Triple

T38429449

Position	Surface form	Disambiguated ID	Type / Status
Subject	D400–D449	`E903757`	entity
Predicate	associatedWithClassificationSystem	`P6736`	FINISHED
Object	pre-TOPS British Railways numbering Pre-TOPS British Railways numbering was the locomotive and multiple unit identification system used by British Rail before the introduction of the TOPS computerised classification scheme in the 1970s.	`E2269974`	NE FINISHED

How this triple was built (3 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: pre-TOPS British Railways numbering | Statement: [D400–D449, associatedWithClassificationSystem, pre-TOPS British Railways numbering]

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: pre-TOPS British Railways numbering
Triple: [D400–D449, associatedWithClassificationSystem, pre-TOPS British Railways numbering]

Generated description

Pre-TOPS British Railways numbering was the locomotive and multiple unit identification system used by British Rail before the introduction of the TOPS computerised classification scheme in the 1970s.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: associatedWithClassificationSystem
Context triple: [D400–D449, associatedWithClassificationSystem, pre-TOPS British Railways numbering]

A. classificationSystemName
Indicates the name or label assigned to a particular classification system used to categorize or organize entities.
B. associatedHealthClassification
Indicates a relationship where one entity is linked to a specific health-related category, status, or classification.
C. classificationSystem chosen
Indicates a relationship where an entity is organized or categorized according to a particular classification scheme or taxonomy.
D. associatedWithClass
Indicates that an entity has a connection or linkage to a particular class or category, without specifying the exact nature of that relationship.
E. associatedSystem
Indicates that one entity is functionally or contextually linked to a particular system with which it interacts or to which it belongs.
F. None of above.

Provenance (6 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_69f76e6a2024819081aa04f4932f89d2`	completed	May 3, 2026, 3:48 p.m.
NER	Named-entity recognition	`batch_6a037c903be48190a2fafa53d7d50d42`	completed	May 12, 2026, 7:16 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a41c2909b1c819096f2369ae91335e0`	completed	June 29, 2026, 12:55 a.m.
NEDg	Description generation	`batch_6a41c3c4ef1c8190a88b7bf1a2b782fa`	completed	June 29, 2026, 1 a.m.
NED2	Entity disambiguation (via description)	`batch_6a41c6066520819087dbfcda0751628b`	completed	June 29, 2026, 1:10 a.m.
PD	Predicate disambiguation	`batch_6a037a1e32108190897356d6a7fed879`	completed	May 12, 2026, 7:06 p.m.

Created at: May 3, 2026, 4:31 p.m.