Triple
T21588634
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Adelphi, Maryland |
E532720
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Northwest Branch Anacostia River vicinity |
E922656
|
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: Northwest Branch Anacostia River vicinity | Statement: [Adelphi, Maryland, locatedOn, Northwest Branch Anacostia River vicinity]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northwest Branch Anacostia River vicinity Context triple: [Adelphi, Maryland, locatedOn, Northwest Branch Anacostia River vicinity]
-
A.
Aquia Creek area
The Aquia Creek area is a historic region in Stafford County, Virginia, known for its sandstone quarries that supplied building stone for prominent early American structures, including parts of the U.S. Capitol and White House.
-
B.
Patapsco River waterfront
The Patapsco River waterfront is a historically industrial and now increasingly redeveloped shoreline area along the Patapsco River in Baltimore, Maryland, featuring ports, mixed-use developments, and recreational spaces.
-
C.
Northwest Branch Anacostia River
chosen
The Northwest Branch Anacostia River is a major tributary of the Anacostia River in Maryland and Washington, D.C., flowing through parkland and suburban communities and supporting popular recreational trails along its banks.
-
D.
Anacostia waterfront
The Anacostia waterfront is a revitalized riverfront area in Washington, D.C., featuring parks, trails, residential and commercial developments, and cultural attractions along the Anacostia River.
-
E.
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.
- 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_69e0c46251648190876f0427cf2d321b |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eefadb25108190b7a3d2e8dfc8ae60 |
completed | April 27, 2026, 5:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09f67f08208190a1633fd2a28e2fa2 |
completed | May 17, 2026, 5:10 p.m. |
Created at: April 16, 2026, 6:31 p.m.