Triple

T13143853
Position Surface form Disambiguated ID Type / Status
Subject Empresa de los Ferrocarriles del Estado E312284 entity
Predicate hasSubsidiary P254 FINISHED
Object Terrasur
Terrasur is a Chilean intercity passenger rail service operated under the state-owned railway company Empresa de los Ferrocarriles del Estado (EFE).
 E1025047 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: Terrasur | Statement: [Empresa de los Ferrocarriles del Estado, hasSubsidiary, Terrasur]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Terrasur
Context triple: [Empresa de los Ferrocarriles del Estado, hasSubsidiary, Terrasur]
  • A. Terra Chã
    Terra Chã is a civil parish on Terceira Island in the Azores, Portugal, forming part of the municipality of Angra do Heroísmo.
  • B. Mapun
    Mapun is an Austronesian language spoken primarily by the Mapun people of the southern Philippines, particularly on Mapun (Cagayan de Sulu) Island in the Sulu Sea.
  • C. Terra do Sal
    Terra do Sal is a nickname for Mossoró, a city in Brazil’s Rio Grande do Norte state known for its significant salt production.
  • D. Terra da Garoa
    Terra da Garoa is a popular nickname for the Brazilian metropolis of São Paulo, alluding to its characteristic light, misty rain.
  • E. Spiralia
    Spiralia is a major clade of protostome animals that includes diverse invertebrate groups such as mollusks, annelids, and flatworms, characterized by spiral cleavage during early embryonic development.
  • 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: Terrasur
Triple: [Empresa de los Ferrocarriles del Estado, hasSubsidiary, Terrasur]
Generated description
Terrasur is a Chilean intercity passenger rail service operated under the state-owned railway company Empresa de los Ferrocarriles del Estado (EFE).
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Terrasur
Target entity description: Terrasur is a Chilean intercity passenger rail service operated under the state-owned railway company Empresa de los Ferrocarriles del Estado (EFE).
  • A. Terra Chã
    Terra Chã is a civil parish on Terceira Island in the Azores, Portugal, forming part of the municipality of Angra do Heroísmo.
  • B. Mapun
    Mapun is an Austronesian language spoken primarily by the Mapun people of the southern Philippines, particularly on Mapun (Cagayan de Sulu) Island in the Sulu Sea.
  • C. Terra do Sal
    Terra do Sal is a nickname for Mossoró, a city in Brazil’s Rio Grande do Norte state known for its significant salt production.
  • D. Terra da Garoa
    Terra da Garoa is a popular nickname for the Brazilian metropolis of São Paulo, alluding to its characteristic light, misty rain.
  • E. Spiralia
    Spiralia is a major clade of protostome animals that includes diverse invertebrate groups such as mollusks, annelids, and flatworms, characterized by spiral cleavage during early embryonic development.
  • 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_69d806aabde48190899e13e41659cae5 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98bce3678819082a7aa1d83f20592 completed April 10, 2026, 11:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6eae4a87881908be57e15f001c904 completed May 3, 2026, 6:27 a.m.
NEDg Description generation batch_69f6f05a3dd48190a8b2c52f64a2edd0 completed May 3, 2026, 6:51 a.m.
NED2 Entity disambiguation (via description) batch_69f6f1a7c8108190a9668d2f0bb634b1 completed May 3, 2026, 6:56 a.m.
Created at: April 9, 2026, 9:10 p.m.