Triple

T1163203
Position Surface form Disambiguated ID Type / Status
Subject Lakeside School E24538 entity
Predicate hasAlumnus P51 FINISHED
Object Spencer Rascoff
Spencer Rascoff is an American entrepreneur and executive best known as the co-founder and former CEO of real estate marketplace Zillow.
E148132 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: Spencer Rascoff | Statement: [Lakeside School, hasAlumnus, Spencer Rascoff]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Spencer Rascoff
Context triple: [Lakeside School, hasAlumnus, Spencer Rascoff]
  • A. Bernard Marcus
    Bernard Marcus is an American billionaire businessman and philanthropist best known as a co-founder and former CEO of the home improvement retail giant The Home Depot.
  • B. David M. Rubenstein
    David M. Rubenstein is an American billionaire investor, philanthropist, and co-founder of the global private equity firm The Carlyle Group.
  • C. Laurence Tisch
    Laurence Tisch was an American businessman and investor best known as the co-owner of Loews Corporation and former CEO of CBS.
  • D. Charles F. Dolan
    Charles F. Dolan is an American cable television pioneer and media executive best known as the founder of HBO and Cablevision.
  • E. Preston Robert Tisch
    Preston Robert Tisch was an American businessman and philanthropist best known as co-owner of the New York Giants and former Postmaster General of 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: Spencer Rascoff
Triple: [Lakeside School, hasAlumnus, Spencer Rascoff]
Generated description
Spencer Rascoff is an American entrepreneur and executive best known as the co-founder and former CEO of real estate marketplace Zillow.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Spencer Rascoff
Target entity description: Spencer Rascoff is an American entrepreneur and executive best known as the co-founder and former CEO of real estate marketplace Zillow.
  • A. Bernard Marcus
    Bernard Marcus is an American billionaire businessman and philanthropist best known as a co-founder and former CEO of the home improvement retail giant The Home Depot.
  • B. David M. Rubenstein
    David M. Rubenstein is an American billionaire investor, philanthropist, and co-founder of the global private equity firm The Carlyle Group.
  • C. Laurence Tisch
    Laurence Tisch was an American businessman and investor best known as the co-owner of Loews Corporation and former CEO of CBS.
  • D. Charles F. Dolan
    Charles F. Dolan is an American cable television pioneer and media executive best known as the founder of HBO and Cablevision.
  • E. Preston Robert Tisch
    Preston Robert Tisch was an American businessman and philanthropist best known as co-owner of the New York Giants and former Postmaster General of 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_69a494060e148190abb42f971242c197 completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bcc9dc5081908e225a485186ab12 completed March 1, 2026, 10:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69acacacf7c4819089708cf61b89903c completed March 7, 2026, 10:54 p.m.
NEDg Description generation batch_69acad4a7cd48190b295dbd1e5327a18 completed March 7, 2026, 10:57 p.m.
NED2 Entity disambiguation (via description) batch_69acadba2e54819088a04675493fcbbb completed March 7, 2026, 10:59 p.m.
Created at: March 1, 2026, 7:45 p.m.