Triple

T2161394
Position Surface form Disambiguated ID Type / Status
Subject Berkeley Engineering E46807 entity
Predicate hasNotableFacility P105 FINISHED
Object O’Brien Hall
O’Brien Hall is a key academic and research building associated with the College of Engineering at the University of California, Berkeley.
 E252861 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: O’Brien Hall | Statement: [Berkeley Engineering, hasNotableFacility, O’Brien Hall]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: O’Brien Hall
Context triple: [Berkeley Engineering, hasNotableFacility, O’Brien Hall]
  • A. Davis Hall
    Davis Hall is a major academic and research building at UC Berkeley that houses key facilities for the College of Engineering, particularly in civil and environmental engineering.
  • B. McGraw Hall
    McGraw Hall is one of Cornell University's historic academic buildings, prominently located on the Arts Quad and housing various humanities and social science departments.
  • C. Dekalb Hall
    Dekalb Hall is a notable building on Pratt Institute’s Brooklyn campus, serving as one of the institute’s key academic and student-use facilities.
  • D. Wurster Hall
    Wurster Hall is a prominent Brutalist-style academic building at the University of California, Berkeley, housing the College of Environmental Design’s architecture, landscape architecture, and planning programs.
  • E. Kerr Hall
    Kerr Hall is a major academic and classroom complex at Toronto Metropolitan University in downtown Toronto, known for its distinctive quadrangle layout and central campus location.
  • 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: O’Brien Hall
Triple: [Berkeley Engineering, hasNotableFacility, O’Brien Hall]
Generated description
O’Brien Hall is a key academic and research building associated with the College of Engineering at the University of California, Berkeley.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: O’Brien Hall
Target entity description: O’Brien Hall is a key academic and research building associated with the College of Engineering at the University of California, Berkeley.
  • A. Davis Hall
    Davis Hall is a major academic and research building at UC Berkeley that houses key facilities for the College of Engineering, particularly in civil and environmental engineering.
  • B. McGraw Hall
    McGraw Hall is one of Cornell University's historic academic buildings, prominently located on the Arts Quad and housing various humanities and social science departments.
  • C. Dekalb Hall
    Dekalb Hall is a notable building on Pratt Institute’s Brooklyn campus, serving as one of the institute’s key academic and student-use facilities.
  • D. Wurster Hall
    Wurster Hall is a prominent Brutalist-style academic building at the University of California, Berkeley, housing the College of Environmental Design’s architecture, landscape architecture, and planning programs.
  • E. Kerr Hall
    Kerr Hall is a major academic and classroom complex at Toronto Metropolitan University in downtown Toronto, known for its distinctive quadrangle layout and central campus location.
  • 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_69a88a184cbc8190877791f6552c2484 completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abbe89e6ac8190b4b4bc0be4fe7aa9 completed March 7, 2026, 5:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae7ef6b5988190a50e7c807756347e completed March 9, 2026, 8:04 a.m.
NEDg Description generation batch_69ae80988bb88190a71f04377c166cee completed March 9, 2026, 8:11 a.m.
NED2 Entity disambiguation (via description) batch_69ae80f20f98819092d9254638ebeba4 completed March 9, 2026, 8:12 a.m.
Created at: March 4, 2026, 7:45 p.m.