Triple
T7824461
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | E-27 |
E181211
|
entity |
| Predicate | associatedWithRailNetwork |
P76977
|
FINISHED |
| Object | Tokyo urban rail network |
E173398
|
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: Tokyo urban rail network | Statement: [E-27, associatedWithRailNetwork, Tokyo urban rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo urban rail network Context triple: [E-27, associatedWithRailNetwork, 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.
Osaka urban rail network
The Osaka urban rail network is an extensive system of commuter and rapid transit lines serving Osaka and its surrounding metropolitan area, integrating multiple railway operators into a dense, high-frequency transport grid.
-
E.
Tokyo Metro Hanzomon Line at Oshiage
Tokyo Metro Hanzomon Line at Oshiage is the segment of Tokyo’s Hanzomon subway line that serves Oshiage Station, a key interchange point near the Tokyo Skytree.
- 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: associatedWithRailNetwork Context triple: [E-27, associatedWithRailNetwork, Tokyo urban rail network]
-
A.
relatedRailroad
chosen
Indicates that there is an association or connection between an entity and a specific railroad, such as ownership, operation, service, or historical linkage.
-
B.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
-
C.
railNetworkRole
Indicates the specific function or responsibility an entity has within a rail network system.
-
D.
namedTrainAssociation
Indicates an association between a specific train and a designated name or service label assigned to that train.
-
E.
associatedWithLocomotive
Indicates a relationship where something is connected or related to a locomotive, such as by use, function, origin, or context.
- 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_69ca8282ccec819083c48efb72d21cf9 |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cafa0c1f5c8190b16db20daad159a1 |
completed | March 30, 2026, 10:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cb14aefd4881908ffa5825f4ba6eff |
completed | March 31, 2026, 12:26 a.m. |
| PD | Predicate disambiguation | batch_69cae91ae008819098e56bbe51143b31 |
completed | March 30, 2026, 9:20 p.m. |
Created at: March 30, 2026, 4:42 p.m.