Triple

T24004593

Position	Surface form	Disambiguated ID	Type / Status
Subject	B&O’s New York passenger department	`E594335`	entity
Predicate	usedBrand	`P42926`	FINISHED
Object	Royal Blue Line Royal Blue Line was a premier passenger train service brand of the Baltimore & Ohio Railroad, known for its luxurious and fast service between New York and Washington, D.C.	`E1627630`	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: Royal Blue Line | Statement: [B&O’s New York passenger department, usedBrand, Royal Blue 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: Royal Blue Line
Triple: [B&O’s New York passenger department, usedBrand, Royal Blue Line]

Generated description

Royal Blue Line was a premier passenger train service brand of the Baltimore & Ohio Railroad, known for its luxurious and fast service between New York and Washington, D.C.

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_69e288b9ecf08190b8c94a278f5674fe`	completed	April 17, 2026, 7:23 p.m.
NER	Named-entity recognition	`batch_69f1d4681fd88190949c5c91d4f94910`	completed	April 29, 2026, 9:50 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0fc9981d5881909d9602e515fdb957`	completed	May 22, 2026, 3:12 a.m.
NEDg	Description generation	`batch_6a0fcb0d718c81909c02cea23a2bffdc`	completed	May 22, 2026, 3:18 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0fcbe6adc8819094c7d659d5ee63e3`	completed	May 22, 2026, 3:22 a.m.

Created at: April 17, 2026, 9:40 p.m.