Triple
T1126205
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Ginza Line |
E24724
|
entity |
| Predicate | depot |
P14646
|
FINISHED |
| Object |
Ueno Depot
Ueno Depot is a Tokyo Metro facility that services and stores trains operating on the Ginza Line in Tokyo, Japan.
|
E210816
|
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 Depot | Statement: [Tokyo Metro Ginza Line, depot, Ueno Depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ueno Depot Context triple: [Tokyo Metro Ginza Line, depot, Ueno Depot]
-
A.
Asakusa Station
Asakusa Station is a major railway and subway hub in Tokyo’s historic Asakusa district, serving multiple lines and providing access to popular attractions such as Sensō-ji Temple and the Sumida River area.
-
B.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
C.
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.
-
D.
Ikebukuro Station
Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
-
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 Depot Triple: [Tokyo Metro Ginza Line, depot, Ueno Depot]
Generated description
Ueno Depot is a Tokyo Metro facility that services and stores trains operating on the Ginza Line in Tokyo, Japan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ueno Depot Target entity description: Ueno Depot is a Tokyo Metro facility that services and stores trains operating on the Ginza Line in Tokyo, Japan.
-
A.
Asakusa Station
Asakusa Station is a major railway and subway hub in Tokyo’s historic Asakusa district, serving multiple lines and providing access to popular attractions such as Sensō-ji Temple and the Sumida River area.
-
B.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
C.
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.
-
D.
Ikebukuro Station
Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
-
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_69a4940712c88190aa244f3fc6070a65 |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bbdc2718819094f5519ffb56993b |
completed | March 1, 2026, 10:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69addf1667908190bdcb6d200577418d |
completed | March 8, 2026, 8:41 p.m. |
| NEDg | Description generation | batch_69ade0336d7881908f56b8dcb3577ef2 |
completed | March 8, 2026, 8:46 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ade09cc6d08190b424022c877d42c1 |
completed | March 8, 2026, 8:48 p.m. |
Created at: March 1, 2026, 7:44 p.m.