Triple
T6203616
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Corporation |
E138695
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object | Musashi Electric Railway |
E277715
|
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: Musashi Electric Railway | Statement: [Keio Corporation, predecessor, Musashi Electric Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Musashi Electric Railway Context triple: [Keio Corporation, predecessor, Musashi Electric Railway]
-
A.
Sanyo Electric Railway
Sanyo Electric Railway is a Japanese private railway company operating commuter rail services primarily in Hyōgo Prefecture, including routes that interconnect with other major regional rail networks.
-
B.
Odakyu Electric Railway
Odakyu Electric Railway is a major private railway company in Japan that operates commuter and limited express train services connecting central Tokyo with surrounding suburban and regional areas.
-
C.
Saitama Railway
Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
-
D.
Seibu Railway
chosen
Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
-
E.
Hankai Tramway Co.
Hankai Tramway Co. is a Japanese private railway company that operates historic streetcar and tram services in the Osaka and Sakai 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_69c008acbea48190991c6b834bb45d65 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0626c23f481909d2b5b0a75c2ffff |
completed | March 22, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7616755d48190b285ff66ccd8bf3a |
completed | March 28, 2026, 5:04 a.m. |
Created at: March 22, 2026, 4:20 p.m.