Triple

T83592

Position	Surface form	Disambiguated ID	Type / Status
Subject	Wuhan	`E1680`	entity
Predicate	hasMetroSystem	`P522`	FINISHED
Object	Wuhan Metro Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.	`E11197`	NE FINISHED

How this triple was built (5 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: Wuhan Metro | Statement: [Wuhan, hasMetroSystem, Wuhan Metro]

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

Target entity: Wuhan Metro
Context triple: [Wuhan, hasMetroSystem, Wuhan Metro]

A. Wuhan Railway Station
Wuhan Railway Station is a major modern high-speed rail hub in Wuhan, China, known for its large scale and distinctive, wave-like architectural design.
B. Hankou Railway Station
Hankou Railway Station is one of the main passenger rail hubs in Wuhan, China, serving as a key node for regional and high-speed train services.
C. Wuhan
Wuhan is a major city in central China, known as a key industrial, commercial, and transportation hub located at the confluence of the Yangtze and Han rivers.
D. Wuhan Tianhe International Airport
Wuhan Tianhe International Airport is a major aviation hub in central China serving the city of Wuhan with extensive domestic and international flight connections.
E. Guangzhou
Guangzhou is a major port city in southern China and the capital of Guangdong Province, known as a key commercial and manufacturing hub in the Pearl River Delta.
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: Wuhan Metro
Triple: [Wuhan, hasMetroSystem, Wuhan Metro]

Generated description

Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.

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

Target entity: Wuhan Metro
Target entity description: Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.

A. Wuhan Railway Station
Wuhan Railway Station is a major modern high-speed rail hub in Wuhan, China, known for its large scale and distinctive, wave-like architectural design.
B. Hankou Railway Station
Hankou Railway Station is one of the main passenger rail hubs in Wuhan, China, serving as a key node for regional and high-speed train services.
C. Wuhan
Wuhan is a major city in central China, known as a key industrial, commercial, and transportation hub located at the confluence of the Yangtze and Han rivers.
D. Wuhan Tianhe International Airport
Wuhan Tianhe International Airport is a major aviation hub in central China serving the city of Wuhan with extensive domestic and international flight connections.
E. Guangzhou
Guangzhou is a major port city in southern China and the capital of Guangdong Province, known as a key commercial and manufacturing hub in the Pearl River Delta.
F. None of above. chosen

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: hasMetroSystem
Context triple: [Wuhan, hasMetroSystem, Wuhan Metro]

A. hasStreetcarSystem
Indicates that a place possesses or is served by an operational streetcar (tram) transit system.
B. hasLightRailSystem
Indicates that a place possesses and operates a light rail transit system.
C. hasTransportationSystem
Indicates that an entity possesses, operates, or is served by an organized system for transporting people or goods.
D. hasTransportHub
Indicates that a location contains or serves as a central facility where multiple transport routes or modes connect for passenger or cargo movement.
E. hasRailSystem chosen
Indicates that an entity possesses or is served by a rail-based transportation system.
F. None of above.

Provenance (6 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_69a24c8150408190910a693eb51c1f71`	completed	Feb. 28, 2026, 2:01 a.m.
NER	Named-entity recognition	`batch_69a24f4ccb5081908decac81f4af01bf`	completed	Feb. 28, 2026, 2:13 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a27c0147d481909c62cd45c8079519`	completed	Feb. 28, 2026, 5:24 a.m.
NEDg	Description generation	`batch_69a27c81e0d481909029bbe7b9c04ab0`	completed	Feb. 28, 2026, 5:26 a.m.
NED2	Entity disambiguation (via description)	`batch_69a27cf9cc6c8190b8e666ea21c331f2`	completed	Feb. 28, 2026, 5:28 a.m.
PD	Predicate disambiguation	`batch_69a24eb469548190b38c24e81f36c838`	completed	Feb. 28, 2026, 2:11 a.m.

Created at: Feb. 28, 2026, 2:06 a.m.