Triple
T13281682
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maizuru |
E316336
|
entity |
| Predicate | servedByRailwayLine |
P848
|
FINISHED |
| Object | Obama Line |
E864341
|
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: Obama Line | Statement: [Maizuru, servedByRailwayLine, Obama Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Obama Line Context triple: [Maizuru, servedByRailwayLine, Obama Line]
-
A.
Obama Line
chosen
The Obama Line is a regional railway line in Japan’s Kansai region that connects coastal towns along Wakasa Bay, including Maizuru, providing local passenger rail services.
-
B.
Barack Obama presidency
The Barack Obama presidency was the two-term administration of the 44th President of the United States, marked by the Affordable Care Act, the recovery from the Great Recession, and a foreign policy emphasizing multilateralism and the killing of Osama bin Laden.
-
C.
Obama for America
Obama for America was the official campaign organization for Barack Obama’s presidential bids, responsible for fundraising, organizing volunteers, and managing his electoral strategy.
-
D.
Barack Obama
Barack Obama is an American politician and attorney who served as the 44th president of the United States and the first African American to hold the office.
-
E.
Bush Key
Bush Key is a small, uninhabited island in the Dry Tortugas known for its important seabird nesting colonies and protected natural habitat.
- 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_69d806b349908190a9a61dd9323bf153 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d9904507588190a303686d176ec3e1 |
completed | April 11, 2026, 12:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f70a592d748190b55129515f71e979 |
completed | May 3, 2026, 8:42 a.m. |
Created at: April 9, 2026, 9:27 p.m.