Triple

T406712

Position	Surface form	Disambiguated ID	Type / Status
Subject	Vienna, Virginia	`E9397`	entity
Predicate	hasTrail	`P3625`	FINISHED
Object	Washington & Old Dominion Railroad Trail The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.	`E51241`	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: Washington & Old Dominion Railroad Trail | Statement: [Vienna, Virginia, hasTrail, Washington & Old Dominion Railroad Trail]

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

Target entity: Washington & Old Dominion Railroad Trail
Context triple: [Vienna, Virginia, hasTrail, Washington & Old Dominion Railroad Trail]

A. Schuylkill River Trail
The Schuylkill River Trail is a popular multi-use recreational path in southeastern Pennsylvania that follows the Schuylkill River, offering scenic routes for walking, running, and cycling through urban and natural landscapes.
B. Blue Ridge Parkway
Blue Ridge Parkway is a renowned scenic highway in the Appalachian Mountains, celebrated for its sweeping vistas, outdoor recreation, and connection between Shenandoah and Great Smoky Mountains National Parks.
C. North County Trailway
North County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for walking, running, and cycling along a former railroad corridor.
D. Battle Road Trail
Battle Road Trail is a historic walking and biking path that follows the route of the opening battles of the American Revolutionary War between Lexington and Concord in Massachusetts.
E. Delaware and Raritan Canal State Park Trail
The Delaware and Raritan Canal State Park Trail is a popular multi-use recreational path in New Jersey that follows the historic Delaware and Raritan Canal, offering scenic routes for walking, running, and cycling.
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: Washington & Old Dominion Railroad Trail
Triple: [Vienna, Virginia, hasTrail, Washington & Old Dominion Railroad Trail]

Generated description

The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.

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

Target entity: Washington & Old Dominion Railroad Trail
Target entity description: The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.

A. Schuylkill River Trail
The Schuylkill River Trail is a popular multi-use recreational path in southeastern Pennsylvania that follows the Schuylkill River, offering scenic routes for walking, running, and cycling through urban and natural landscapes.
B. Blue Ridge Parkway
Blue Ridge Parkway is a renowned scenic highway in the Appalachian Mountains, celebrated for its sweeping vistas, outdoor recreation, and connection between Shenandoah and Great Smoky Mountains National Parks.
C. North County Trailway
North County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for walking, running, and cycling along a former railroad corridor.
D. Battle Road Trail
Battle Road Trail is a historic walking and biking path that follows the route of the opening battles of the American Revolutionary War between Lexington and Concord in Massachusetts.
E. Delaware and Raritan Canal State Park Trail
The Delaware and Raritan Canal State Park Trail is a popular multi-use recreational path in New Jersey that follows the historic Delaware and Raritan Canal, offering scenic routes for walking, running, and cycling.
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_69a2e8004cb88190b92ed1add6abf41a`	completed	Feb. 28, 2026, 1:05 p.m.
NER	Named-entity recognition	`batch_69a2ecbd766c8190bb8a91605929156a`	completed	Feb. 28, 2026, 1:25 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69a413f75e5481908b7a0f070dec5c56`	completed	March 1, 2026, 10:24 a.m.
NEDg	Description generation	`batch_69a41464d2a8819085ee2fc8a86a7628`	completed	March 1, 2026, 10:26 a.m.
NED2	Entity disambiguation (via description)	`batch_69a414a7aff08190ab54f4118cec790d`	completed	March 1, 2026, 10:27 a.m.

Created at: Feb. 28, 2026, 1:08 p.m.