Triple
T23161995
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | E217 series |
E578610
|
entity |
| Predicate | usedFor |
P98
|
FINISHED |
| Object | Yokosuka Line–Sobu Line through services via Tokyo |
—
|
NE NERFINISHED |
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: Yokosuka Line–Sobu Line through services via Tokyo | Statement: [E217 series, usedFor, Yokosuka Line–Sobu Line through services via Tokyo]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yokosuka Line–Sobu Line through services via Tokyo Context triple: [E217 series, usedFor, Yokosuka Line–Sobu Line through services via Tokyo]
-
A.
Itsukaichi Line (through services)
The Itsukaichi Line (through services) is a Japanese railway service pattern that allows trains to run directly between the Itsukaichi Line and connecting lines without requiring passengers to transfer.
-
B.
through services with Shōnan–Shinjuku Line
chosen
Through services with the Shōnan–Shinjuku Line are train operations that run directly between the Yokosuka Line and Shōnan–Shinjuku Line routes without requiring passengers to transfer.
-
C.
Seibu Chichibu Line
The Seibu Chichibu Line is a railway line in Japan that connects suburban Saitama Prefecture with the Chichibu region, serving as an important commuter and tourist route.
-
D.
Chūō-Sōbu Line
The Chūō-Sōbu Line is a busy commuter rail line in Tokyo and Chiba, Japan, running local services that connect central Tokyo with its western suburbs and eastern neighboring prefecture.
-
E.
JR West Kodama service
JR West Kodama service is a local Shinkansen train operation on the Sanyo Shinkansen line, making frequent stops and providing slower, all-stations high-speed rail service compared to faster limited-stop trains.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245fc75348190a0288401044c8af8 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18f019cd881908e3c68d99454da2a |
completed | April 29, 2026, 4:54 a.m. |
Created at: April 17, 2026, 4:02 p.m.