Triple
T20095760
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chain Bridge (Potomac River) |
E496394
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | C&O Canal National Historical Park (on Maryland side of Potomac River) |
—
|
NE NERFINISHED |
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: C&O Canal National Historical Park (on Maryland side of Potomac River) | Statement: [Chain Bridge (Potomac River), near, C&O Canal National Historical Park (on Maryland side of Potomac River)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: C&O Canal National Historical Park (on Maryland side of Potomac River) Context triple: [Chain Bridge (Potomac River), near, C&O Canal National Historical Park (on Maryland side of Potomac River)]
-
A.
Chesapeake and Ohio Canal National Historical Park (across Potomac)
Chesapeake and Ohio Canal National Historical Park is a protected historic and recreational area along the Potomac River that preserves the 19th-century C&O Canal and its towpath, offering hiking, biking, and insights into early American transportation history.
-
B.
C&O Canal
chosen
The C&O Canal is a historic 19th-century waterway and towpath along the Potomac River, now preserved as a national historical park popular for hiking, biking, and exploring early American transportation history.
-
C.
Potomac River parklands
The Potomac River parklands are a collection of federally managed green spaces, memorials, and recreational areas along the Potomac River in the Washington, D.C. region.
-
D.
Potomac River waterfront areas
Potomac River waterfront areas are scenic riverfront zones along the Potomac that offer opportunities for outdoor recreation such as walking, boating, fishing, and enjoying natural views.
-
E.
Harpers Ferry Canal
Harpers Ferry Canal is a historic canal segment near Harpers Ferry, West Virginia, built in the late 18th century to improve navigation and commerce along the Potomac River.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69da626eee3881909f3454986d4a6511 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6666cc02481908780a415b19c05a2 |
completed | April 20, 2026, 5:46 p.m. |
Created at: April 11, 2026, 11:24 p.m.