Triple

T25276050
Position Surface form Disambiguated ID Type / Status
Subject Société Nationale des Chemins de fer du Congo E633697 entity
Predicate hasPredecessor P97 FINISHED
Object Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville
Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville was a colonial-era railway company that operated key lines in the Katanga region of the former Belgian Congo, facilitating mineral transport and regional connectivity.
E1678233 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: Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville | Statement: [Société Nationale des Chemins de fer du Congo, hasPredecessor, Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville]
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: Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville
Triple: [Société Nationale des Chemins de fer du Congo, hasPredecessor, Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville]
Generated description
Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville was a colonial-era railway company that operated key lines in the Katanga region of the former Belgian Congo, facilitating mineral transport and regional connectivity.

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_6a10896f9a8081908edb3db726d26589 completed May 22, 2026, 4:50 p.m.
NEDg Description generation batch_6a108a2504b8819085f07ef035e63915 completed May 22, 2026, 4:53 p.m.
NED2 Entity disambiguation (via description) batch_6a108afb4ad08190a1e9bcd731d98fcb completed May 22, 2026, 4:57 p.m.
Created at: April 21, 2026, 1:17 p.m.