Triple
T437511
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Great Falls of the Potomac |
E10041
|
entity |
| Predicate | nearFeature |
P2064
|
FINISHED |
| Object |
remains of Patowmack Canal
The remains of the Patowmack Canal are the historic ruins of one of the earliest American canal projects, initiated by George Washington to improve navigation on the Potomac River near Great Falls.
|
E55310
|
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: remains of Patowmack Canal | Statement: [Great Falls of the Potomac, nearFeature, remains of Patowmack Canal]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: remains of Patowmack Canal Context triple: [Great Falls of the Potomac, nearFeature, remains of Patowmack Canal]
-
A.
Delaware and Hudson Canal
The Delaware and Hudson Canal was a 19th-century engineering project that transported anthracite coal from Pennsylvania to the Hudson River, playing a key role in early American industrialization and canal-era commerce.
-
B.
Schuylkill Banks
Schuylkill Banks is a popular urban waterfront park and recreational corridor along the Schuylkill River in Philadelphia, featuring trails, green space, and riverfront amenities.
-
C.
Old Croton Aqueduct State Historic Park
Old Croton Aqueduct State Historic Park is a linear park and historic trail that follows the route of the 19th-century aqueduct that once carried New York City’s drinking water from the Croton River.
-
D.
New Croton Aqueduct
The New Croton Aqueduct is a major underground water tunnel that conveys drinking water from the Croton Reservoir system in upstate New York to New York City.
-
E.
Indiana Central Canal (remnant / canal walk)
The Indiana Central Canal (remnant / canal walk) is a historic waterway segment in downtown Indianapolis that has been redeveloped into a popular urban promenade featuring trails, public art, and waterfront attractions.
- 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: remains of Patowmack Canal Triple: [Great Falls of the Potomac, nearFeature, remains of Patowmack Canal]
Generated description
The remains of the Patowmack Canal are the historic ruins of one of the earliest American canal projects, initiated by George Washington to improve navigation on the Potomac River near Great Falls.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: remains of Patowmack Canal Target entity description: The remains of the Patowmack Canal are the historic ruins of one of the earliest American canal projects, initiated by George Washington to improve navigation on the Potomac River near Great Falls.
-
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.
Delaware and Hudson Canal
The Delaware and Hudson Canal was a 19th-century engineering project that transported anthracite coal from Pennsylvania to the Hudson River, playing a key role in early American industrialization and canal-era commerce.
-
C.
Schuylkill Banks
Schuylkill Banks is a popular urban waterfront park and recreational corridor along the Schuylkill River in Philadelphia, featuring trails, green space, and riverfront amenities.
-
D.
Old Croton Aqueduct State Historic Park
Old Croton Aqueduct State Historic Park is a linear park and historic trail that follows the route of the 19th-century aqueduct that once carried New York City’s drinking water from the Croton River.
-
E.
New Croton Aqueduct
The New Croton Aqueduct is a major underground water tunnel that conveys drinking water from the Croton Reservoir system in upstate New York to New York City.
- 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_69a2e8465ef481909655c681b01e2986 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f01d8fa88190849d720b029db479 |
completed | Feb. 28, 2026, 1:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4366eb0588190beb5c43828f8ca45 |
completed | March 1, 2026, 12:51 p.m. |
| NEDg | Description generation | batch_69a436c6f1a0819086f8d8f12bc82e87 |
completed | March 1, 2026, 12:53 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4379eee248190a417b81afbb403ae |
completed | March 1, 2026, 12:57 p.m. |
Created at: Feb. 28, 2026, 1:11 p.m.