Triple
T11372454
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Komagome Station |
E269374
|
entity |
| Predicate | JRSection |
P43954
|
FINISHED |
| Object |
Yamanote Line between Sugamo Station and Tabata Station
The Yamanote Line between Sugamo Station and Tabata Station is a segment of Tokyo’s busy circular JR rail loop that passes through the residential and commercial area served by Komagome Station.
|
E921944
|
NE FINISHED |
How this triple was built (5 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: Yamanote Line between Sugamo Station and Tabata Station | Statement: [Komagome Station, JRSection, Yamanote Line between Sugamo Station and Tabata Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yamanote Line between Sugamo Station and Tabata Station Context triple: [Komagome Station, JRSection, Yamanote Line between Sugamo Station and Tabata Station]
-
A.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
-
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.
Narita Line (urban section)
Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
-
D.
Ikebukuro–Ochanomizu section
The Ikebukuro–Ochanomizu section is an early central Tokyo subway corridor linking the Ikebukuro area with the Ochanomizu district as part of the Tokyo Metro Marunouchi Line.
-
E.
Toei Shinjuku Line
The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
- 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: Yamanote Line between Sugamo Station and Tabata Station Triple: [Komagome Station, JRSection, Yamanote Line between Sugamo Station and Tabata Station]
Generated description
The Yamanote Line between Sugamo Station and Tabata Station is a segment of Tokyo’s busy circular JR rail loop that passes through the residential and commercial area served by Komagome Station.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yamanote Line between Sugamo Station and Tabata Station Target entity description: The Yamanote Line between Sugamo Station and Tabata Station is a segment of Tokyo’s busy circular JR rail loop that passes through the residential and commercial area served by Komagome Station.
-
A.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
-
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.
Narita Line (urban section)
Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
-
D.
Ikebukuro–Ochanomizu section
The Ikebukuro–Ochanomizu section is an early central Tokyo subway corridor linking the Ikebukuro area with the Ochanomizu district as part of the Tokyo Metro Marunouchi Line.
-
E.
Toei Shinjuku Line
The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: JRSection Context triple: [Komagome Station, JRSection, Yamanote Line between Sugamo Station and Tabata Station]
-
A.
regionOfJapan
Indicates that one entity is a geographic region that is part of, or located within, Japan.
-
B.
railwayLineSection
chosen
Indicates a specific segment or portion of a railway line that connects two points along the rail network.
-
C.
SeikanTunnelConnects
Indicates that the Seikan Tunnel serves as a physical connection between two geographic locations or regions.
-
D.
SeikanTunnelType
Indicates that one entity is classified as a specific type or category of Seikan Tunnel.
-
E.
hasShinkansenStop
Indicates that a location is served by and includes a stop for a Shinkansen (high-speed rail) line.
- F. None of above.
Provenance (6 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_69d6aacca1048190b39dbbc2174616fa |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d800160a1c81909d115bf89fe54a49 |
completed | April 9, 2026, 7:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5568516a481909ea66cbe53968e84 |
completed | April 19, 2026, 10:26 p.m. |
| NEDg | Description generation | batch_69e562c7de3c8190befb6d7131129a2c |
completed | April 19, 2026, 11:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e56a776390819082d47ad00cf1862b |
completed | April 19, 2026, 11:51 p.m. |
| PD | Predicate disambiguation | batch_69d7e7022d508190996f9be0847c2b41 |
completed | April 9, 2026, 5:50 p.m. |
Created at: April 8, 2026, 9:33 p.m.