Triple
T6084585
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyu 5050 series |
E135605
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Tokyu Corporation |
E137281
|
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: Tokyu Corporation | Statement: [Tokyu 5050 series, operator, Tokyu Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyu Corporation Context triple: [Tokyu 5050 series, operator, Tokyu Corporation]
-
A.
Tokyu Corporation
chosen
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
B.
Tokyu Car Corporation
Tokyu Car Corporation was a Japanese rolling stock manufacturer known for producing a wide range of electric multiple units, commuter trains, and other railway vehicles for domestic and international operators.
-
C.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
-
D.
Keikyu Corporation
Keikyu Corporation is a major private railway operator in the Greater Tokyo area, best known for its commuter and airport rail services connecting central Tokyo with Haneda Airport and the Miura Peninsula.
-
E.
Kintetsu Group Holdings
Kintetsu Group Holdings is a major Japanese corporate group centered on railway, retail, and real estate businesses, best known for operating the Kintetsu Railway network in the Kansai region.
- 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_69c0087bcc788190b20f093d3a6c60ec |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c057891dc88190997c4e32b2261fb3 |
completed | March 22, 2026, 8:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c11d5c743c81908a3454af2caa10a1 |
completed | March 23, 2026, 11 a.m. |
Created at: March 22, 2026, 4:12 p.m.