Triple
T14336645
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New Tram Nankō Port Town Line |
E355481
|
entity |
| Predicate | isUrbanRailIn |
P64445
|
FINISHED |
| Object | Osaka metropolitan area |
E40815
|
NE FINISHED |
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: Osaka metropolitan area | Statement: [New Tram Nankō Port Town Line, isUrbanRailIn, Osaka metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Osaka metropolitan area Context triple: [New Tram Nankō Port Town Line, isUrbanRailIn, Osaka metropolitan area]
-
A.
Osaka–Kobe metropolitan area
chosen
The Osaka–Kobe metropolitan area is a major urban and economic region in Japan’s Kansai area, centered on the cities of Osaka and Kobe and known for its dense population, industry, and cultural influence.
-
B.
Kyoto metropolitan area
The Kyoto metropolitan area is a major urban and cultural region in Japan centered on the historic city of Kyoto and its surrounding municipalities.
-
C.
Chūkyō metropolitan area
The Chūkyō metropolitan area is Japan’s third-largest urban and industrial region, centered on Nagoya and known as a major hub for automotive manufacturing and international trade.
-
D.
Yokohama metropolitan area
The Yokohama metropolitan area is a major urban and economic region in Japan centered on the port city of Yokohama and its surrounding municipalities within the Greater Tokyo area.
-
E.
Greater Kyoto–Osaka metropolitan area
The Greater Kyoto–Osaka metropolitan area is a major urban and economic region in Japan centered around the cities of Kyoto, Osaka, and Kobe, known for its dense population, industrial output, and cultural significance.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isUrbanRailIn Context triple: [New Tram Nankō Port Town Line, isUrbanRailIn, Osaka metropolitan area]
-
A.
isUrbanRailwayIn
chosen
Indicates that an urban railway system or line is located within or operates inside a specified geographic or administrative area.
-
B.
hasLightRailSystem
Indicates that a place possesses and operates a light rail transit system.
-
C.
hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
-
D.
hasTramway
Indicates that a location or area is served by, contains, or is connected to a tramway system.
-
E.
isOnlyRailSystemIn
Indicates that the subject rail system is the sole rail system operating within the specified area or jurisdiction.
- F. None of above.
Provenance (4 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_69d8278fa2108190bc0d0e7939c1eb03 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de8c2241e48190a0c626b3d741966a |
completed | April 14, 2026, 6:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe0cce10c88190bf25404fc4c75bbf |
completed | May 8, 2026, 4:18 p.m. |
| PD | Predicate disambiguation | batch_69de2a9958e881909d03ac03f135163e |
completed | April 14, 2026, 11:52 a.m. |
Created at: April 10, 2026, 1:14 a.m.