Triple

T3935144
Position Surface form Disambiguated ID Type / Status
Subject Horace Trumbauer E90890 entity
Predicate notableWork P4 FINISHED
Object Lynnewood Hall, Elkins Park, Pennsylvania
Lynnewood Hall in Elkins Park, Pennsylvania is a grand Gilded Age mansion renowned as one of the largest surviving Neoclassical Revival residences in the United States.
 E402054 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: Lynnewood Hall, Elkins Park, Pennsylvania | Statement: [Horace Trumbauer, notableWork, Lynnewood Hall, Elkins Park, Pennsylvania]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lynnewood Hall, Elkins Park, Pennsylvania
Context triple: [Horace Trumbauer, notableWork, Lynnewood Hall, Elkins Park, Pennsylvania]
  • A. Whitemarsh Hall, Wyndmoor, Pennsylvania
    Whitemarsh Hall in Wyndmoor, Pennsylvania was a vast and opulent early 20th-century American mansion, often called the "American Versailles," designed for the Widener family.
  • B. Chelten House, Elkins Park, Pennsylvania
    Chelten House in Elkins Park, Pennsylvania is a grand early 20th-century mansion designed by prominent American architect Horace Trumbauer, exemplifying his opulent residential style.
  • C. Greystone Mansion
    Greystone Mansion is a historic, grand estate and public park in Beverly Hills, California, renowned for its Tudor Revival architecture and frequent use as a film and television location.
  • D. Nemours Estate
    Nemours Estate is a historic Gilded Age mansion and formal French-style garden complex built by industrialist Alfred I. du Pont, now serving as a museum and cultural attraction.
  • E. Lyndhurst Mansion
    Lyndhurst Mansion is a renowned 19th-century Gothic Revival country house and historic estate overlooking the Hudson River in Tarrytown, New York.
  • 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: Lynnewood Hall, Elkins Park, Pennsylvania
Triple: [Horace Trumbauer, notableWork, Lynnewood Hall, Elkins Park, Pennsylvania]
Generated description
Lynnewood Hall in Elkins Park, Pennsylvania is a grand Gilded Age mansion renowned as one of the largest surviving Neoclassical Revival residences in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lynnewood Hall, Elkins Park, Pennsylvania
Target entity description: Lynnewood Hall in Elkins Park, Pennsylvania is a grand Gilded Age mansion renowned as one of the largest surviving Neoclassical Revival residences in the United States.
  • A. Whitemarsh Hall, Wyndmoor, Pennsylvania
    Whitemarsh Hall in Wyndmoor, Pennsylvania was a vast and opulent early 20th-century American mansion, often called the "American Versailles," designed for the Widener family.
  • B. Chelten House, Elkins Park, Pennsylvania
    Chelten House in Elkins Park, Pennsylvania is a grand early 20th-century mansion designed by prominent American architect Horace Trumbauer, exemplifying his opulent residential style.
  • C. Greystone Mansion
    Greystone Mansion is a historic, grand estate and public park in Beverly Hills, California, renowned for its Tudor Revival architecture and frequent use as a film and television location.
  • D. Nemours Estate
    Nemours Estate is a historic Gilded Age mansion and formal French-style garden complex built by industrialist Alfred I. du Pont, now serving as a museum and cultural attraction.
  • E. Lyndhurst Mansion
    Lyndhurst Mansion is a renowned 19th-century Gothic Revival country house and historic estate overlooking the Hudson River in Tarrytown, New York.
  • 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_69aed95f26e0819094b0e71974543a19 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeedcbf0188190a5e828707a77752a completed March 9, 2026, 3:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5338d9a7c8190ac5960eab5ae2ada completed March 14, 2026, 10:08 a.m.
NEDg Description generation batch_69b534b3596c819088812b5835512c05 completed March 14, 2026, 10:13 a.m.
NED2 Entity disambiguation (via description) batch_69b5354ce29481909af8f0a216c3e643 completed March 14, 2026, 10:15 a.m.
Created at: March 9, 2026, 3:23 p.m.