Triple
T10945555
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Namboku Line |
E258586
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Shirokanedai Station
Shirokanedai Station is an underground railway station in Tokyo, Japan, serving passengers on the Tokyo Metro network.
|
E1181953
|
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: Shirokanedai Station | Statement: [Tokyo Metro Namboku Line, hasStation, Shirokanedai Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shirokanedai Station Context triple: [Tokyo Metro Namboku Line, hasStation, Shirokanedai Station]
-
A.
Komagome Station
Komagome Station is a railway station in Tokyo, Japan, served by JR East and the Tokyo Metro, providing access to the residential and commercial areas of the Komagome district.
-
B.
Osaki Station
Osaki Station is a major railway hub in Tokyo, Japan, serving multiple JR East lines and connecting central Tokyo with surrounding suburban areas.
-
C.
Kawaramachi Station
Kawaramachi Station is a major railway terminal in central Kyoto, Japan, serving as a key urban transit point and commercial hub on the Hankyu Kyoto Line.
-
D.
Urawa Station
Urawa Station is a major railway hub in Saitama, Japan, connecting multiple JR East lines and serving as an important commuter gateway to central Tokyo.
-
E.
Daigo Station
Daigo Station is a subway station in Kyoto, Japan, serving the Kyoto Municipal Subway network and providing access to the Daigo area and nearby cultural sites.
- 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: Shirokanedai Station Triple: [Tokyo Metro Namboku Line, hasStation, Shirokanedai Station]
Generated description
Shirokanedai Station is an underground railway station in Tokyo, Japan, serving passengers on the Tokyo Metro network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Shirokanedai Station Target entity description: Shirokanedai Station is an underground railway station in Tokyo, Japan, serving passengers on the Tokyo Metro network.
-
A.
Komagome Station
Komagome Station is a railway station in Tokyo, Japan, served by JR East and the Tokyo Metro, providing access to the residential and commercial areas of the Komagome district.
-
B.
Osaki Station
Osaki Station is a major railway hub in Tokyo, Japan, serving multiple JR East lines and connecting central Tokyo with surrounding suburban areas.
-
C.
Kawaramachi Station
Kawaramachi Station is a major railway terminal in central Kyoto, Japan, serving as a key urban transit point and commercial hub on the Hankyu Kyoto Line.
-
D.
Urawa Station
Urawa Station is a major railway hub in Saitama, Japan, connecting multiple JR East lines and serving as an important commuter gateway to central Tokyo.
-
E.
Daigo Station
Daigo Station is a subway station in Kyoto, Japan, serving the Kyoto Municipal Subway network and providing access to the Daigo area and nearby cultural sites.
- 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_69d6aa8769b4819082bfe5e61b9017f0 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d770e9a89081908979efd1d9e6af66 |
completed | April 9, 2026, 9:27 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffa92635b08190a333702bec5b94e9 |
completed | May 9, 2026, 9:37 p.m. |
| NEDg | Description generation | batch_69ffaae751108190af653b2c9b9d3b8b |
completed | May 9, 2026, 9:45 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffab58e7e481908a13b739e0401b8b |
completed | May 9, 2026, 9:47 p.m. |
Created at: April 8, 2026, 9:23 p.m.