Triple
T13628429
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ueno-Tokyo Line |
E325648
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | JR East commuter rail network |
E132032
|
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: JR East commuter rail network | Statement: [Ueno-Tokyo Line, partOfNetwork, JR East commuter rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR East commuter rail network Context triple: [Ueno-Tokyo Line, partOfNetwork, JR East commuter rail network]
-
A.
JR East urban network
chosen
The JR East urban network is a dense system of commuter and suburban railway lines in the Greater Tokyo and surrounding metropolitan areas operated by East Japan Railway Company (JR East).
-
B.
JR East rail lines
JR East rail lines are a network of passenger railway services operated by the East Japan Railway Company that connect major cities and regions across eastern Honshu, including Chiba.
-
C.
JR Tōzai Line urban network
The JR Tōzai Line urban network is a commuter rail system in the Kansai region of Japan that connects central Osaka with surrounding areas via the JR Tōzai Line.
-
D.
Tokyu railway network
The Tokyu railway network is a major private rail system in the Greater Tokyo area, operated by Tokyu Corporation and serving key suburban and urban corridors including central hubs like Shibuya.
-
E.
Keio railway network
The Keio railway network is a private railway system in the Tokyo metropolitan area operated by Keio Corporation, linking central Tokyo with its western suburbs through multiple commuter lines.
- 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_69d8076aae28819092cf636190ee5529 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbbe9d803481908101def32817b0eb |
completed | April 12, 2026, 3:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f77fa895f081908f72a0746afeabed |
completed | May 3, 2026, 5:02 p.m. |
Created at: April 9, 2026, 9:51 p.m.