Triple
T1195514
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Inokashira Line |
E25658
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Higashi-Matsubara Station
Higashi-Matsubara Station is a railway station in Tokyo, Japan, serving passengers on a private suburban commuter line operated by Keio Corporation.
|
E359448
|
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: Higashi-Matsubara Station | Statement: [Keio Inokashira Line, hasStation, Higashi-Matsubara Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Higashi-Matsubara Station Context triple: [Keio Inokashira Line, hasStation, Higashi-Matsubara Station]
-
A.
Miebashi Station
Miebashi Station is a monorail station on the Okinawa Urban Monorail (Yui Rail) system serving central Naha in Okinawa, Japan.
-
B.
Asahibashi Station
Asahibashi Station is a monorail station in Naha, Okinawa, serving as a key stop on the Okinawa Urban Monorail (Yui Rail) system.
-
C.
Shindaita Station
Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira Line.
-
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.
Kawaguchi Station
Kawaguchi Station is a railway station in Kawaguchi, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).
- 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: Higashi-Matsubara Station Triple: [Keio Inokashira Line, hasStation, Higashi-Matsubara Station]
Generated description
Higashi-Matsubara Station is a railway station in Tokyo, Japan, serving passengers on a private suburban commuter line operated by Keio Corporation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Higashi-Matsubara Station Target entity description: Higashi-Matsubara Station is a railway station in Tokyo, Japan, serving passengers on a private suburban commuter line operated by Keio Corporation.
-
A.
Miebashi Station
Miebashi Station is a monorail station on the Okinawa Urban Monorail (Yui Rail) system serving central Naha in Okinawa, Japan.
-
B.
Asahibashi Station
Asahibashi Station is a monorail station in Naha, Okinawa, serving as a key stop on the Okinawa Urban Monorail (Yui Rail) system.
-
C.
Shindaita Station
Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira Line.
-
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.
Kawaguchi Station
Kawaguchi Station is a railway station in Kawaguchi, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).
- 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_69b36067f47881908de481e1350bcaff |
completed | March 13, 2026, 12:55 a.m. |
| NEDg | Description generation | batch_69b3614702348190bd35c37d2059312f |
completed | March 13, 2026, 12:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b362451b848190a2fe80a17ab8f9c3 |
completed | March 13, 2026, 1:03 a.m. |
Created at: March 1, 2026, 7:46 p.m.