Triple

T10455741
Position Surface form Disambiguated ID Type / Status
Subject Maizuru E246547 entity
Predicate servedByRailwayLine P848 FINISHED
Object Obama Line
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.
E864341 NE FINISHED

How this triple was built (4 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. 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.
  • B. 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.
  • C. Bush Key
    Bush Key is a small, uninhabited island in the Dry Tortugas known for its important seabird nesting colonies and protected natural habitat.
  • D. Clinton
    Clinton is a small New England town in Worcester County, Massachusetts, known historically for its textile mills and the nearby Wachusett Reservoir.
  • E. Clinton
    Clinton, also known as Hell's Kitchen, is a vibrant New York City neighborhood on Manhattan’s West Side known for its diverse dining, Off-Broadway theaters, and proximity to Midtown.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Obama Line
Triple: [Maizuru, servedByRailwayLine, Obama Line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Obama Line
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Bush Key
    Bush Key is a small, uninhabited island in the Dry Tortugas known for its important seabird nesting colonies and protected natural habitat.
  • D. Clinton
    Clinton is a small New England town in Worcester County, Massachusetts, known historically for its textile mills and the nearby Wachusett Reservoir.
  • E. Clinton
    Clinton, also known as Hell's Kitchen, is a vibrant New York City neighborhood on Manhattan’s West Side known for its diverse dining, Off-Broadway theaters, and proximity to Midtown.
  • F. None of above. chosen

Provenance (5 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_69d381c04fe08190957c26c526a3b05a completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4fe48d15c8190bae0d4859e6cda5d completed April 7, 2026, 12:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69d87f10b45c81908f1d3128c65750f8 completed April 10, 2026, 4:39 a.m.
NEDg Description generation batch_69d886c562c081908aae846da8efb1a5 completed April 10, 2026, 5:12 a.m.
NED2 Entity disambiguation (via description) batch_69d88dd0c28481908008aea09bf956ca completed April 10, 2026, 5:42 a.m.
Created at: April 6, 2026, 12:18 p.m.