Triple
T186239
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shibuya, Tokyo, Japan |
E3985
|
entity |
| Predicate | servedByRailLine |
P1293
|
FINISHED |
| Object |
Tokyo Metro Ginza Line
The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
|
E24724
|
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: Tokyo Metro Ginza Line | Statement: [Shibuya, Tokyo, Japan, servedByRailLine, Tokyo Metro Ginza Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Ginza Line Context triple: [Shibuya, Tokyo, Japan, servedByRailLine, Tokyo Metro Ginza Line]
-
A.
Central Subway
Central Subway is a light rail extension of San Francisco’s Muni Metro system that provides improved north–south transit service, including a key connection to the Chinatown neighborhood.
-
B.
JR Shonan–Shinjuku Line
The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
JR Yamanote Line
The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
-
E.
Osaka Metro
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
- 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: Tokyo Metro Ginza Line Triple: [Shibuya, Tokyo, Japan, servedByRailLine, Tokyo Metro Ginza Line]
Generated description
The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Ginza Line Target entity description: The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
-
A.
Central Subway
Central Subway is a light rail extension of San Francisco’s Muni Metro system that provides improved north–south transit service, including a key connection to the Chinatown neighborhood.
-
B.
JR Shonan–Shinjuku Line
The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
JR Yamanote Line
The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
-
E.
Osaka Metro
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
- 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_69a25497e2f08190a040f8c6e1842643 |
completed | Feb. 28, 2026, 2:36 a.m. |
| NER | Named-entity recognition | batch_69a2594809288190b3d3b1283e7e0d00 |
completed | Feb. 28, 2026, 2:56 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a31159301481909a3521339d2338fa |
completed | Feb. 28, 2026, 4:01 p.m. |
| NEDg | Description generation | batch_69a3138da9888190848b490ccb5ddf15 |
completed | Feb. 28, 2026, 4:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a313f9e0f881909e2b03bcd5f19876 |
completed | Feb. 28, 2026, 4:12 p.m. |
Created at: Feb. 28, 2026, 2:40 a.m.