Triple
T12418855
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Itabashi Station |
E296711
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | Rinkai Line (through services) |
E526222
|
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: Rinkai Line (through services) | Statement: [Itabashi Station, servedByLine, Rinkai Line (through services)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rinkai Line (through services) Context triple: [Itabashi Station, servedByLine, Rinkai Line (through services)]
-
A.
Rinkai Line
chosen
The Rinkai Line is a Tokyo railway line that connects central Tokyo with the waterfront Odaiba area and other bayside districts.
-
B.
Musashino Line
The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
-
C.
Seibu Ikebukuro Line
The Seibu Ikebukuro Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Ikebukuro in central Tokyo with suburban destinations in Saitama Prefecture.
-
D.
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.
-
E.
Tozai Line
The Tozai Line is a major Tokyo Metro subway line that runs east–west across Tokyo, connecting central business districts with suburban residential areas.
- 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_69d6ada0640c81908c061d7fb3d47786 |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d6efd748190a5d9396a343e41e1 |
completed | April 10, 2026, 7:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f634933b9881909fd592ede7c3e49c |
completed | May 2, 2026, 5:29 p.m. |
Created at: April 8, 2026, 9:55 p.m.