Triple
T9942874
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metropolitan Bureau of Transportation |
E194125
|
entity |
| Predicate | publicTransportAuthorityFor |
P14467
|
FINISHED |
| Object | Tokyo Sakura Tram |
E843931
|
NE FINISHED |
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 Sakura Tram | Statement: [Tokyo Metropolitan Bureau of Transportation, publicTransportAuthorityFor, Tokyo Sakura Tram]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo Sakura Tram Context triple: [Tokyo Metropolitan Bureau of Transportation, publicTransportAuthorityFor, Tokyo Sakura Tram]
-
A.
Tokyo Sakura Tram
chosen
Tokyo Sakura Tram is a historic streetcar line in Tokyo that runs through northern and eastern parts of the city, offering a rare surviving example of traditional tram service in Japan’s capital.
-
B.
Tokyo Monorail
Tokyo Monorail is an urban transit line in Tokyo that provides rapid rail service between central Tokyo and Haneda Airport.
-
C.
Osaka Monorail
Osaka Monorail is a straddle-beam monorail system in Osaka Prefecture, Japan, serving as a major urban transit line linking key suburbs, commercial areas, and transport hubs.
-
D.
Kyoto Tango Railway
Kyoto Tango Railway is a regional railway operator in Japan’s northern Kyoto Prefecture, known for running local and sightseeing trains along the scenic Tango Peninsula and surrounding areas.
-
E.
Tama Monorail
Tama Monorail is a straddle-beam monorail line in Tokyo, Japan, providing urban transit service through the Tama area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca82e409348190a393777356b80a2a |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdb6124a188190b41feadb7b2f8922 |
completed | April 2, 2026, 12:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d3000b21088190aa3ebb2ccbce9a6e |
completed | April 6, 2026, 12:36 a.m. |
Created at: March 30, 2026, 8:45 p.m.