Triple
T21331839
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kintetsu Keihanna Line |
E525922
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Gakken Nara-Tomigaoka Station |
—
|
NE NERFINISHED |
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: Gakken Nara-Tomigaoka Station | Statement: [Kintetsu Keihanna Line, terminus, Gakken Nara-Tomigaoka Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gakken Nara-Tomigaoka Station Context triple: [Kintetsu Keihanna Line, terminus, Gakken Nara-Tomigaoka Station]
-
A.
Gakuen-mae Station
Gakuen-mae Station is a railway station in Japan operated by Kintetsu Railway, serving as a key stop for students and commuters along the Kintetsu network.
-
B.
Okachimachi Station
Okachimachi Station is a busy JR East railway station in Tokyo, Japan, serving the Ueno/Ameyoko shopping district and connecting central urban transit lines.
-
C.
Mitakadai Station
Mitakadai Station is a railway station in Tokyo, Japan, operated by Keio Corporation on its Inokashira Line.
-
D.
Nagatacho Station
Nagatacho Station is a major Tokyo subway station in the Nagatachō district that serves as an important transfer hub near Japan’s political center, including the National Diet and government offices.
-
E.
Hikarigaoka Station
Hikarigaoka Station is a subway station in Nerima, Tokyo, serving as the western terminus of the Toei Ōedo Line.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gakken Nara-Tomigaoka Station Target entity description: Gakken Nara-Tomigaoka Station is a railway station in Nara, Japan, serving as a key commuter hub on the Kintetsu network.
-
A.
Gakuen-mae Station
Gakuen-mae Station is a railway station in Japan operated by Kintetsu Railway, serving as a key stop for students and commuters along the Kintetsu network.
-
B.
Okachimachi Station
Okachimachi Station is a busy JR East railway station in Tokyo, Japan, serving the Ueno/Ameyoko shopping district and connecting central urban transit lines.
-
C.
Mitakadai Station
Mitakadai Station is a railway station in Tokyo, Japan, operated by Keio Corporation on its Inokashira Line.
-
D.
Nagatacho Station
Nagatacho Station is a major Tokyo subway station in the Nagatachō district that serves as an important transfer hub near Japan’s political center, including the National Diet and government offices.
-
E.
Hikarigaoka Station
Hikarigaoka Station is a subway station in Nerima, Tokyo, serving as the western terminus of the Toei Ōedo Line.
- F. None of above. chosen
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_69e0b51b90788190a4dd823d962626da |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7ab54706081909445f9cd91a43788 |
completed | April 21, 2026, 4:52 p.m. |
Created at: April 16, 2026, 4:42 p.m.