Triple

T3396225

Position	Surface form	Disambiguated ID	Type / Status
Subject	U Street/African-Amer Civil War Memorial/Cardozo station	`E71534`	entity
Predicate	nearbyLandmark	`P350`	FINISHED
Object	U Street historic district U Street Historic District is a culturally significant neighborhood in Washington, D.C., long known as a center of African American arts, music, and nightlife, especially during the early to mid-20th century.	`E354998`	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: U Street historic district | Statement: [U Street/African-Amer Civil War Memorial/Cardozo station, nearbyLandmark, U Street historic district]

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

Target entity: U Street historic district
Context triple: [U Street/African-Amer Civil War Memorial/Cardozo station, nearbyLandmark, U Street historic district]

A. Mount Vernon Square
Mount Vernon Square is a historic public square and neighborhood in Washington, D.C., known as a downtown hub for civic, cultural, and commercial activity.
B. Museum Hill Historic District
The Museum Hill Historic District is a notable historic neighborhood in St. Joseph, Missouri, recognized for its well-preserved 19th- and early 20th-century architecture and cultural significance.
C. West End Historic District
The West End Historic District is a preserved warehouse and commercial area in Dallas known for its redbrick architecture, museums, restaurants, and role as a major tourist and entertainment destination.
D. Hyde Park Historic District
Hyde Park Historic District is a nationally recognized historic area in Hyde Park, New York, noted for its well-preserved 19th- and early 20th-century architecture and its associations with prominent local estates and residents.
E. Farragut West
Farragut West is a busy Washington Metro station in downtown Washington, D.C., serving multiple lines near major offices, parks, and landmarks.
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: U Street historic district
Triple: [U Street/African-Amer Civil War Memorial/Cardozo station, nearbyLandmark, U Street historic district]

Generated description

U Street Historic District is a culturally significant neighborhood in Washington, D.C., long known as a center of African American arts, music, and nightlife, especially during the early to mid-20th century.

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

Target entity: U Street historic district
Target entity description: U Street Historic District is a culturally significant neighborhood in Washington, D.C., long known as a center of African American arts, music, and nightlife, especially during the early to mid-20th century.

A. Mount Vernon Square
Mount Vernon Square is a historic public square and neighborhood in Washington, D.C., known as a downtown hub for civic, cultural, and commercial activity.
B. Museum Hill Historic District
The Museum Hill Historic District is a notable historic neighborhood in St. Joseph, Missouri, recognized for its well-preserved 19th- and early 20th-century architecture and cultural significance.
C. West End Historic District
The West End Historic District is a preserved warehouse and commercial area in Dallas known for its redbrick architecture, museums, restaurants, and role as a major tourist and entertainment destination.
D. Hyde Park Historic District
Hyde Park Historic District is a nationally recognized historic area in Hyde Park, New York, noted for its well-preserved 19th- and early 20th-century architecture and its associations with prominent local estates and residents.
E. Farragut West
Farragut West is a busy Washington Metro station in downtown Washington, D.C., serving multiple lines near major offices, parks, and landmarks.
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_69ad85a9c4a88190a854019341cb3b60`	completed	March 8, 2026, 2:20 p.m.
NER	Named-entity recognition	`batch_69adb856158c81908dd7d3f1f8d6af74`	completed	March 8, 2026, 5:56 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b34bca95108190b39aad4ac06dbf58`	completed	March 12, 2026, 11:27 p.m.
NEDg	Description generation	`batch_69b34e46b2b48190aedee8dabf5285bd`	completed	March 12, 2026, 11:37 p.m.
NED2	Entity disambiguation (via description)	`batch_69b34fc0b830819082b50ebd14b6490b`	completed	March 12, 2026, 11:44 p.m.

Created at: March 8, 2026, 3:14 p.m.