Triple
T14064069
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chūō Main Line |
E338417
|
entity |
| Predicate | nativeName |
P15
|
FINISHED |
| Object | 中央本線 |
E338417
|
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: 中央本線 | Statement: [Chūō Main Line, nativeName, 中央本線]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 中央本線 Context triple: [Chūō Main Line, nativeName, 中央本線]
-
A.
Keisei Main Line
The Keisei Main Line is a major private railway line in the Tokyo area operated by Keisei Electric Railway, connecting central Tokyo with Narita and Chiba Prefecture.
-
B.
Nippō Main Line
The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
-
C.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
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.
Chūō Main Line
chosen
The Chūō Main Line is a major Japanese railway line operated by JR that runs through central Tokyo and connects the capital with inland regions such as Nagano via key urban hubs.
- 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_69d81c67ba6c819091935650dfb3b895 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5689c7f48190a47ca94eaa8a9ef9 |
completed | April 14, 2026, 3 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb6673de881909653c7691422b800 |
completed | May 7, 2026, 3:57 p.m. |
Created at: April 9, 2026, 10:21 p.m.