Triple

T1470143
Position Surface form Disambiguated ID Type / Status
Subject Henry Laurens E27115 entity
Predicate placeOfDeath P21 FINISHED
Object Mepkin Plantation, South Carolina
Mepkin Plantation, South Carolina is a historic former rice plantation on the Cooper River best known as the estate and place of death of American Revolutionary leader Henry Laurens, and now the site of Mepkin Abbey.
 E166918 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: Mepkin Plantation, South Carolina | Statement: [Henry Laurens, placeOfDeath, Mepkin Plantation, South Carolina]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mepkin Plantation, South Carolina
Context triple: [Henry Laurens, placeOfDeath, Mepkin Plantation, South Carolina]
  • A. Belle Grove Plantation, Virginia
    Belle Grove Plantation in Virginia is a historic 18th-century estate best known as the birthplace of James Madison, the fourth president of the United States.
  • B. Priestley Plantation
    Priestley Plantation was a Southern plantation estate that served as the birthplace of influential American architect Henry Hobson Richardson.
  • C. Middleton Place plantation
    Middleton Place plantation is a historic rice plantation and National Historic Landmark near Charleston, South Carolina, renowned for its 18th-century terraced gardens and role in early American history.
  • D. Cornell Plantations
    Cornell Plantations, now known as Cornell Botanic Gardens, is Cornell University’s extensive network of botanical gardens, arboretum, and natural areas dedicated to plant conservation, education, and research.
  • E. Mulberry Grove Plantation, near Savannah, Georgia
    Mulberry Grove Plantation, near Savannah, Georgia, was a historic rice plantation notable as the residence and death place of Revolutionary War General Nathanael Greene and later as the site where Eli Whitney developed the cotton gin.
  • 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: Mepkin Plantation, South Carolina
Triple: [Henry Laurens, placeOfDeath, Mepkin Plantation, South Carolina]
Generated description
Mepkin Plantation, South Carolina is a historic former rice plantation on the Cooper River best known as the estate and place of death of American Revolutionary leader Henry Laurens, and now the site of Mepkin Abbey.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mepkin Plantation, South Carolina
Target entity description: Mepkin Plantation, South Carolina is a historic former rice plantation on the Cooper River best known as the estate and place of death of American Revolutionary leader Henry Laurens, and now the site of Mepkin Abbey.
  • A. Belle Grove Plantation, Virginia
    Belle Grove Plantation in Virginia is a historic 18th-century estate best known as the birthplace of James Madison, the fourth president of the United States.
  • B. Priestley Plantation
    Priestley Plantation was a Southern plantation estate that served as the birthplace of influential American architect Henry Hobson Richardson.
  • C. Middleton Place plantation
    Middleton Place plantation is a historic rice plantation and National Historic Landmark near Charleston, South Carolina, renowned for its 18th-century terraced gardens and role in early American history.
  • D. Cornell Plantations
    Cornell Plantations, now known as Cornell Botanic Gardens, is Cornell University’s extensive network of botanical gardens, arboretum, and natural areas dedicated to plant conservation, education, and research.
  • E. Mulberry Grove Plantation, near Savannah, Georgia
    Mulberry Grove Plantation, near Savannah, Georgia, was a historic rice plantation notable as the residence and death place of Revolutionary War General Nathanael Greene and later as the site where Eli Whitney developed the cotton gin.
  • 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_69a496d25d6881909dbd84f86d763992 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c5d9dd4c8190ba840a9255cd1293 completed March 1, 2026, 11:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad0e805fa481908d6428a4e2fb4c4a completed March 8, 2026, 5:52 a.m.
NEDg Description generation batch_69ad0f0b145c8190b08af9a6a3325c23 completed March 8, 2026, 5:54 a.m.
NED2 Entity disambiguation (via description) batch_69ad0f9380648190b4db1b9c92f37831 completed March 8, 2026, 5:56 a.m.
Created at: March 1, 2026, 8:01 p.m.