69d8dcf94c288190a06dea029ae4b223`	completed	April 10, 2026, 11:20 a.m.
NER	Named-entity recognition	`batch_69e5a99b540c8190a29e5f9d56791d41`	completed	April 20, 2026, 4:20 a.m.

Created at: April 10, 2026, 11:56 a.m.