Triple

T4998019
Position Surface form Disambiguated ID Type / Status
Subject Springfield Town Center E112294 entity
Predicate owner P347 FINISHED
Object Pennsylvania Real Estate Investment Trust
Pennsylvania Real Estate Investment Trust is a publicly traded real estate investment trust that specializes in owning and managing shopping malls and retail properties, primarily in the Mid-Atlantic region of the United States.
E484715 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: Pennsylvania Real Estate Investment Trust | Statement: [Springfield Town Center, owner, Pennsylvania Real Estate Investment Trust]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Real Estate Investment Trust
Context triple: [Springfield Town Center, owner, Pennsylvania Real Estate Investment Trust]
  • A. 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.
  • B. 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.
  • C. Prudential Realty Group
    Prudential Realty Group is a real estate development and investment firm associated with major commercial projects, including prominent office skyscrapers.
  • D. Pritzker Realty Group
    Pritzker Realty Group is a private real estate investment and development firm founded and led by business executive and philanthropist Penny Pritzker.
  • E. Highwoods Properties
    Highwoods Properties is a U.S.-based real estate investment trust (REIT) specializing in owning, developing, and managing office properties, particularly in major business districts across the Southeast and Mid-Atlantic regions.
  • 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: Pennsylvania Real Estate Investment Trust
Triple: [Springfield Town Center, owner, Pennsylvania Real Estate Investment Trust]
Generated description
Pennsylvania Real Estate Investment Trust is a publicly traded real estate investment trust that specializes in owning and managing shopping malls and retail properties, primarily in the Mid-Atlantic region of the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Real Estate Investment Trust
Target entity description: Pennsylvania Real Estate Investment Trust is a publicly traded real estate investment trust that specializes in owning and managing shopping malls and retail properties, primarily in the Mid-Atlantic region of the United States.
  • A. 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.
  • B. 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.
  • C. Prudential Realty Group
    Prudential Realty Group is a real estate development and investment firm associated with major commercial projects, including prominent office skyscrapers.
  • D. Pritzker Realty Group
    Pritzker Realty Group is a private real estate investment and development firm founded and led by business executive and philanthropist Penny Pritzker.
  • E. Highwoods Properties
    Highwoods Properties is a U.S.-based real estate investment trust (REIT) specializing in owning, developing, and managing office properties, particularly in major business districts across the Southeast and Mid-Atlantic regions.
  • 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_69bd4432b32c81909f3b3c6bd10f0653 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd72ba2e588190bfd76beda0c4105c completed March 20, 2026, 4:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69be8a38484881909893e5450dc33265 completed March 21, 2026, 12:08 p.m.
NEDg Description generation batch_69be8c40d7b0819099af4f350e3bd10b completed March 21, 2026, 12:17 p.m.
NED2 Entity disambiguation (via description) batch_69be8c9eaf1c81908ef0a2d8fb7d48e7 completed March 21, 2026, 12:18 p.m.
Created at: March 20, 2026, 1:34 p.m.