Triple
T16092099
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marunouchi Line |
E390381
|
entity |
| Predicate | hasBranch |
P35
|
FINISHED |
| Object | Marunouchi Line Hōnanchō branch |
E390381
|
NE FINISHED |
How this triple was built (2 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: Marunouchi Line Hōnanchō branch | Statement: [Marunouchi Line, hasBranch, Marunouchi Line Hōnanchō branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Marunouchi Line Hōnanchō branch Context triple: [Marunouchi Line, hasBranch, Marunouchi Line Hōnanchō branch]
-
A.
Marunouchi Line
chosen
The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
-
B.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail network.
-
C.
Maizuru Line
The Maizuru Line is a regional railway line in Kyoto Prefecture, Japan, operated by JR West that connects the city of Maizuru with the broader rail network.
-
D.
Itsukaichi Line
The Itsukaichi Line is a regional railway line in western Tokyo, Japan, operated by JR East, connecting suburban communities with the broader Tokyo rail network.
-
E.
Nagahori Tsurumi-ryokuchi Line
The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d87f198bc48190a8b7e53ca15b7ead |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e1858d1264819099434d7201614d05 |
completed | April 17, 2026, 12:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffeb9550f0819092660f6c4b0d708e |
completed | May 10, 2026, 2:21 a.m. |
Created at: April 10, 2026, 4:59 a.m.