Triple
T1146065
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Yamanote Line |
E23567
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object |
Ueno Station
Ueno Station is a major railway and subway hub in Tokyo, Japan, serving as a key gateway to the city’s northeastern regions and nearby cultural attractions like Ueno Park and its museums.
|
E232565
|
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 Station | Statement: [JR Yamanote Line, connects, Ueno Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ueno Station Context triple: [JR Yamanote Line, connects, Ueno Station]
-
A.
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.
-
B.
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.
-
C.
Ueno Depot
Ueno Depot is a Tokyo Metro facility that services and stores trains operating on the Ginza Line in Tokyo, Japan.
-
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.
Shibuya Station
Shibuya Station is one of Tokyo’s busiest and most important railway hubs, serving multiple train and subway lines and anchoring the famous Shibuya shopping and entertainment district.
- 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 Station Triple: [JR Yamanote Line, connects, Ueno Station]
Generated description
Ueno Station is a major railway and subway hub in Tokyo, Japan, serving as a key gateway to the city’s northeastern regions and nearby cultural attractions like Ueno Park and its museums.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ueno Station Target entity description: Ueno Station is a major railway and subway hub in Tokyo, Japan, serving as a key gateway to the city’s northeastern regions and nearby cultural attractions like Ueno Park and its museums.
-
A.
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.
-
B.
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.
-
C.
Ueno Depot
Ueno Depot is a Tokyo Metro facility that services and stores trains operating on the Ginza Line in Tokyo, Japan.
-
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.
Shibuya Station
Shibuya Station is one of Tokyo’s busiest and most important railway hubs, serving multiple train and subway lines and anchoring the famous Shibuya shopping and entertainment district.
- 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_69a493ef399c8190b04b9146d2314f59 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4bc6e8c2081909fb3534413b7aacb |
completed | March 1, 2026, 10:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae26ce527c8190988fd9a97ad06895 |
completed | March 9, 2026, 1:47 a.m. |
| NEDg | Description generation | batch_69ae2763b4b08190b733e8342a52f75e |
completed | March 9, 2026, 1:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae27d10bf08190a14fa1ca906646f8 |
completed | March 9, 2026, 1:52 a.m. |
Created at: March 1, 2026, 7:44 p.m.