Triple

T22902379

Position	Surface form	Disambiguated ID	Type / Status
Subject	Tateyama	`E568355`	entity
Predicate	hasTransportation	`P105`	FINISHED
Object	JR East Uchibō Line The JR East Uchibō Line is a railway line in Chiba Prefecture, Japan, operated by East Japan Railway Company (JR East) that runs along the western and southern coast of the Bōsō Peninsula, connecting various coastal cities and towns.	`E1957196`	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: JR East Uchibō Line | Statement: [Tateyama, hasTransportation, JR East Uchibō 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: JR East Uchibō Line
Triple: [Tateyama, hasTransportation, JR East Uchibō Line]

Generated description

The JR East Uchibō Line is a railway line in Chiba Prefecture, Japan, operated by East Japan Railway Company (JR East) that runs along the western and southern coast of the Bōsō Peninsula, connecting various coastal cities and towns.

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_69e2458cd9e48190943ad2e34485d939`	completed	April 17, 2026, 2:37 p.m.
NER	Named-entity recognition	`batch_69f18016d8e481908fc47d003156b800`	completed	April 29, 2026, 3:50 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a2a1e014f008190a6f84a9ddd32eca7`	completed	June 11, 2026, 2:31 a.m.
NEDg	Description generation	`batch_6a2a2823d8408190b62a5e80e6878daf`	completed	June 11, 2026, 3:14 a.m.
NED2	Entity disambiguation (via description)	`batch_6a2a288b41bc8190bfdc652f18191347`	completed	June 11, 2026, 3:16 a.m.

Created at: April 17, 2026, 3:41 p.m.