Triple
T1195518
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Inokashira Line |
E25658
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Hamadayama Station
Hamadayama Station is a railway station in Suginami, Tokyo, Japan, operated by the private railway operator Keio Corporation.
|
E368362
|
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: Hamadayama Station | Statement: [Keio Inokashira Line, hasStation, Hamadayama Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hamadayama Station Context triple: [Keio Inokashira Line, hasStation, Hamadayama 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.
Shindaita Station
Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira Line.
-
C.
Tenma Station
Tenma Station is a railway station in Osaka, Japan, serving local commuter traffic on the Osaka Loop Line.
-
D.
Zoshigaya Station
Zoshigaya Station is an underground subway station in Tokyo, Japan, serving the local Zoshigaya area with connections to central city districts.
-
E.
Miebashi Station
Miebashi Station is a monorail station on the Okinawa Urban Monorail (Yui Rail) system serving central Naha in Okinawa, Japan.
- 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: Hamadayama Station Triple: [Keio Inokashira Line, hasStation, Hamadayama Station]
Generated description
Hamadayama Station is a railway station in Suginami, Tokyo, Japan, operated by the private railway operator Keio Corporation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hamadayama Station Target entity description: Hamadayama Station is a railway station in Suginami, Tokyo, Japan, operated by the private railway operator Keio Corporation.
-
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.
Shindaita Station
Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira Line.
-
C.
Tenma Station
Tenma Station is a railway station in Osaka, Japan, serving local commuter traffic on the Osaka Loop Line.
-
D.
Zoshigaya Station
Zoshigaya Station is an underground subway station in Tokyo, Japan, serving the local Zoshigaya area with connections to central city districts.
-
E.
Miebashi Station
Miebashi Station is a monorail station on the Okinawa Urban Monorail (Yui Rail) system serving central Naha in Okinawa, Japan.
- 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_69b38b9e52688190bd9dc7fb17e892f8 |
completed | March 13, 2026, 3:59 a.m. |
| NEDg | Description generation | batch_69b3b30fa650819088654b109d6e9fb9 |
completed | March 13, 2026, 6:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b3b36664fc81908a084ed2f75af44a |
completed | March 13, 2026, 6:49 a.m. |
Created at: March 1, 2026, 7:46 p.m.