Triple
T13265559
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fussa, Tokyo |
E315913
|
entity |
| Predicate | servedByRailwayLine |
P848
|
FINISHED |
| Object | Hachikō Line |
E692119
|
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: Hachikō Line | Statement: [Fussa, Tokyo, servedByRailwayLine, Hachikō Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hachikō Line Context triple: [Fussa, Tokyo, servedByRailwayLine, Hachikō Line]
-
A.
JR Hachikō Line
chosen
The JR Hachikō Line is a regional railway line in the Kanto area of Japan operated by JR East, connecting inland cities through Saitama and Tokyo prefectures.
-
B.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
C.
Katamachi Line
The Katamachi Line, also known as the Gakkentoshi Line, is a major commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
-
D.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
E.
Fujikyuko Line
The Fujikyuko Line is a Japanese railway line in Yamanashi Prefecture that connects the Chūō Main Line to the Mount Fuji and Fuji Five Lakes area, serving as a key route for tourists and local commuters.
- 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_69d806b1d9ac8190852c5571d5bd5f0f |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d9901e44bc8190966f87ae219d6bf4 |
completed | April 11, 2026, 12:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a090ae5beb48190a17cd9ea6c0ca0d0 |
completed | May 17, 2026, 12:25 a.m. |
Created at: April 9, 2026, 9:25 p.m.