Triple

T4787813
Position Surface form Disambiguated ID Type / Status
Subject 405 Lexington Avenue E106525 entity
Predicate ownedBy P347 FINISHED
Object RFR Holding LLC (majority stake, various periods)
RFR Holding LLC is a New York–based real estate investment and development firm known for owning and managing prominent commercial properties, including landmark skyscrapers in Manhattan.
 E470186 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: RFR Holding LLC (majority stake, various periods) | Statement: [405 Lexington Avenue, ownedBy, RFR Holding LLC (majority stake, various periods)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: RFR Holding LLC (majority stake, various periods)
Context triple: [405 Lexington Avenue, ownedBy, RFR Holding LLC (majority stake, various periods)]
  • A. Nash Holdings LLC
    Nash Holdings LLC is the private investment company owned by Jeff Bezos that acquired and oversees The Washington Post.
  • B. Transform Holdco LLC
    Transform Holdco LLC is the company formed to acquire and operate the remaining assets of Sears and Kmart following Sears Holdings Corporation’s bankruptcy.
  • C. Pershing Square Holdings (historical significant shareholder)
    Pershing Square Holdings is a publicly traded investment vehicle managed by Bill Ackman’s Pershing Square Capital Management, known for taking large, concentrated positions in major companies.
  • D. The Getty family (minority stake)
    The Getty family is a wealthy American dynasty descended from oil tycoon J. Paul Getty, known for its extensive art patronage, philanthropy, and historical involvement in media and cultural institutions.
  • E. The JBG Companies (historical stake)
    The JBG Companies (historical stake) refers to the prominent Washington, D.C.–area real estate investment and development firm in which the Lerner family once held a significant ownership interest.
  • 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: RFR Holding LLC (majority stake, various periods)
Triple: [405 Lexington Avenue, ownedBy, RFR Holding LLC (majority stake, various periods)]
Generated description
RFR Holding LLC is a New York–based real estate investment and development firm known for owning and managing prominent commercial properties, including landmark skyscrapers in Manhattan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: RFR Holding LLC (majority stake, various periods)
Target entity description: RFR Holding LLC is a New York–based real estate investment and development firm known for owning and managing prominent commercial properties, including landmark skyscrapers in Manhattan.
  • A. Nash Holdings LLC
    Nash Holdings LLC is the private investment company owned by Jeff Bezos that acquired and oversees The Washington Post.
  • B. Transform Holdco LLC
    Transform Holdco LLC is the company formed to acquire and operate the remaining assets of Sears and Kmart following Sears Holdings Corporation’s bankruptcy.
  • C. Pershing Square Holdings (historical significant shareholder)
    Pershing Square Holdings is a publicly traded investment vehicle managed by Bill Ackman’s Pershing Square Capital Management, known for taking large, concentrated positions in major companies.
  • D. The Getty family (minority stake)
    The Getty family is a wealthy American dynasty descended from oil tycoon J. Paul Getty, known for its extensive art patronage, philanthropy, and historical involvement in media and cultural institutions.
  • E. The JBG Companies (historical stake)
    The JBG Companies (historical stake) refers to the prominent Washington, D.C.–area real estate investment and development firm in which the Lerner family once held a significant ownership interest.
  • 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_69bd43f4a9588190bf73e20bc27c03cc completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd65da229c81909c703393f7b9b71d completed March 20, 2026, 3:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69be43e01f6c81909ca0121c36d107e9 completed March 21, 2026, 7:08 a.m.
NEDg Description generation batch_69be45cc228c8190942280ef3852caf7 completed March 21, 2026, 7:16 a.m.
NED2 Entity disambiguation (via description) batch_69be467ffd50819090c92df520c91642 completed March 21, 2026, 7:19 a.m.
Created at: March 20, 2026, 1:22 p.m.