Triple
T6257918
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Occoquan River |
E140219
|
entity |
| Predicate | hasRecreationArea |
P5383
|
FINISHED |
| Object |
Fountainhead Regional Park (on Occoquan Reservoir)
Fountainhead Regional Park (on Occoquan Reservoir) is a Northern Virginia outdoor recreation area known for its boating, fishing, hiking, and mountain biking opportunities along the Occoquan River.
|
E580597
|
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: Fountainhead Regional Park (on Occoquan Reservoir) | Statement: [Occoquan River, hasRecreationArea, Fountainhead Regional Park (on Occoquan Reservoir)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fountainhead Regional Park (on Occoquan Reservoir) Context triple: [Occoquan River, hasRecreationArea, Fountainhead Regional Park (on Occoquan Reservoir)]
-
A.
Lake Accotink Park
Lake Accotink Park is a popular Fairfax County, Virginia recreational area centered around Lake Accotink, offering trails, boating, picnicking, and other outdoor activities.
-
B.
Pohick Bay Regional Park
Pohick Bay Regional Park is a waterfront recreational area in Northern Virginia offering camping, boating, hiking, and other outdoor activities along the Potomac River.
-
C.
Cabin John Regional Park
Cabin John Regional Park is a large Montgomery County, Maryland park known for its wooded trails, picnic areas, playgrounds, and recreational facilities including the Cabin John Ice Rink and miniature train.
-
D.
Lake Fairfax Park
Lake Fairfax Park is a large public park in Reston, Virginia, known for its lake, trails, campgrounds, and recreational facilities.
-
E.
East Park Reservoir area
The East Park Reservoir area is a section of Philadelphia’s Fairmount Park that encompasses a historic water reservoir and surrounding green space used for recreation and conservation.
- 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: Fountainhead Regional Park (on Occoquan Reservoir) Triple: [Occoquan River, hasRecreationArea, Fountainhead Regional Park (on Occoquan Reservoir)]
Generated description
Fountainhead Regional Park (on Occoquan Reservoir) is a Northern Virginia outdoor recreation area known for its boating, fishing, hiking, and mountain biking opportunities along the Occoquan River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fountainhead Regional Park (on Occoquan Reservoir) Target entity description: Fountainhead Regional Park (on Occoquan Reservoir) is a Northern Virginia outdoor recreation area known for its boating, fishing, hiking, and mountain biking opportunities along the Occoquan River.
-
A.
Lake Accotink Park
Lake Accotink Park is a popular Fairfax County, Virginia recreational area centered around Lake Accotink, offering trails, boating, picnicking, and other outdoor activities.
-
B.
Pohick Bay Regional Park
Pohick Bay Regional Park is a waterfront recreational area in Northern Virginia offering camping, boating, hiking, and other outdoor activities along the Potomac River.
-
C.
Cabin John Regional Park
Cabin John Regional Park is a large Montgomery County, Maryland park known for its wooded trails, picnic areas, playgrounds, and recreational facilities including the Cabin John Ice Rink and miniature train.
-
D.
Lake Fairfax Park
Lake Fairfax Park is a large public park in Reston, Virginia, known for its lake, trails, campgrounds, and recreational facilities.
-
E.
East Park Reservoir area
The East Park Reservoir area is a section of Philadelphia’s Fairmount Park that encompasses a historic water reservoir and surrounding green space used for recreation and conservation.
- 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_69c008c95c5c819084bd3dd56133d84d |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c06366baa481908d59428cceabbe46 |
completed | March 22, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c2443f0cb88190a32968fce0214045 |
completed | March 24, 2026, 7:58 a.m. |
| NEDg | Description generation | batch_69c2471a08448190bb8d61f20403d44b |
completed | March 24, 2026, 8:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c4fb839b2481909caa57f34a8837db |
completed | March 26, 2026, 9:25 a.m. |
Created at: March 22, 2026, 4:24 p.m.