Triple

T3060045

Position	Surface form	Disambiguated ID	Type / Status
Subject	National Millennium Trail	`E60575`	entity
Predicate	hasPart	`P35`	FINISHED
Object	Underground Railroad routes Underground Railroad routes were clandestine paths and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the help of abolitionists.	`E321996`	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: Underground Railroad routes | Statement: [National Millennium Trail, hasPart, Underground Railroad routes]

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

Target entity: Underground Railroad routes
Context triple: [National Millennium Trail, hasPart, Underground Railroad routes]

A. U.S. Civil Rights Trail
The U.S. Civil Rights Trail is a collection of historically significant sites across the United States that commemorate key events, locations, and figures of the Civil Rights Movement.
B. Selma to Montgomery National Historic Trail
The Selma to Montgomery National Historic Trail is a commemorative route in Alabama that traces the path of the 1965 civil rights marches led by Martin Luther King Jr. in the struggle for voting rights.
C. Pony Express National Historic Trail
The Pony Express National Historic Trail is a protected route that commemorates the legendary 19th-century mail service between Missouri and California, preserving and interpreting its historic path and landmarks.
D. Trail of Tears National Historic Trail
Trail of Tears National Historic Trail is a protected historic route in the United States that preserves and interprets the paths taken during the forced relocation of Native American tribes in the 1830s.
E. Katy Trail
Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
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: Underground Railroad routes
Triple: [National Millennium Trail, hasPart, Underground Railroad routes]

Generated description

Underground Railroad routes were clandestine paths and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the help of abolitionists.

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

Target entity: Underground Railroad routes
Target entity description: Underground Railroad routes were clandestine paths and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the help of abolitionists.

A. U.S. Civil Rights Trail
The U.S. Civil Rights Trail is a collection of historically significant sites across the United States that commemorate key events, locations, and figures of the Civil Rights Movement.
B. Selma to Montgomery National Historic Trail
The Selma to Montgomery National Historic Trail is a commemorative route in Alabama that traces the path of the 1965 civil rights marches led by Martin Luther King Jr. in the struggle for voting rights.
C. Pony Express National Historic Trail
The Pony Express National Historic Trail is a protected route that commemorates the legendary 19th-century mail service between Missouri and California, preserving and interpreting its historic path and landmarks.
D. Trail of Tears National Historic Trail
Trail of Tears National Historic Trail is a protected historic route in the United States that preserves and interprets the paths taken during the forced relocation of Native American tribes in the 1830s.
E. Katy Trail
Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
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_69ad8578137c81908259dcb27c7d6d7c`	completed	March 8, 2026, 2:19 p.m.
NER	Named-entity recognition	`batch_69ad9e9cf9188190b43f50edc009030d`	completed	March 8, 2026, 4:06 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b1ef0b989c819094daaf222bf01d02`	completed	March 11, 2026, 10:39 p.m.
NEDg	Description generation	`batch_69b1efdd73188190b7a47fc2a1d627d1`	completed	March 11, 2026, 10:42 p.m.
NED2	Entity disambiguation (via description)	`batch_69b1f062abf48190ab891463c5b33622`	completed	March 11, 2026, 10:44 p.m.

Created at: March 8, 2026, 3:02 p.m.