Triple
T68661
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Virginia Railway Express |
E1371
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Northern Virginia Transportation Commission
The Northern Virginia Transportation Commission is a regional governmental body that plans, funds, and oversees public transportation services in Northern Virginia.
|
E7651
|
NE FINISHED |
How this triple was built (4 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: Northern Virginia Transportation Commission | Statement: [Virginia Railway Express, operator, Northern Virginia Transportation Commission]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern Virginia Transportation Commission Context triple: [Virginia Railway Express, operator, Northern Virginia Transportation Commission]
-
A.
Washington Metropolitan Area Transit Authority
The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
-
B.
Virginia Railway Express
Virginia Railway Express is a commuter rail service that connects Northern Virginia suburbs with Washington, D.C., primarily serving daily work commuters.
-
C.
Virginia Department of Transportation
The Virginia Department of Transportation is the state agency responsible for planning, building, and maintaining Virginia’s highway system and other transportation infrastructure.
-
D.
Northern Virginia
Northern Virginia is a populous, economically significant region of the Commonwealth of Virginia, encompassing suburbs of Washington, D.C., and serving as a major hub for government, technology, and defense industries.
-
E.
Metropolitan Washington Airports Authority
The Metropolitan Washington Airports Authority is an independent regional agency that manages and operates major airports serving the Washington, D.C. metropolitan area.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Northern Virginia Transportation Commission Triple: [Virginia Railway Express, operator, Northern Virginia Transportation Commission]
Generated description
The Northern Virginia Transportation Commission is a regional governmental body that plans, funds, and oversees public transportation services in Northern Virginia.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Northern Virginia Transportation Commission Target entity description: The Northern Virginia Transportation Commission is a regional governmental body that plans, funds, and oversees public transportation services in Northern Virginia.
-
A.
Washington Metropolitan Area Transit Authority
The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
-
B.
Virginia Railway Express
Virginia Railway Express is a commuter rail service that connects Northern Virginia suburbs with Washington, D.C., primarily serving daily work commuters.
-
C.
Virginia Department of Transportation
The Virginia Department of Transportation is the state agency responsible for planning, building, and maintaining Virginia’s highway system and other transportation infrastructure.
-
D.
Northern Virginia
Northern Virginia is a populous, economically significant region of the Commonwealth of Virginia, encompassing suburbs of Washington, D.C., and serving as a major hub for government, technology, and defense industries.
-
E.
Metropolitan Washington Airports Authority
The Metropolitan Washington Airports Authority is an independent regional agency that manages and operates major airports serving the Washington, D.C. metropolitan area.
- 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_69a24c06b3bc8190aa4ac89026115efc |
completed | Feb. 28, 2026, 1:59 a.m. |
| NER | Named-entity recognition | batch_69a24f0333dc8190a29d28cbf6e4e813 |
completed | Feb. 28, 2026, 2:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a262406a6c81909be211fb2418ccbb |
completed | Feb. 28, 2026, 3:34 a.m. |
| NEDg | Description generation | batch_69a262d263508190a5924595c1a7ad28 |
completed | Feb. 28, 2026, 3:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2633ee14c8190bfc1a09ebf9e4efc |
completed | Feb. 28, 2026, 3:38 a.m. |
Created at: Feb. 28, 2026, 2:03 a.m.