Triple
T19692414
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Plains rail bridge |
E472867
|
entity |
| Predicate | locatedNear |
P294
|
FINISHED |
| Object | Blue Plains |
—
|
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: Blue Plains | Statement: [Blue Plains rail bridge, locatedNear, Blue Plains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blue Plains Context triple: [Blue Plains rail bridge, locatedNear, Blue Plains]
-
A.
Blue Plains
chosen
Blue Plains is a major advanced wastewater treatment facility in Washington, D.C., known as one of the largest and most sophisticated plants of its kind in the world.
-
B.
Occoquan Reservoir
Occoquan Reservoir is a man-made lake in Northern Virginia that serves as a major drinking water source and recreational area for the Washington, D.C. metropolitan region.
-
C.
Blue Plains Advanced Wastewater Treatment Plant
The Blue Plains Advanced Wastewater Treatment Plant is a major wastewater treatment facility in Washington, D.C., recognized as one of the largest and most advanced of its kind in the world.
-
D.
Occoquan Dam
Occoquan Dam is a concrete gravity dam in northern Virginia that creates the Occoquan Reservoir, a major regional water supply and flood-control structure for the Washington, D.C. metropolitan area.
-
E.
The Reservoir
The Reservoir is a large man-made lake in Central Park, New York City, popular for its scenic running track and iconic skyline views.
- 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_69d8e515bef88190bc30781aea50537a |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e64210cddc8190836faa2996a44457 |
completed | April 20, 2026, 3:11 p.m. |
Created at: April 10, 2026, 1:46 p.m.