Triple

T707856
Position Surface form Disambiguated ID Type / Status
Subject World Trade Center (reconstructed complex) E14139 entity
Predicate developer P73 FINISHED
Object Silverstein Properties
Silverstein Properties is a New York City–based real estate development and investment firm best known for owning and redeveloping major commercial properties in Manhattan, including the World Trade Center site.
 E84268 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: Silverstein Properties | Statement: [World Trade Center (reconstructed complex), developer, Silverstein Properties]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Silverstein Properties
Context triple: [World Trade Center (reconstructed complex), developer, Silverstein Properties]
  • A. Tishman Speyer
    Tishman Speyer is a global real estate development and investment firm known for owning and managing landmark commercial properties in major cities worldwide.
  • B. 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.
  • C. 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.
  • D. The Durst Organization
    The Durst Organization is a prominent New York City–based real estate development and management company known for its portfolio of major commercial skyscrapers and sustainable office buildings.
  • E. Vici Properties
    Vici Properties is a large publicly traded real estate investment trust (REIT) that specializes in owning gaming, hospitality, and entertainment properties across the United States.
  • 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: Silverstein Properties
Triple: [World Trade Center (reconstructed complex), developer, Silverstein Properties]
Generated description
Silverstein Properties is a New York City–based real estate development and investment firm best known for owning and redeveloping major commercial properties in Manhattan, including the World Trade Center site.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Silverstein Properties
Target entity description: Silverstein Properties is a New York City–based real estate development and investment firm best known for owning and redeveloping major commercial properties in Manhattan, including the World Trade Center site.
  • A. Tishman Speyer
    Tishman Speyer is a global real estate development and investment firm known for owning and managing landmark commercial properties in major cities worldwide.
  • B. 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.
  • C. 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.
  • D. The Durst Organization
    The Durst Organization is a prominent New York City–based real estate development and management company known for its portfolio of major commercial skyscrapers and sustainable office buildings.
  • E. Vici Properties
    Vici Properties is a large publicly traded real estate investment trust (REIT) that specializes in owning gaming, hospitality, and entertainment properties across the United States.
  • 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_69a493494ec48190ae6751683625a9ba completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a5477bb48190a2032edc83a24720 completed March 1, 2026, 8:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5dcb1795c8190a178e14509b8b271 completed March 2, 2026, 6:53 p.m.
NEDg Description generation batch_69a5de4387f081909fc3f7c7db03a375 completed March 2, 2026, 7 p.m.
NED2 Entity disambiguation (via description) batch_69a5ff6bcbd8819089f7a303a6a491a8 completed March 2, 2026, 9:21 p.m.
Created at: March 1, 2026, 7:36 p.m.