Triple
T3165844
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Potomac Yard–VT Metrorail station |
E66208
|
entity |
| Predicate | followingStationOnYellowLine |
P46470
|
FINISHED |
| Object | Braddock Road station |
E20779
|
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: Braddock Road station | Statement: [Potomac Yard–VT Metrorail station, followingStationOnYellowLine, Braddock Road station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Braddock Road station Context triple: [Potomac Yard–VT Metrorail station, followingStationOnYellowLine, Braddock Road station]
-
A.
Braddock Road station
chosen
Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
-
B.
Potomac Avenue station
Potomac Avenue station is a Washington Metro rapid transit station in Washington, D.C., served by the Blue, Orange, and Silver Lines.
-
C.
Queen Lane station
Queen Lane station is a SEPTA Regional Rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line.
-
D.
Prince George's Plaza station
Prince George's Plaza station is a Washington Metro rapid transit stop in Hyattsville, Maryland, serving the Green Line and the surrounding commercial and residential areas.
-
E.
Germantown station
Germantown station is a commuter rail stop in Germantown, Maryland, served by MARC’s Brunswick Line connecting the area to Washington, D.C.
- 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: followingStationOnYellowLine Context triple: [Potomac Yard–VT Metrorail station, followingStationOnYellowLine, Braddock Road station]
-
A.
followingStationOnOrangeLine
Indicates that one station is the next station in sequence after another station on the Orange Line.
-
B.
adjacentStationOnOrangeLine
Indicates that one station is directly next to another station along the Orange Line, with no other stations in between.
-
C.
adjacentStationOnRedLine
Indicates that one station is directly next to another station along the Red Line, with no other stations in between.
-
D.
hasAdjacentStationOnGreenLine
Indicates that one station is directly next to another station along the Green Line.
-
E.
precedingStationOnOrangeLine
Indicates that one station is immediately before another station along the Orange Line route.
- 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_69b354545cd88190a4a09a247867fd34 |
completed | March 13, 2026, 12:03 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.