Triple

T27011998
Position Surface form Disambiguated ID Type / Status
Subject Chūō Line (Rapid) E680414 entity
Predicate usesRollingStock P5426 FINISHED
Object E353 series EMU
The E353 series EMU is a modern tilting electric multiple unit operated by JR East in Japan, primarily used for limited express services such as Azusa and Kaiji.
E1772592 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: E353 series EMU | Statement: [Chūō Line (Rapid), usesRollingStock, E353 series EMU]
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: E353 series EMU
Triple: [Chūō Line (Rapid), usesRollingStock, E353 series EMU]
Generated description
The E353 series EMU is a modern tilting electric multiple unit operated by JR East in Japan, primarily used for limited express services such as Azusa and Kaiji.

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_69eeeb53939c8190bd431f32b060f01f completed April 27, 2026, 4:51 a.m.
NER Named-entity recognition batch_69f621fd9e148190ad88ea06663957f8 completed May 2, 2026, 4:10 p.m.
NED1 Entity disambiguation (via context triple) batch_6a12b21cac388190a1e3eb92a2957a3e completed May 24, 2026, 8:09 a.m.
NEDg Description generation batch_6a12b365f1fc81909dd44f94d75924e2 completed May 24, 2026, 8:14 a.m.
NED2 Entity disambiguation (via description) batch_6a12b42bd380819087489bdeb2dbfab7 completed May 24, 2026, 8:17 a.m.
Created at: April 27, 2026, 7:03 a.m.