Triple
T9165647
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 12th Street SW |
E219947
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Smithsonian station (Washington Metro) |
E169501
|
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: Smithsonian station (Washington Metro) | Statement: [12th Street SW, servedBy, Smithsonian station (Washington Metro)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Smithsonian station (Washington Metro) Context triple: [12th Street SW, servedBy, Smithsonian station (Washington Metro)]
-
A.
Smithsonian station (Washington Metro)
chosen
Smithsonian station is a Washington Metro rapid transit station on the National Mall in downtown Washington, D.C., serving major museums and landmarks including the Smithsonian Institution.
-
B.
Union Station (Washington Metro)
Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
-
C.
Smithsonian Metro station
Smithsonian Metro station is a Washington, D.C. Metrorail stop on the National Mall that serves major museums and monuments including the Smithsonian Institution.
-
D.
Crystal City station (Washington Metro)
Crystal City station (Washington Metro) is an underground rapid transit station in Arlington, Virginia, serving the Blue and Yellow Lines and providing access to the Crystal City business district near Reagan National Airport.
-
E.
Bethesda station (Washington Metro)
Bethesda station (Washington Metro) is an underground Red Line rapid transit station in downtown Bethesda, Maryland, providing commuter rail service to the Washington, D.C. metropolitan area.
- 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_69ca83e3633c81908688a9fa2306ba99 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69ccaa3055048190870211449c78fc4e |
completed | April 1, 2026, 5:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d05484c2688190a5c64b5b54bedbb5 |
completed | April 4, 2026, midnight |
Created at: March 30, 2026, 7:22 p.m.