Triple
T11286461
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toei Oedo Line |
E267201
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Ueno-Okachimachi Station |
E525902
|
NE FINISHED |
How this triple was built (2 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: Ueno-Okachimachi Station | Statement: [Toei Oedo Line, hasStation, Ueno-Okachimachi Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ueno-Okachimachi Station Context triple: [Toei Oedo Line, hasStation, Ueno-Okachimachi Station]
-
A.
Ueno-okachimachi Station
chosen
Ueno-okachimachi Station is a subway station in Tokyo, Japan, serving the Toei Ōedo Line and providing convenient transfers to several nearby JR and Tokyo Metro stations in the Ueno and Okachimachi area.
-
B.
Ueno-hirokoji Station
Ueno-hirokoji Station is an underground Tokyo Metro station on the Ginza Line serving the busy Ueno and Okachimachi commercial and cultural district in Taitō, Tokyo.
-
C.
Nagatachō Station
Nagatachō Station is a major Tokyo Metro subway station in central Tokyo that serves the government district near the National Diet and numerous ministry buildings.
-
D.
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.
-
E.
Hibiya Station
Hibiya Station is a major Tokyo subway hub in the Chiyoda district, serving multiple lines and providing convenient access to nearby business, shopping, and cultural landmarks.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aac993a08190a6f36445ebaf9a43 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e986b0f08190a414749eaa7f1a5d |
completed | April 9, 2026, 6:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a03cc075a1881909fef72945e47d68a |
completed | May 13, 2026, 12:55 a.m. |
Created at: April 8, 2026, 9:32 p.m.