Triple

T25276069

Position	Surface form	Disambiguated ID	Type / Status
Subject	Société Nationale des Chemins de fer du Congo	`E633697`	entity
Predicate	keyHubStation	`P86029`	FINISHED
Object	Kananga railway station Kananga railway station is a major railway hub in the Democratic Republic of the Congo, serving as a central junction in the national rail network operated by the state railway company.	`E1670206`	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: Kananga railway station | Statement: [Société Nationale des Chemins de fer du Congo, keyHubStation, Kananga railway station]

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: Kananga railway station
Triple: [Société Nationale des Chemins de fer du Congo, keyHubStation, Kananga railway station]

Generated description

Kananga railway station is a major railway hub in the Democratic Republic of the Congo, serving as a central junction in the national rail network operated by the state railway company.

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_69e75a92f48881909974ff9c11150a2e`	completed	April 21, 2026, 11:08 a.m.
NER	Named-entity recognition	`batch_69f48ba6eb208190823b251f5888044a`	completed	May 1, 2026, 11:16 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a1067fd380c8190b7bf268368a7c974`	completed	May 22, 2026, 2:28 p.m.
NEDg	Description generation	`batch_6a1068aea8c88190b74dfa3f7386f860`	completed	May 22, 2026, 2:31 p.m.
NED2	Entity disambiguation (via description)	`batch_6a10694a8b4c81909a08075cbc76c9a9`	completed	May 22, 2026, 2:33 p.m.

Created at: April 21, 2026, 1:17 p.m.