Triple

T5649928
Position Surface form Disambiguated ID Type / Status
Subject Lewis Powell E124476 entity
Predicate capturedAt P11258 FINISHED
Object Mary Surratt’s boarding house, Washington, D.C., United States
Mary Surratt’s boarding house in Washington, D.C., was a key meeting place for the conspirators involved in the assassination of President Abraham Lincoln.
 E535314 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: Mary Surratt’s boarding house, Washington, D.C., United States | Statement: [Lewis Powell, capturedAt, Mary Surratt’s boarding house, Washington, D.C., United States]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mary Surratt’s boarding house, Washington, D.C., United States
Context triple: [Lewis Powell, capturedAt, Mary Surratt’s boarding house, Washington, D.C., United States]
  • A. Mary Surratt
    Mary Surratt was an American boardinghouse owner who became the first woman executed by the U.S. federal government for her role in the conspiracy to assassinate President Abraham Lincoln.
  • B. Ford's Theatre
    Ford's Theatre is a historic playhouse in Washington, D.C., best known as the site where President Abraham Lincoln was fatally shot in 1865.
  • C. John Harrison Surratt Sr.
    John Harrison Surratt Sr. was an American innkeeper and Confederate sympathizer whose family, including his wife Mary Surratt and son John Jr., became deeply entangled in the conspiracy to assassinate President Abraham Lincoln.
  • D. Anna Surratt
    Anna Surratt was the daughter of Lincoln assassination conspirator Mary Surratt, known for her efforts to plead for her mother's life before the execution.
  • E. Decatur House, Washington, D.C.
    Decatur House in Washington, D.C. is a historic early 19th-century mansion near the White House, renowned as one of the capital’s oldest surviving residences and a significant example of Federal-style architecture.
  • 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: Mary Surratt’s boarding house, Washington, D.C., United States
Triple: [Lewis Powell, capturedAt, Mary Surratt’s boarding house, Washington, D.C., United States]
Generated description
Mary Surratt’s boarding house in Washington, D.C., was a key meeting place for the conspirators involved in the assassination of President Abraham Lincoln.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mary Surratt’s boarding house, Washington, D.C., United States
Target entity description: Mary Surratt’s boarding house in Washington, D.C., was a key meeting place for the conspirators involved in the assassination of President Abraham Lincoln.
  • A. Mary Surratt
    Mary Surratt was an American boardinghouse owner who became the first woman executed by the U.S. federal government for her role in the conspiracy to assassinate President Abraham Lincoln.
  • B. Ford's Theatre
    Ford's Theatre is a historic playhouse in Washington, D.C., best known as the site where President Abraham Lincoln was fatally shot in 1865.
  • C. John Harrison Surratt Sr.
    John Harrison Surratt Sr. was an American innkeeper and Confederate sympathizer whose family, including his wife Mary Surratt and son John Jr., became deeply entangled in the conspiracy to assassinate President Abraham Lincoln.
  • D. Anna Surratt
    Anna Surratt was the daughter of Lincoln assassination conspirator Mary Surratt, known for her efforts to plead for her mother's life before the execution.
  • E. Decatur House, Washington, D.C.
    Decatur House in Washington, D.C. is a historic early 19th-century mansion near the White House, renowned as one of the capital’s oldest surviving residences and a significant example of Federal-style architecture.
  • 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_69c00825df388190a58742fa9b1aa33d completed March 22, 2026, 3:17 p.m.
NER Named-entity recognition batch_69c022d4ca788190b20168b20cb1d030 completed March 22, 2026, 5:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04d90c04881908740fb1089c5248a completed March 22, 2026, 8:14 p.m.
NEDg Description generation batch_69c04edcc0208190bd69b5cce89596f9 completed March 22, 2026, 8:19 p.m.
NED2 Entity disambiguation (via description) batch_69c04ff814b88190ad01844ae2629c6e completed March 22, 2026, 8:24 p.m.
Created at: March 22, 2026, 3:42 p.m.