Triple
T1195516
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Inokashira Line |
E25658
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
|
E363320
|
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: Eifukuchō Station | Statement: [Keio Inokashira Line, hasStation, Eifukuchō Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eifukuchō Station Context triple: [Keio Inokashira Line, hasStation, Eifukuchō Station]
-
A.
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.
-
B.
Kanamecho Station
Kanamecho Station is a subway station in Toshima, Tokyo, serving as a stop on the Tokyo Metro network.
-
C.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, Japan.
-
D.
Otsuka Station
Otsuka Station is a railway station in Tokyo, Japan, served by JR East and known for its location on the busy Yamanote Line loop.
-
E.
Kichijōji Station
Kichijōji Station is a major railway hub in Tokyo’s Musashino area, serving multiple lines and providing access to the popular Kichijōji shopping and entertainment district as well as Inokashira Park.
- 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: Eifukuchō Station Triple: [Keio Inokashira Line, hasStation, Eifukuchō Station]
Generated description
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Eifukuchō Station Target entity description: Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
-
A.
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.
-
B.
Kanamecho Station
Kanamecho Station is a subway station in Toshima, Tokyo, serving as a stop on the Tokyo Metro network.
-
C.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, Japan.
-
D.
Otsuka Station
Otsuka Station is a railway station in Tokyo, Japan, served by JR East and known for its location on the busy Yamanote Line loop.
-
E.
Kichijōji Station
Kichijōji Station is a major railway hub in Tokyo’s Musashino area, serving multiple lines and providing access to the popular Kichijōji shopping and entertainment district as well as Inokashira Park.
- 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_69a49429f5ec8190a6a205eb0ae81e5e |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd78f61c8190bdba2255d35a8fe4 |
completed | March 1, 2026, 10:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b37371fbc08190abc2d3a1dd2f4e9a |
completed | March 13, 2026, 2:16 a.m. |
| NEDg | Description generation | batch_69b3773ca1148190ac2e83428b36eea4 |
completed | March 13, 2026, 2:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b3779b017481909d6e085f8795fe5f |
completed | March 13, 2026, 2:34 a.m. |
Created at: March 1, 2026, 7:46 p.m.