Triple

T23215670

Position	Surface form	Disambiguated ID	Type / Status
Subject	Cambridge, Maryland	`E580730`	entity
Predicate	hasLandmark	`P105`	FINISHED
Object	Harriet Tubman Museum and Educational Center The Harriet Tubman Museum and Educational Center is a museum dedicated to preserving and interpreting the life, legacy, and Underground Railroad work of abolitionist Harriet Tubman.	`E1575154`	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: Harriet Tubman Museum and Educational Center | Statement: [Cambridge, Maryland, hasLandmark, Harriet Tubman Museum and Educational Center]

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

Target entity: Harriet Tubman Museum and Educational Center
Context triple: [Cambridge, Maryland, hasLandmark, Harriet Tubman Museum and Educational Center]

A. Tubman Museum
The Tubman Museum is a cultural institution in Macon, Georgia dedicated to preserving and showcasing African American art, history, and culture.
B. Harriet Tubman National Historical Park
Harriet Tubman National Historical Park is a U.S. National Park Service site preserving the home and legacy of abolitionist and Underground Railroad conductor Harriet Tubman.
C. Harriet Tubman Underground Railroad State Park
Harriet Tubman Underground Railroad State Park is a Maryland state park and heritage site dedicated to the life, legacy, and freedom-seeking journeys of abolitionist Harriet Tubman and the Underground Railroad.
D. Frederick Douglass National Historic Site
Frederick Douglass National Historic Site is a preserved historic home and museum in Washington, D.C., dedicated to the life, legacy, and residence of abolitionist and orator Frederick Douglass.
E. Uncle Tom’s Cabin Historic Site
Uncle Tom’s Cabin Historic Site is a museum and heritage complex in Ontario, Canada, commemorating the life of Reverend Josiah Henson and the history of the Underground Railroad and Black settlement in the region.
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: Harriet Tubman Museum and Educational Center
Triple: [Cambridge, Maryland, hasLandmark, Harriet Tubman Museum and Educational Center]

Generated description

The Harriet Tubman Museum and Educational Center is a museum dedicated to preserving and interpreting the life, legacy, and Underground Railroad work of abolitionist Harriet Tubman.

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

Target entity: Harriet Tubman Museum and Educational Center
Target entity description: The Harriet Tubman Museum and Educational Center is a museum dedicated to preserving and interpreting the life, legacy, and Underground Railroad work of abolitionist Harriet Tubman.

A. Tubman Museum
The Tubman Museum is a cultural institution in Macon, Georgia dedicated to preserving and showcasing African American art, history, and culture.
B. Harriet Tubman National Historical Park
Harriet Tubman National Historical Park is a U.S. National Park Service site preserving the home and legacy of abolitionist and Underground Railroad conductor Harriet Tubman.
C. Harriet Tubman Underground Railroad State Park
Harriet Tubman Underground Railroad State Park is a Maryland state park and heritage site dedicated to the life, legacy, and freedom-seeking journeys of abolitionist Harriet Tubman and the Underground Railroad.
D. Frederick Douglass National Historic Site
Frederick Douglass National Historic Site is a preserved historic home and museum in Washington, D.C., dedicated to the life, legacy, and residence of abolitionist and orator Frederick Douglass.
E. Uncle Tom’s Cabin Historic Site
Uncle Tom’s Cabin Historic Site is a museum and heritage complex in Ontario, Canada, commemorating the life of Reverend Josiah Henson and the history of the Underground Railroad and Black settlement in the region.
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_69e2460389408190be74f41d217799a9`	completed	April 17, 2026, 2:38 p.m.
NER	Named-entity recognition	`batch_69f191646c548190a3f7150f0c253dc1`	completed	April 29, 2026, 5:04 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0c30c8a2548190a6f40a9e5c19123d`	completed	May 19, 2026, 9:43 a.m.
NEDg	Description generation	`batch_6a0c36b18b6081909e911a637a0cb38e`	completed	May 19, 2026, 10:08 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0c3782bd708190bc2b0f117b9ebe42`	completed	May 19, 2026, 10:12 a.m.

Created at: April 17, 2026, 4:08 p.m.