Triple
T9814739
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Akihabara Station |
E238372
|
entity |
| Predicate | adjacentStationOnLine |
P41425
|
FINISHED |
| Object |
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.
|
E823558
|
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: Kanda Station on Yamanote Line | Statement: [Akihabara Station, adjacentStationOnLine, Kanda Station on Yamanote Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kanda Station on Yamanote Line Context triple: [Akihabara Station, adjacentStationOnLine, Kanda Station on Yamanote Line]
-
A.
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.
-
B.
Jimbocho Station on Toei Shinjuku Line
Jimbocho Station on the Toei Shinjuku Line is an underground subway station in Tokyo’s Chiyoda ward, serving the Jimbocho district and providing transfers to multiple Tokyo Metro and Toei lines.
-
C.
Meiji-jingumae Station
Meiji-jingumae Station is a major Tokyo subway station in the Harajuku/Meiji Shrine area, serving as a key access point to popular shopping and cultural districts.
-
D.
Hamamatsuchō Station
Hamamatsuchō Station is a major railway hub in Tokyo’s Minato ward that provides convenient access to central Tokyo, Haneda Airport, and the surrounding bayfront area.
-
E.
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
- 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: Kanda Station on Yamanote Line Triple: [Akihabara Station, adjacentStationOnLine, Kanda Station on Yamanote Line]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kanda Station on Yamanote Line Target entity description: 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.
-
A.
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.
-
B.
Jimbocho Station on Toei Shinjuku Line
Jimbocho Station on the Toei Shinjuku Line is an underground subway station in Tokyo’s Chiyoda ward, serving the Jimbocho district and providing transfers to multiple Tokyo Metro and Toei lines.
-
C.
Meiji-jingumae Station
Meiji-jingumae Station is a major Tokyo subway station in the Harajuku/Meiji Shrine area, serving as a key access point to popular shopping and cultural districts.
-
D.
Hamamatsuchō Station
Hamamatsuchō Station is a major railway hub in Tokyo’s Minato ward that provides convenient access to central Tokyo, Haneda Airport, and the surrounding bayfront area.
-
E.
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
- 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_69ca84defac48190abc1148804f184c1 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb2f19660819083e3f15780352052 |
completed | April 2, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1cc67db68819093217c9a74e72fbf |
completed | April 5, 2026, 2:43 a.m. |
| NEDg | Description generation | batch_69d1ccf59c68819082b4aa37e06d2aaf |
completed | April 5, 2026, 2:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1d0d945d48190b56b7fd2ce568a13 |
completed | April 5, 2026, 3:02 a.m. |
Created at: March 30, 2026, 8:30 p.m.