Triple
T11223096
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shin-Okubo Station |
E265620
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
Yamanote Line stations
Yamanote Line stations are the train stops located along Tokyo’s busy circular Yamanote Line, one of the city’s most important and heavily used rail routes.
|
E912182
|
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: Yamanote Line stations | Statement: [Shin-Okubo Station, category, Yamanote Line stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yamanote Line stations Context triple: [Shin-Okubo Station, category, Yamanote Line stations]
-
A.
Kanda Station on Yamanote Line
Kanda Station on the Yamanote Line is a major railway station in central Tokyo that serves as a key commuter hub near the city's business districts.
-
B.
Mejiro Station on Yamanote Line
Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
-
C.
Osaki Station on Yamanote Line
Osaki Station on the Yamanote Line is a major railway hub in Tokyo’s Shinagawa ward, serving as a key stop and operational base on the city’s central loop line.
-
D.
Taisho Station
Taisho Station is a railway and subway station in Osaka, Japan, serving as a key access point to the nearby Kyocera Dome Osaka stadium.
-
E.
JR Lines at Kanda
JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
- 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: Yamanote Line stations Triple: [Shin-Okubo Station, category, Yamanote Line stations]
Generated description
Yamanote Line stations are the train stops located along Tokyo’s busy circular Yamanote Line, one of the city’s most important and heavily used rail routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yamanote Line stations Target entity description: Yamanote Line stations are the train stops located along Tokyo’s busy circular Yamanote Line, one of the city’s most important and heavily used rail routes.
-
A.
Kanda Station on Yamanote Line
Kanda Station on the Yamanote Line is a major railway station in central Tokyo that serves as a key commuter hub near the city's business districts.
-
B.
Mejiro Station on Yamanote Line
Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
-
C.
Osaki Station on Yamanote Line
Osaki Station on the Yamanote Line is a major railway hub in Tokyo’s Shinagawa ward, serving as a key stop and operational base on the city’s central loop line.
-
D.
Taisho Station
Taisho Station is a railway and subway station in Osaka, Japan, serving as a key access point to the nearby Kyocera Dome Osaka stadium.
-
E.
JR Lines at Kanda
JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
- 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_69d6aac59460819089b9848b27f57848 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8ec8fb08190b27144ab65f85957 |
completed | April 9, 2026, 5:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4977cab4481909c6b94ca07cd5e4a |
completed | April 19, 2026, 8:51 a.m. |
| NEDg | Description generation | batch_69e49d38c2488190bfd4ba7772f534fe |
completed | April 19, 2026, 9:15 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e49e8dc4ec81908d0defe77827d197 |
completed | April 19, 2026, 9:21 a.m. |
Created at: April 8, 2026, 9:30 p.m.