Triple
T21304173
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Iriya Station |
E525148
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Tokyo urban rail network |
—
|
NE NERFINISHED |
How this triple was built (2 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: Tokyo urban rail network | Statement: [Iriya Station, isPartOf, Tokyo urban rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo urban rail network Context triple: [Iriya Station, isPartOf, Tokyo urban rail network]
-
A.
Tokyo metropolitan rail network
chosen
The Tokyo metropolitan rail network is an extensive, high-frequency urban and suburban railway system in Greater Tokyo, renowned for its punctuality, complexity, and integration of multiple private and public rail operators.
-
B.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
-
C.
JR Tōzai Line urban network
The JR Tōzai Line urban network is a commuter rail system in the Kansai region of Japan that connects central Osaka with surrounding areas via the JR Tōzai Line.
-
D.
Nagoya metropolitan area rail network
The Nagoya metropolitan area rail network is an extensive system of urban and suburban railway lines centered on Nagoya, Japan, integrating JR, private, and subway services to connect the city with its surrounding region.
-
E.
Kyoto urban rail network
The Kyoto urban rail network is an integrated system of railway and tram lines that connects Kyoto’s historic districts, residential areas, and surrounding suburbs, serving as a primary mode of public transportation in the city.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b518b8948190ad69cf9a8784d397 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e75aa212388190b367290526feb380 |
completed | April 21, 2026, 11:08 a.m. |
Created at: April 16, 2026, 4:05 p.m.