Triple

T19548823
Position Surface form Disambiguated ID Type / Status
Subject Jirau Dam E489144 entity
Predicate hasShareholder P1553 FINISHED
Object Chesf
Chesf (Companhia Hidro Elétrica do São Francisco) is a major Brazilian state-controlled electric utility company specializing in hydroelectric power generation and transmission in the Northeast region of Brazil.
 E1381976 NE FINISHED

How this triple was built (4 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: Chesf | Statement: [Jirau Dam, hasShareholder, Chesf]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chesf
Context triple: [Jirau Dam, hasShareholder, Chesf]
  • A. Chesser
    Chesser is a residential and commercial district in the southwest of Edinburgh, Scotland, known for its housing estates, retail park, and proximity to the Union Canal.
  • B. Fiez
    Fiez is a small municipality in the canton of Vaud in western Switzerland, situated in the Jura-Nord vaudois district.
  • C. Chequerbent
    Chequerbent is a suburban area within the town of Westhoughton in Greater Manchester, England.
  • D. CHES
    CHES (Cryptographic Hardware and Embedded Systems) is a leading annual conference focused on the design and analysis of cryptographic hardware and security in embedded systems.
  • E. Chéserex
    Chéserex is a small Swiss municipality in the canton of Vaud, situated near the Jura Mountains above Lake Geneva.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
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: Chesf
Triple: [Jirau Dam, hasShareholder, Chesf]
Generated description
Chesf (Companhia Hidro Elétrica do São Francisco) is a major Brazilian state-controlled electric utility company specializing in hydroelectric power generation and transmission in the Northeast region of Brazil.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chesf
Target entity description: Chesf (Companhia Hidro Elétrica do São Francisco) is a major Brazilian state-controlled electric utility company specializing in hydroelectric power generation and transmission in the Northeast region of Brazil.
  • A. Chesser
    Chesser is a residential and commercial district in the southwest of Edinburgh, Scotland, known for its housing estates, retail park, and proximity to the Union Canal.
  • B. Fiez
    Fiez is a small municipality in the canton of Vaud in western Switzerland, situated in the Jura-Nord vaudois district.
  • C. Chequerbent
    Chequerbent is a suburban area within the town of Westhoughton in Greater Manchester, England.
  • D. CHES
    CHES (Cryptographic Hardware and Embedded Systems) is a leading annual conference focused on the design and analysis of cryptographic hardware and security in embedded systems.
  • E. Chéserex
    Chéserex is a small Swiss municipality in the canton of Vaud, situated near the Jura Mountains above Lake Geneva.
  • F. None of above. chosen

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_69d8e8dc5d8c8190a6d7bd8864f43ca0 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e63d2e5e588190ac3a6f612d4fb54b completed April 20, 2026, 2:50 p.m.
NED1 Entity disambiguation (via context triple) batch_6a074e8ab51481908a5f1a67643c0fd4 completed May 15, 2026, 4:49 p.m.
NEDg Description generation batch_6a074fb48c348190ab6cb5571617b942 completed May 15, 2026, 4:54 p.m.
NED2 Entity disambiguation (via description) batch_6a075092eaa08190bc8ec203bb8460a1 completed May 15, 2026, 4:57 p.m.
Created at: April 10, 2026, 1:41 p.m.