Triple
T2279203
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington & Old Dominion Railroad Trail |
E51241
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Northern Virginia Regional Park Authority |
E86298
|
NE FINISHED |
How this triple was built (2 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: Northern Virginia Regional Park Authority | Statement: [Washington & Old Dominion Railroad Trail, operator, Northern Virginia Regional Park Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern Virginia Regional Park Authority Context triple: [Washington & Old Dominion Railroad Trail, operator, Northern Virginia Regional Park Authority]
-
A.
Northern Virginia Regional Park Authority
chosen
The Northern Virginia Regional Park Authority is a multi-jurisdictional agency that owns and manages a network of regional parks, natural areas, and historic sites across Northern Virginia.
-
B.
Fairfax County Park Authority
Fairfax County Park Authority is the governmental agency responsible for managing and operating the public parks and recreational facilities in Fairfax County, Virginia.
-
C.
Northern Virginia Transportation Commission
The Northern Virginia Transportation Commission is a regional governmental body that plans, funds, and oversees public transportation services in Northern Virginia.
-
D.
Arlington County
Arlington County is an urban county in Northern Virginia, directly across the Potomac River from Washington, D.C., known for its dense development, federal government presence, and landmarks such as the Pentagon and Arlington National Cemetery.
-
E.
Nokesville, Virginia
Nokesville, Virginia is a small rural community in Northern Virginia known for its farmland, equestrian activities, and quiet residential character.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a88b08e4308190bdac9aebcca1c91a |
completed | March 4, 2026, 7:42 p.m. |
| NER | Named-entity recognition | batch_69abc2194150819083156e4dcd45a423 |
completed | March 7, 2026, 6:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae71e48fb081908498f826167020a2 |
completed | March 9, 2026, 7:08 a.m. |
Created at: March 4, 2026, 7:48 p.m.