Triple
T1860624
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Taitō |
E34802
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
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.
|
E525810
|
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: Ueno-hirokoji Station | Statement: [Taitō, hasRailwayStation, Ueno-hirokoji Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ueno-hirokoji Station Context triple: [Taitō, hasRailwayStation, Ueno-hirokoji Station]
-
A.
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.
-
B.
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
-
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.
Nishi-Waseda Station
Nishi-Waseda Station is an underground subway station in Shinjuku, Tokyo, served by the Tokyo Metro Fukutoshin Line.
-
E.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, 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: Ueno-hirokoji Station Triple: [Taitō, hasRailwayStation, Ueno-hirokoji Station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ueno-hirokoji Station Target entity description: 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.
-
A.
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.
-
B.
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
-
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.
Nishi-Waseda Station
Nishi-Waseda Station is an underground subway station in Shinjuku, Tokyo, served by the Tokyo Metro Fukutoshin Line.
-
E.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, 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_69a88600b2f88190bc09303e68ab517e |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69abb09caee881908efe8aa38471298c |
completed | March 7, 2026, 4:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf9f4cba048190afe8aa775fa81e5a |
completed | March 22, 2026, 7:50 a.m. |
| NEDg | Description generation | batch_69bf9f81dd5081909fda4f4e4d0528d2 |
completed | March 22, 2026, 7:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bfa039df908190b689e4f967c9908e |
completed | March 22, 2026, 7:54 a.m. |
Created at: March 4, 2026, 7:34 p.m.