Triple
T1516822
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nankai Electric Railway |
E32139
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
Izumisano Station
Izumisano Station is a railway station in Izumisano, Osaka Prefecture, Japan, functioning as a key stop on lines operated by Nankai Electric Railway.
|
E496274
|
NE FINISHED |
How this triple was built (4 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: Izumisano Station | Statement: [Nankai Electric Railway, servesStation, Izumisano Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Izumisano Station Context triple: [Nankai Electric Railway, servesStation, Izumisano Station]
-
A.
Imazato Station
Imazato Station is a railway station in Osaka, Japan, serving as a local transit hub on the Osaka Metro network.
-
B.
Ikenoue Station
Ikenoue Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and primarily used by local commuters.
-
C.
Sakuragawa Station
Sakuragawa Station is a railway station in Osaka, Japan, serving as a stop on multiple urban transit lines including the Osaka Metro network.
-
D.
Takatsuki Station
Takatsuki Station is a major railway station in Takatsuki, Osaka Prefecture, Japan, serving as an important stop on the JR Kyoto Line between Osaka and Kyoto.
-
E.
Shinanomachi Station
Shinanomachi Station is a railway station in Shinjuku, Tokyo, serving the JR Chūō-Sōbu Line and providing access to nearby sports and medical facilities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Izumisano Station Triple: [Nankai Electric Railway, servesStation, Izumisano Station]
Generated description
Izumisano Station is a railway station in Izumisano, Osaka Prefecture, Japan, functioning as a key stop on lines operated by Nankai Electric Railway.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Izumisano Station Target entity description: Izumisano Station is a railway station in Izumisano, Osaka Prefecture, Japan, functioning as a key stop on lines operated by Nankai Electric Railway.
-
A.
Imazato Station
Imazato Station is a railway station in Osaka, Japan, serving as a local transit hub on the Osaka Metro network.
-
B.
Ikenoue Station
Ikenoue Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and primarily used by local commuters.
-
C.
Sakuragawa Station
Sakuragawa Station is a railway station in Osaka, Japan, serving as a stop on multiple urban transit lines including the Osaka Metro network.
-
D.
Takatsuki Station
Takatsuki Station is a major railway station in Takatsuki, Osaka Prefecture, Japan, serving as an important stop on the JR Kyoto Line between Osaka and Kyoto.
-
E.
Shinanomachi Station
Shinanomachi Station is a railway station in Shinjuku, Tokyo, serving the JR Chūō-Sōbu Line and providing access to nearby sports and medical facilities.
- F. None of above. chosen
Provenance (5 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_69a885e8caf88190a5fbb6159ce87786 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69aa61f688148190bcc7c14372ce5bd1 |
completed | March 6, 2026, 5:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bec330d09c819085930d71b21acb7c |
completed | March 21, 2026, 4:11 p.m. |
| NEDg | Description generation | batch_69bec505a5dc81908f79c1ade107c4ce |
completed | March 21, 2026, 4:19 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bec654fc4881909bf5458cdafc7ffd |
completed | March 21, 2026, 4:24 p.m. |
Created at: March 4, 2026, 7:26 p.m.