Triple
T4401236
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Hyattsville station |
E93619
|
entity |
| Predicate | nearbyWaterway |
P1489
|
FINISHED |
| Object | Northwest Branch Anacostia River |
E38570
|
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 | Statement: [West Hyattsville station, nearbyWaterway, Northwest Branch Anacostia River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northwest Branch Anacostia River Context triple: [West Hyattsville station, nearbyWaterway, Northwest Branch Anacostia River]
-
A.
Anacostia River
chosen
The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
-
B.
Patapsco River
The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
-
C.
South Branch Patapsco River
The South Branch Patapsco River is a principal headwater stream of Maryland’s Patapsco River, flowing through rural and forested areas before contributing to the river system that ultimately feeds into the Chesapeake Bay.
-
D.
Occoquan River
The Occoquan River is a tributary of the Potomac River in northern Virginia, known for its role in regional water supply, recreation, and the historic town of Occoquan along its banks.
-
E.
Accokeek Creek
Accokeek Creek is a small waterway in southern Maryland that flows through the Accokeek area toward the Potomac River, contributing to the region’s local watershed and natural landscape.
- 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_69b345158c748190a2c040fce2da9980 |
completed | March 12, 2026, 10:58 p.m. |
| NER | Named-entity recognition | batch_69b352cf218481908d072fec58361f28 |
completed | March 12, 2026, 11:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b6374a22c88190ba36ddb180634573 |
completed | March 15, 2026, 4:36 a.m. |
Created at: March 12, 2026, 11:28 p.m.