Triple
T6203604
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Corporation |
E138695
|
entity |
| Predicate | ownsLine |
P69641
|
FINISHED |
| Object | Keio Takao Line |
E812513
|
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: Keio Takao Line | Statement: [Keio Corporation, ownsLine, Keio Takao Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keio Takao Line Context triple: [Keio Corporation, ownsLine, Keio Takao Line]
-
A.
Keio Takao Line
chosen
The Keio Takao Line is a commuter railway line in the Tokyo area operated by Keio Corporation, providing access toward the Mount Takao region.
-
B.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
C.
Meitetsu Mikawa Line
The Meitetsu Mikawa Line is a Japanese railway line in Aichi Prefecture operated by Nagoya Railroad (Meitetsu), connecting several cities in the region including Toyota City.
-
D.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
E.
Marunouchi Line
The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
- 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_69d2571ac8ec8190bf59c2cec5e2e6e2 |
completed | April 5, 2026, 12:35 p.m. |
Created at: March 22, 2026, 4:20 p.m.