Triple

T13720739
Position Surface form Disambiguated ID Type / Status
Subject Margaret Sullavan E329026 entity
Predicate educatedAt P5 FINISHED
Object Chatham Episcopal Institute
Chatham Episcopal Institute was a Virginia girls’ boarding school known for its rigorous college-preparatory education and notable alumnae such as actress Margaret Sullavan.
 E1056989 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: Chatham Episcopal Institute | Statement: [Margaret Sullavan, educatedAt, Chatham Episcopal Institute]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chatham Episcopal Institute
Context triple: [Margaret Sullavan, educatedAt, Chatham Episcopal Institute]
  • A. Goddard Seminary
    Goddard Seminary was the original educational institution that evolved into what is now Goddard College in Vermont.
  • B. Newton Theological Institution
    Newton Theological Institution was a historic Baptist seminary in Massachusetts that later became part of Andover Newton Theological School.
  • C. Eliot Seminary
    Eliot Seminary was the original name of the institution that later became Washington University in St. Louis, a major private research university in Missouri.
  • D. Episcopal Theological School
    Episcopal Theological School was an Episcopal seminary in Cambridge, Massachusetts, known for training clergy and lay leaders in theology and ministry.
  • E. Pennington Seminary
    Pennington Seminary was a 19th-century Methodist-affiliated preparatory school in Pennington, New Jersey, known for educating future political and civic leaders such as J. Franklin Fort.
  • 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: Chatham Episcopal Institute
Triple: [Margaret Sullavan, educatedAt, Chatham Episcopal Institute]
Generated description
Chatham Episcopal Institute was a Virginia girls’ boarding school known for its rigorous college-preparatory education and notable alumnae such as actress Margaret Sullavan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chatham Episcopal Institute
Target entity description: Chatham Episcopal Institute was a Virginia girls’ boarding school known for its rigorous college-preparatory education and notable alumnae such as actress Margaret Sullavan.
  • A. Goddard Seminary
    Goddard Seminary was the original educational institution that evolved into what is now Goddard College in Vermont.
  • B. Newton Theological Institution
    Newton Theological Institution was a historic Baptist seminary in Massachusetts that later became part of Andover Newton Theological School.
  • C. Eliot Seminary
    Eliot Seminary was the original name of the institution that later became Washington University in St. Louis, a major private research university in Missouri.
  • D. Episcopal Theological School
    Episcopal Theological School was an Episcopal seminary in Cambridge, Massachusetts, known for training clergy and lay leaders in theology and ministry.
  • E. Pennington Seminary
    Pennington Seminary was a 19th-century Methodist-affiliated preparatory school in Pennington, New Jersey, known for educating future political and civic leaders such as J. Franklin Fort.
  • 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_69d80770b9bc81909f70c8c317d53cff completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69de01f3b46481909ceedfa78e9ca92b completed April 14, 2026, 8:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69f79d5c4f848190993f829824eabbef completed May 3, 2026, 7:09 p.m.
NEDg Description generation batch_69f79e77b5e88190a85f4061c8abb8a4 completed May 3, 2026, 7:13 p.m.
NED2 Entity disambiguation (via description) batch_69f79fa5249481909b2c046ed9801371 completed May 3, 2026, 7:19 p.m.
Created at: April 9, 2026, 9:55 p.m.