Triple

T36813129
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metro 02 series (former) E909648 entity
Predicate operatedOnSection P203674 FINISHED
Object Nakano-Sakaue–Honancho branch of Marunouchi Line
The Nakano-Sakaue–Honancho branch of the Marunouchi Line is a short spur of Tokyo’s Marunouchi subway line that diverges at Nakano-Sakaue Station to serve the Honancho area in western Tokyo.
E2199783 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: Nakano-Sakaue–Honancho branch of Marunouchi Line | Statement: [Tokyo Metro 02 series (former), operatedOnSection, Nakano-Sakaue–Honancho branch of Marunouchi Line]
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: Nakano-Sakaue–Honancho branch of Marunouchi Line
Triple: [Tokyo Metro 02 series (former), operatedOnSection, Nakano-Sakaue–Honancho branch of Marunouchi Line]
Generated description
The Nakano-Sakaue–Honancho branch of the Marunouchi Line is a short spur of Tokyo’s Marunouchi subway line that diverges at Nakano-Sakaue Station to serve the Honancho area in western Tokyo.

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_69f76e7cbbf48190891227b14d041139 completed May 3, 2026, 3:49 p.m.
NER Named-entity recognition batch_6a01c4c7d060819084ab813d09fc5219 completed May 11, 2026, noon
NED1 Entity disambiguation (via context triple) batch_6a3d17b8b44c819090d6d169324f0cba completed June 25, 2026, 11:57 a.m.
NEDg Description generation batch_6a3d183c0fb88190932c763aa87aa485 completed June 25, 2026, 11:59 a.m.
NED2 Entity disambiguation (via description) batch_6a3dca0c18208190a44872db42cc6214 completed June 26, 2026, 12:38 a.m.
Created at: May 3, 2026, 4:13 p.m.