Triple

T14625198
Position Surface form Disambiguated ID Type / Status
Subject Pasadena, Texas E343325 entity
Predicate hasFacility P105 FINISHED
Object Pasadena Refining System
Pasadena Refining System is an oil refinery complex located in Pasadena, Texas, that processes crude oil into various petroleum products.
 E1109883 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: Pasadena Refining System | Statement: [Pasadena, Texas, hasFacility, Pasadena Refining System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pasadena Refining System
Context triple: [Pasadena, Texas, hasFacility, Pasadena Refining System]
  • A. Chevron El Segundo Refinery
    Chevron El Segundo Refinery is a major oil refining complex in El Segundo, California, and one of the largest and oldest refineries on the U.S. West Coast.
  • B. Rand Refinery
    Rand Refinery is one of the world’s largest gold refineries and smelting complexes, playing a central role in processing and distributing South African gold.
  • C. Chevron Richmond Refinery
    The Chevron Richmond Refinery is a major oil refining complex in Richmond, California, known for its large-scale petroleum processing operations and significant economic and environmental impact on the region.
  • D. Motiva Port Arthur Refinery
    Motiva Port Arthur Refinery is a major oil refining complex in Port Arthur, Texas, known as one of the largest and most advanced refineries in the United States.
  • E. Cherry Point Refinery
    Cherry Point Refinery is a major oil refinery in Washington State and one of the largest petroleum processing facilities in the Pacific Northwest.
  • 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: Pasadena Refining System
Triple: [Pasadena, Texas, hasFacility, Pasadena Refining System]
Generated description
Pasadena Refining System is an oil refinery complex located in Pasadena, Texas, that processes crude oil into various petroleum products.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pasadena Refining System
Target entity description: Pasadena Refining System is an oil refinery complex located in Pasadena, Texas, that processes crude oil into various petroleum products.
  • A. Chevron El Segundo Refinery
    Chevron El Segundo Refinery is a major oil refining complex in El Segundo, California, and one of the largest and oldest refineries on the U.S. West Coast.
  • B. Rand Refinery
    Rand Refinery is one of the world’s largest gold refineries and smelting complexes, playing a central role in processing and distributing South African gold.
  • C. Chevron Richmond Refinery
    The Chevron Richmond Refinery is a major oil refining complex in Richmond, California, known for its large-scale petroleum processing operations and significant economic and environmental impact on the region.
  • D. Motiva Port Arthur Refinery
    Motiva Port Arthur Refinery is a major oil refining complex in Port Arthur, Texas, known as one of the largest and most advanced refineries in the United States.
  • E. Cherry Point Refinery
    Cherry Point Refinery is a major oil refinery in Washington State and one of the largest petroleum processing facilities in the Pacific Northwest.
  • 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_69d822dffc3c8190aa173b90761bffda completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb46a4a9081908472b0a542028a7f completed April 14, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69fda92a6b9c8190bdb220444cfbe34a completed May 8, 2026, 9:13 a.m.
NEDg Description generation batch_69fdb1ad32a4819088e5831f3d74ea4e completed May 8, 2026, 9:49 a.m.
NED2 Entity disambiguation (via description) batch_69fdb316479c81909343196bb89e5e57 completed May 8, 2026, 9:55 a.m.
Created at: April 10, 2026, 1:26 a.m.