Triple
T4127121
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chōfu |
E92751
|
entity |
| Predicate | railwayStation |
P918
|
FINISHED |
| Object |
Chōfu Station
Chōfu Station is a major railway hub in Chōfu, Tokyo, serving as an important stop on the Keio railway network for commuters traveling between western Tokyo and central Tokyo.
|
E865962
|
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: Chōfu Station | Statement: [Chōfu, railwayStation, Chōfu Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chōfu Station Context triple: [Chōfu, railwayStation, Chōfu Station]
-
A.
Hachiōji Station
Hachiōji Station is a major railway hub in Hachiōji, Tokyo, serving multiple JR East lines and connecting the western suburbs of the Tokyo metropolitan area.
-
B.
Nippori Station
Nippori Station is a major railway hub in Tokyo’s Arakawa ward, serving multiple JR lines and the Keisei Skyliner with convenient access to both central Tokyo and Narita Airport.
-
C.
Musashi-Koganei Station
Musashi-Koganei Station is a railway station in Koganei, Tokyo, serving as a key stop on the JR Chūō Line for commuters and visitors in western Tokyo.
-
D.
Shinjuku-sanchome Station
Shinjuku-sanchome Station is a major underground railway station in Tokyo’s Shinjuku district that serves multiple Tokyo Metro lines and provides convenient access to shopping, entertainment, and business areas.
-
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: Chōfu Station Triple: [Chōfu, railwayStation, Chōfu Station]
Generated description
Chōfu Station is a major railway hub in Chōfu, Tokyo, serving as an important stop on the Keio railway network for commuters traveling between western Tokyo and central Tokyo.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chōfu Station Target entity description: Chōfu Station is a major railway hub in Chōfu, Tokyo, serving as an important stop on the Keio railway network for commuters traveling between western Tokyo and central Tokyo.
-
A.
Hachiōji Station
Hachiōji Station is a major railway hub in Hachiōji, Tokyo, serving multiple JR East lines and connecting the western suburbs of the Tokyo metropolitan area.
-
B.
Nippori Station
Nippori Station is a major railway hub in Tokyo’s Arakawa ward, serving multiple JR lines and the Keisei Skyliner with convenient access to both central Tokyo and Narita Airport.
-
C.
Musashi-Koganei Station
Musashi-Koganei Station is a railway station in Koganei, Tokyo, serving as a key stop on the JR Chūō Line for commuters and visitors in western Tokyo.
-
D.
Shinjuku-sanchome Station
Shinjuku-sanchome Station is a major underground railway station in Tokyo’s Shinjuku district that serves multiple Tokyo Metro lines and provides convenient access to shopping, entertainment, and business areas.
-
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_69aed9685f70819086932777aec8d959 |
completed | March 9, 2026, 2:30 p.m. |
| NER | Named-entity recognition | batch_69af021b17a08190b520101f54ec1e33 |
completed | March 9, 2026, 5:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d89eedc66c81909076cc7ba35f9da5 |
completed | April 10, 2026, 6:55 a.m. |
| NEDg | Description generation | batch_69d8a2f4bbec8190a5c508c6431d71b2 |
completed | April 10, 2026, 7:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d8aff34c7081909c3504e00f56d9ec |
completed | April 10, 2026, 8:08 a.m. |
Created at: March 9, 2026, 3:42 p.m.