Triple

T24438

Position	Surface form	Disambiguated ID	Type / Status
Subject	Osaka	`E486`	entity
Predicate	hasRailHub	`P523`	FINISHED
Object	Osaka Station Osaka Station is a major railway terminal and transportation hub in Osaka, Japan, serving numerous local and long-distance train lines and connecting key commercial districts.	`E10063`	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: Osaka Station | Statement: [Osaka, hasRailHub, Osaka Station]

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

Target entity: Osaka Station
Context triple: [Osaka, hasRailHub, Osaka Station]

A. Osaka International Airport
Osaka International Airport is a major Japanese airport serving the Osaka metropolitan area, primarily handling domestic flights and known locally as Itami Airport.
B. Osaka
Osaka is Japan's third-largest city and a major economic, cultural, and historical hub known for its vibrant street food, bustling nightlife, and role as a commercial center in the Kansai region.
C. Osaka Castle
Osaka Castle is a historic Japanese fortress in Osaka, renowned for its grand architecture, surrounding park, and major role in Japan’s feudal history.
D. Kansai International Airport
Kansai International Airport is a major international airport in Japan built on an artificial island in Osaka Bay, serving as a key gateway to the Kansai region.
E. Tsutenkaku Tower
Tsutenkaku Tower is a historic observation and entertainment tower in Osaka, Japan, known as a symbol of the city’s Shinsekai district.
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: Osaka Station
Triple: [Osaka, hasRailHub, Osaka Station]

Generated description

Osaka Station is a major railway terminal and transportation hub in Osaka, Japan, serving numerous local and long-distance train lines and connecting key commercial districts.

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

Target entity: Osaka Station
Target entity description: Osaka Station is a major railway terminal and transportation hub in Osaka, Japan, serving numerous local and long-distance train lines and connecting key commercial districts.

A. Osaka International Airport
Osaka International Airport is a major Japanese airport serving the Osaka metropolitan area, primarily handling domestic flights and known locally as Itami Airport.
B. Osaka
Osaka is Japan's third-largest city and a major economic, cultural, and historical hub known for its vibrant street food, bustling nightlife, and role as a commercial center in the Kansai region.
C. Osaka Castle
Osaka Castle is a historic Japanese fortress in Osaka, renowned for its grand architecture, surrounding park, and major role in Japan’s feudal history.
D. Kansai International Airport
Kansai International Airport is a major international airport in Japan built on an artificial island in Osaka Bay, serving as a key gateway to the Kansai region.
E. Tsutenkaku Tower
Tsutenkaku Tower is a historic observation and entertainment tower in Osaka, Japan, known as a symbol of the city’s Shinsekai district.
F. None of above. chosen

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

Target predicate: hasRailHub
Context triple: [Osaka, hasRailHub, Osaka Station]

A. isRailHubFor chosen
Indicates that a location functions as a central node or interchange point within a rail network for the referenced area, routes, or services.
B. hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
C. hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
D. hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
E. hasLightRailSystem
Indicates that a place possesses and operates a light rail transit 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_69a243b4ac2c8190b93c303df797b7b2`	completed	Feb. 28, 2026, 1:24 a.m.
NER	Named-entity recognition	`batch_69a246e94ca881908f7a7d2c0b293033`	completed	Feb. 28, 2026, 1:37 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a26c13d2ac8190a72d174282dfad9d`	completed	Feb. 28, 2026, 4:16 a.m.
NEDg	Description generation	`batch_69a26efd825481909e6b6eb1fe3e20d6`	completed	Feb. 28, 2026, 4:28 a.m.
NED2	Entity disambiguation (via description)	`batch_69a26f6a10a0819098b88b9ba7fd1e4a`	completed	Feb. 28, 2026, 4:30 a.m.
PD	Predicate disambiguation	`batch_69a246560af88190961ea00b35cf9388`	completed	Feb. 28, 2026, 1:35 a.m.

Created at: Feb. 28, 2026, 1:34 a.m.