Triple

T5372477

Position	Surface form	Disambiguated ID	Type / Status
Subject	Lafayette Square	`E108882`	entity
Predicate	surroundedBy	`P224`	FINISHED
Object	St. John’s Episcopal Church, Lafayette Square St. John’s Episcopal Church, Lafayette Square is a historic Episcopal parish in Washington, D.C., often called the “Church of the Presidents” for its long association with U.S. presidents and its prominent location across from the White House.	`E515810`	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: St. John’s Episcopal Church, Lafayette Square | Statement: [Lafayette Square, surroundedBy, St. John’s Episcopal Church, Lafayette Square]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: St. John’s Episcopal Church, Lafayette Square
Context triple: [Lafayette Square, surroundedBy, St. John’s Episcopal Church, Lafayette Square]

A. St. Ann’s Episcopal Church
St. Ann’s Episcopal Church is a historic seaside Episcopal church in Kennebunkport, Maine, known for its rustic stone architecture and scenic oceanfront setting.
B. St. George’s Episcopal Church
St. George’s Episcopal Church is a historic Episcopal parish church in Manhattan, New York City, noted for its 19th-century architecture and prominent role in the Gramercy neighborhood.
C. Church of the Presidents
The Church of the Presidents is a historic Unitarian Universalist church in Quincy, Massachusetts, best known as the burial site of U.S. Presidents John Adams and John Quincy Adams and their wives.
D. The Episcopal Church Center
The Episcopal Church Center is the New York City headquarters and administrative hub of the Episcopal Church, housing the offices of its Presiding Bishop and national staff.
E. St. Mary’s Episcopal Church
St. Mary’s Episcopal Church is a historic Episcopal parish church and notable landmark in the coastal community of Barnstable Village, Massachusetts.
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: St. John’s Episcopal Church, Lafayette Square
Triple: [Lafayette Square, surroundedBy, St. John’s Episcopal Church, Lafayette Square]

Generated description

St. John’s Episcopal Church, Lafayette Square is a historic Episcopal parish in Washington, D.C., often called the “Church of the Presidents” for its long association with U.S. presidents and its prominent location across from the White House.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: St. John’s Episcopal Church, Lafayette Square
Target entity description: St. John’s Episcopal Church, Lafayette Square is a historic Episcopal parish in Washington, D.C., often called the “Church of the Presidents” for its long association with U.S. presidents and its prominent location across from the White House.

A. St. Ann’s Episcopal Church
St. Ann’s Episcopal Church is a historic seaside Episcopal church in Kennebunkport, Maine, known for its rustic stone architecture and scenic oceanfront setting.
B. St. George’s Episcopal Church
St. George’s Episcopal Church is a historic Episcopal parish church in Manhattan, New York City, noted for its 19th-century architecture and prominent role in the Gramercy neighborhood.
C. Church of the Presidents
The Church of the Presidents is a historic Unitarian Universalist church in Quincy, Massachusetts, best known as the burial site of U.S. Presidents John Adams and John Quincy Adams and their wives.
D. The Episcopal Church Center
The Episcopal Church Center is the New York City headquarters and administrative hub of the Episcopal Church, housing the offices of its Presiding Bishop and national staff.
E. St. Mary’s Episcopal Church
St. Mary’s Episcopal Church is a historic Episcopal parish church and notable landmark in the coastal community of Barnstable Village, Massachusetts.
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_69bd440c77948190aad2a5f39b7b80f5`	completed	March 20, 2026, 12:56 p.m.
NER	Named-entity recognition	`batch_69bd86abc1e88190ad08279c3bf238e5`	completed	March 20, 2026, 5:40 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69bf293850c48190bd0cdab64368157f`	completed	March 21, 2026, 11:26 p.m.
NEDg	Description generation	`batch_69bf29d11d2c819095ce493c8866f624`	completed	March 21, 2026, 11:29 p.m.
NED2	Entity disambiguation (via description)	`batch_69bf2aa2a1688190bc41eb5e259d7d1f`	completed	March 21, 2026, 11:32 p.m.

Created at: March 20, 2026, 2:02 p.m.