Triple
T8922848
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transportation in Prince William County, Virginia |
E212466
|
entity |
| Predicate | commuterRailProvider |
P14525
|
FINISHED |
| Object | Virginia Railway Express |
E1371
|
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: Virginia Railway Express | Statement: [Transportation in Prince William County, Virginia, commuterRailProvider, Virginia Railway Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Virginia Railway Express Context triple: [Transportation in Prince William County, Virginia, commuterRailProvider, 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.
Washington–Baltimore rail corridor
The Washington–Baltimore rail corridor is a heavily traveled rail route linking the U.S. capital with Baltimore, used by both passenger and freight services and forming a key segment of the Northeast transportation network.
-
E.
Tri-Rail
Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
- 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: commuterRailProvider Context triple: [Transportation in Prince William County, Virginia, commuterRailProvider, Virginia Railway Express]
-
A.
commuterRailMode
Indicates that the relationship involves travel or transportation specifically by commuter rail as the mode of transit between the related entities.
-
B.
railFranchise
Indicates a contractual relationship in which a company is granted the right to operate rail services or manage rail infrastructure within a specified area or route.
-
C.
railwayTypeServed
Indicates the type of railway system or service that a given entity (such as a station, line, or facility) is designed to serve or accommodate.
-
D.
transportationServedBy
chosen
Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
-
E.
railServicesTo
Indicates that rail transportation services operate from one location to another specified destination.
- F. None of above.
Provenance (4 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_69ca839481d48190b42b037e0d0f636c |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc665143688190872c681f4299bd9f |
completed | April 1, 2026, 12:26 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfba5480d48190bf126caaa882d39e |
completed | April 3, 2026, 1:02 p.m. |
| PD | Predicate disambiguation | batch_69cc5ed0ef3c81908cc69eac852ee12a |
completed | March 31, 2026, 11:54 p.m. |
Created at: March 30, 2026, 6:56 p.m.