Triple
T20896203
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nankai limited express EMUs |
E514542
|
entity |
| Predicate | includesSeries |
P1393
|
FINISHED |
| Object | Nankai 50000 series |
—
|
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: Nankai 50000 series | Statement: [Nankai limited express EMUs, includesSeries, Nankai 50000 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nankai 50000 series Context triple: [Nankai limited express EMUs, includesSeries, Nankai 50000 series]
-
A.
Nankai 1000 series
The Nankai 1000 series is a Japanese electric multiple unit train type operated by Nankai Electric Railway on commuter services in the Osaka area.
-
B.
Nankai 2200 series
The Nankai 2200 series is a type of electric multiple unit train operated by Nankai Electric Railway in Japan for commuter services.
-
C.
Hankyu 5300 series
The Hankyu 5300 series is a Japanese electric multiple unit train type operated by Hankyu Railway, primarily used for commuter services in the Kansai region.
-
D.
Nagoya 5000 series trains
The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
-
E.
Nankai limited express EMUs
chosen
Nankai limited express EMUs are high-speed electric multiple unit trains operated by Nankai Electric Railway in Japan, primarily used for limited express passenger services including those on the Koya Line.
- 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_69e0b4f7ebe48190952a85547a0f31a1 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6d06233588190942493b709e30820 |
completed | April 21, 2026, 1:18 a.m. |
Created at: April 16, 2026, 12:47 p.m.