Triple

T15242631
Position Surface form Disambiguated ID Type / Status
Subject Sam Zell E364295 entity
Predicate founded P104 FINISHED
Object Equity Office Properties Trust
Equity Office Properties Trust was one of the largest U.S. real estate investment trusts, known for owning and managing extensive portfolios of office buildings nationwide.
E1145073 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: Equity Office Properties Trust | Statement: [Sam Zell, founded, Equity Office Properties Trust]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Equity Office Properties Trust
Context triple: [Sam Zell, founded, Equity Office Properties Trust]
  • A. Federal Realty Investment Trust
    Federal Realty Investment Trust is a U.S.-based real estate investment trust specializing in owning, managing, and redeveloping high-quality retail and mixed-use properties in major metropolitan markets.
  • B. Oxford Properties Group
    Oxford Properties Group is a global real estate investment, development, and management company known for owning and developing major commercial and mixed-use properties in key urban markets.
  • C. Empire State Realty Trust
    Empire State Realty Trust is a publicly traded real estate investment trust best known for owning and managing the Empire State Building and other office and retail properties, primarily in the New York City area.
  • D. Liberty Property Trust
    Liberty Property Trust was a major U.S. real estate investment trust known for developing and owning prominent office and industrial properties, including landmark skyscrapers.
  • E. Brookfield Properties
    Brookfield Properties is a global real estate company that owns, develops, and operates a large portfolio of premier retail, office, and mixed-use properties.
  • 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: Equity Office Properties Trust
Triple: [Sam Zell, founded, Equity Office Properties Trust]
Generated description
Equity Office Properties Trust was one of the largest U.S. real estate investment trusts, known for owning and managing extensive portfolios of office buildings nationwide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Equity Office Properties Trust
Target entity description: Equity Office Properties Trust was one of the largest U.S. real estate investment trusts, known for owning and managing extensive portfolios of office buildings nationwide.
  • A. Federal Realty Investment Trust
    Federal Realty Investment Trust is a U.S.-based real estate investment trust specializing in owning, managing, and redeveloping high-quality retail and mixed-use properties in major metropolitan markets.
  • B. Oxford Properties Group
    Oxford Properties Group is a global real estate investment, development, and management company known for owning and developing major commercial and mixed-use properties in key urban markets.
  • C. Empire State Realty Trust
    Empire State Realty Trust is a publicly traded real estate investment trust best known for owning and managing the Empire State Building and other office and retail properties, primarily in the New York City area.
  • D. Liberty Property Trust
    Liberty Property Trust was a major U.S. real estate investment trust known for developing and owning prominent office and industrial properties, including landmark skyscrapers.
  • E. Brookfield Properties
    Brookfield Properties is a global real estate company that owns, develops, and operates a large portfolio of premier retail, office, and mixed-use properties.
  • 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_69d85a0dde7481908fc64d1e82d5d20d completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e007dcc33081908545ea1a1d2c19fe completed April 15, 2026, 9:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69fedd41b7c48190917385c6c61370b2 completed May 9, 2026, 7:07 a.m.
NEDg Description generation batch_69fedf49f1c88190857cb1555e98c97e completed May 9, 2026, 7:16 a.m.
NED2 Entity disambiguation (via description) batch_69fee06a90448190b7733aa5ee8a5d62 completed May 9, 2026, 7:21 a.m.
Created at: April 10, 2026, 3:13 a.m.