Triple
T14572947
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sōbu Line |
E341964
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Keisei Main Line |
E875077
|
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: Keisei Main Line | Statement: [Sōbu Line, connectsWith, Keisei Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keisei Main Line Context triple: [Sōbu Line, connectsWith, Keisei Main Line]
-
A.
Keisei Main Line
chosen
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.
San'yō Electric Railway Main Line
The San'yō Electric Railway Main Line is a major private railway route in Japan’s Kansai region, running along the Seto Inland Sea coast and connecting cities in Hyōgo Prefecture.
-
E.
Hōhi Main Line
The Hōhi Main Line is a major railway line in Kyushu, Japan, connecting Kumamoto and Ōita across the island’s interior.
- 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_69d822dcc6248190bed689984bceb0e2 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69deb3f33b1c8190bb447788bfd28d51 |
completed | April 14, 2026, 9:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0b123d57b08190b6cbdd33574bccee |
completed | May 18, 2026, 1:21 p.m. |
Created at: April 10, 2026, 1:24 a.m.