Triple
T3165843
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Potomac Yard–VT Metrorail station |
E66208
|
entity |
| Predicate | precedingStationOnYellowLine |
P46469
|
FINISHED |
| Object | Ronald Reagan Washington National Airport station |
E170290
|
NE FINISHED |
How this triple was built (3 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: Ronald Reagan Washington National Airport station | Statement: [Potomac Yard–VT Metrorail station, precedingStationOnYellowLine, Ronald Reagan Washington National Airport station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ronald Reagan Washington National Airport station Context triple: [Potomac Yard–VT Metrorail station, precedingStationOnYellowLine, Ronald Reagan Washington National Airport station]
-
A.
Ronald Reagan Washington National Airport station
chosen
Ronald Reagan Washington National Airport station is a Washington Metro rail station in Arlington, Virginia that directly serves the airport’s terminals.
-
B.
Dulles International Airport station
Dulles International Airport station is a Washington Metro rail station on the Silver Line that provides direct transit access to Washington Dulles International Airport.
-
C.
Dulles North Transit Center
Dulles North Transit Center is a major park-and-ride and bus transit hub in Loudoun County, Virginia, providing commuter connections to the Washington, D.C. metropolitan area.
-
D.
Ronald Reagan Washington National Airport
Ronald Reagan Washington National Airport is a major commercial airport serving the Washington, D.C. metropolitan area, located in Arlington, Virginia just across the Potomac River from the U.S. capital.
-
E.
Pentagon City station
Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: precedingStationOnYellowLine Context triple: [Potomac Yard–VT Metrorail station, precedingStationOnYellowLine, Ronald Reagan Washington National Airport station]
-
A.
precedingStationOnOrangeLine
Indicates that one station is immediately before another station along the Orange Line route.
-
B.
precedingStationOnRedLineSouthbound
Indicates that one station is immediately before another station when traveling southbound on the Red Line.
-
C.
adjacentStationOnRedLine
Indicates that one station is directly next to another station along the Red Line, with no other stations in between.
-
D.
adjacentStationOnOrangeLine
Indicates that one station is directly next to another station along the Orange Line, with no other stations in between.
-
E.
hasAdjacentStationOnGreenLine
Indicates that one station is directly next to another station along the Green Line.
- 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_69ad8585d7988190af37365331093ccd |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada6424ee48190a29891ffbbc3811d |
completed | March 8, 2026, 4:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24b552b488190938ed9fe4d046b01 |
completed | March 12, 2026, 5:12 a.m. |
| PD | Predicate disambiguation | batch_69ad9dfe0a948190928f2201d671c654 |
completed | March 8, 2026, 4:04 p.m. |
| PDg | Predicate description generation | batch_69ada148e9108190b363dd0f1a94ac8e |
completed | March 8, 2026, 4:18 p.m. |
Created at: March 8, 2026, 3:06 p.m.