Triple

T8353289
Position Surface form Disambiguated ID Type / Status
Subject Los Pelambres mine E196613 entity
Predicate hasExpansionProject P50445 FINISHED
Object Los Pelambres Expansion Project
The Los Pelambres Expansion Project is a major mining development initiative aimed at increasing production capacity and extending the operational life of the Los Pelambres copper mine in Chile.
E727541 NE FINISHED

How this triple was built (5 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: Los Pelambres Expansion Project | Statement: [Los Pelambres mine, hasExpansionProject, Los Pelambres Expansion Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Pelambres Expansion Project
Context triple: [Los Pelambres mine, hasExpansionProject, Los Pelambres Expansion Project]
  • A. San Pedro Waterfront redevelopment
    San Pedro Waterfront redevelopment is a large-scale urban revitalization project aimed at transforming the Los Angeles Harbor’s historic San Pedro waterfront into a modern mixed-use destination with new public spaces, commercial areas, and recreational amenities.
  • B. Alexandra Renewal Project
    The Alexandra Renewal Project is an urban redevelopment initiative aimed at upgrading housing, infrastructure, and community facilities in the Alexandra township of Johannesburg, South Africa.
  • C. Hanga Roa
    Hanga Roa is the main town and only significant urban center on Easter Island, serving as its administrative, cultural, and tourism hub.
  • D. Malecón de Esperanza
    Malecón de Esperanza is a scenic seaside promenade in the town of Esperanza on Vieques Island, Puerto Rico, known for its ocean views, restaurants, and relaxed coastal atmosphere.
  • E. Newlands Reclamation Project
    The Newlands Reclamation Project is one of the earliest U.S. federal irrigation projects, designed to divert water from the Truckee and Carson Rivers to transform arid Nevada lands into productive agricultural areas.
  • 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: Los Pelambres Expansion Project
Triple: [Los Pelambres mine, hasExpansionProject, Los Pelambres Expansion Project]
Generated description
The Los Pelambres Expansion Project is a major mining development initiative aimed at increasing production capacity and extending the operational life of the Los Pelambres copper mine in Chile.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Los Pelambres Expansion Project
Target entity description: The Los Pelambres Expansion Project is a major mining development initiative aimed at increasing production capacity and extending the operational life of the Los Pelambres copper mine in Chile.
  • A. San Pedro Waterfront redevelopment
    San Pedro Waterfront redevelopment is a large-scale urban revitalization project aimed at transforming the Los Angeles Harbor’s historic San Pedro waterfront into a modern mixed-use destination with new public spaces, commercial areas, and recreational amenities.
  • B. Alexandra Renewal Project
    The Alexandra Renewal Project is an urban redevelopment initiative aimed at upgrading housing, infrastructure, and community facilities in the Alexandra township of Johannesburg, South Africa.
  • C. Hanga Roa
    Hanga Roa is the main town and only significant urban center on Easter Island, serving as its administrative, cultural, and tourism hub.
  • D. Malecón de Esperanza
    Malecón de Esperanza is a scenic seaside promenade in the town of Esperanza on Vieques Island, Puerto Rico, known for its ocean views, restaurants, and relaxed coastal atmosphere.
  • E. Newlands Reclamation Project
    The Newlands Reclamation Project is one of the earliest U.S. federal irrigation projects, designed to divert water from the Truckee and Carson Rivers to transform arid Nevada lands into productive agricultural areas.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasExpansionProject
Context triple: [Los Pelambres mine, hasExpansionProject, Los Pelambres Expansion Project]
  • A. hasExpansion
    Indicates that one entity serves as a larger, extended, or elaborated form of another entity.
  • B. expansionProject chosen
    Indicates a project whose primary purpose is to enlarge, extend, or increase the capacity, scope, or reach of something.
  • C. hasExpansionType
    Indicates that an entity is associated with a particular mode or category of expansion (such as how it grows, extends, or scales).
  • D. hasProject
    Indicates that an entity is associated with or responsible for a particular project.
  • E. hasProjectIn
    Indicates that an entity is involved with or associated with a project that takes place within a specified location or context.
  • 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_69ca82f08b348190bfb7881944bbff6f completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb804756088190a766e1a486ccfdff completed March 31, 2026, 8:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69cdc75e94288190ba1905dd4ca172dd completed April 2, 2026, 1:33 a.m.
NEDg Description generation batch_69cdcc86626c8190a4206feedea24b41 completed April 2, 2026, 1:55 a.m.
NED2 Entity disambiguation (via description) batch_69cdcde02e088190be8220f7d18d6700 completed April 2, 2026, 2:01 a.m.
PD Predicate disambiguation batch_69cb70c6d0ec8190acf273b0e007b51a completed March 31, 2026, 6:59 a.m.
Created at: March 30, 2026, 5:59 p.m.