Triple
T22736210
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alexandria DASH bus system |
E562277
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Virginia Railway Express |
—
|
NE NERFINISHED |
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: Virginia Railway Express | Statement: [Alexandria DASH bus system, connectsWith, Virginia Railway Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Virginia Railway Express Context triple: [Alexandria DASH bus system, connectsWith, Virginia Railway Express]
-
A.
Virginia Railway Express
chosen
Virginia Railway Express is a commuter rail service that connects Northern Virginia suburbs with Washington, D.C., primarily serving daily work commuters.
-
B.
Southeast Corridor
The Southeast Corridor is a key passenger rail route in the southeastern United States served by Amtrak’s Carolinian train.
-
C.
VRE Manassas Line
The VRE Manassas Line is a Virginia Railway Express commuter rail route connecting Washington, D.C. with communities in Northern Virginia, including the city of Manassas.
-
D.
RTD Southeast Corridor
RTD Southeast Corridor is a major light rail corridor in the Denver metropolitan area that connects downtown Denver with its southeastern suburbs and business districts.
-
E.
Richmond Metropolitan Transportation Authority
The Richmond Metropolitan Transportation Authority is a regional public agency that develops, operates, and maintains toll roads, bridges, and parking facilities in the Richmond, Virginia area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e24550859c81908727d91efc3a81b4 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f1796fc2a88190a4d86b421345b088 |
completed | April 29, 2026, 3:22 a.m. |
Created at: April 17, 2026, 3:22 p.m.