Triple

T11423737

Position	Surface form	Disambiguated ID	Type / Status
Subject	Mount Vernon Square	`E270691`	entity
Predicate	hasLandmark	`P105`	FINISHED
Object	Historical Society of Washington, D.C. The Historical Society of Washington, D.C. is a nonprofit organization dedicated to collecting, preserving, and sharing the history and culture of Washington, D.C. through archives, exhibitions, and educational programs.	`E924671`	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: Historical Society of Washington, D.C. | Statement: [Mount Vernon Square, hasLandmark, Historical Society of Washington, D.C.]

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

Target entity: Historical Society of Washington, D.C.
Context triple: [Mount Vernon Square, hasLandmark, Historical Society of Washington, D.C.]

A. District of Columbia Historic Preservation Office
The District of Columbia Historic Preservation Office is the city agency responsible for identifying, protecting, and overseeing Washington, D.C.’s historic properties and cultural resources.
B. White House Historical Association
The White House Historical Association is a nonprofit organization dedicated to preserving, studying, and sharing the history, art, and heritage of the White House.
C. Maryland Historical Society
The Maryland Historical Society is a cultural institution and museum in Baltimore dedicated to preserving and interpreting the history, art, and culture of Maryland and the broader Mid-Atlantic region.
D. Cleveland Park Historical Society
The Cleveland Park Historical Society is a community-based organization dedicated to preserving and promoting the architectural, cultural, and historical heritage of the Cleveland Park neighborhood in Washington, D.C.
E. Anacostia Community Museum
The Anacostia Community Museum is a Smithsonian museum in Washington, D.C. focused on exploring and documenting the history, culture, and social issues of urban communities, particularly African American experiences.
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: Historical Society of Washington, D.C.
Triple: [Mount Vernon Square, hasLandmark, Historical Society of Washington, D.C.]

Generated description

The Historical Society of Washington, D.C. is a nonprofit organization dedicated to collecting, preserving, and sharing the history and culture of Washington, D.C. through archives, exhibitions, and educational programs.

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

Target entity: Historical Society of Washington, D.C.
Target entity description: The Historical Society of Washington, D.C. is a nonprofit organization dedicated to collecting, preserving, and sharing the history and culture of Washington, D.C. through archives, exhibitions, and educational programs.

A. District of Columbia Historic Preservation Office
The District of Columbia Historic Preservation Office is the city agency responsible for identifying, protecting, and overseeing Washington, D.C.’s historic properties and cultural resources.
B. White House Historical Association
The White House Historical Association is a nonprofit organization dedicated to preserving, studying, and sharing the history, art, and heritage of the White House.
C. Maryland Historical Society
The Maryland Historical Society is a cultural institution and museum in Baltimore dedicated to preserving and interpreting the history, art, and culture of Maryland and the broader Mid-Atlantic region.
D. Cleveland Park Historical Society
The Cleveland Park Historical Society is a community-based organization dedicated to preserving and promoting the architectural, cultural, and historical heritage of the Cleveland Park neighborhood in Washington, D.C.
E. Anacostia Community Museum
The Anacostia Community Museum is a Smithsonian museum in Washington, D.C. focused on exploring and documenting the history, culture, and social issues of urban communities, particularly African American experiences.
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_69d6aadeef688190874bcecd88b3dd9b`	completed	April 8, 2026, 7:22 p.m.
NER	Named-entity recognition	`batch_69d801b357e88190ace56d36a945688f`	completed	April 9, 2026, 7:44 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69e5b8b553808190bf8b40d9b03e12b7`	completed	April 20, 2026, 5:25 a.m.
NEDg	Description generation	`batch_69e5c28e2dd481909b45a43b5825f393`	completed	April 20, 2026, 6:07 a.m.
NED2	Entity disambiguation (via description)	`batch_69e5c4722c348190a4c49edb1f6df240`	completed	April 20, 2026, 6:15 a.m.

Created at: April 8, 2026, 9:35 p.m.