Triple
T3773269
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Manassas station |
E83244
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
Virginia Railway Express stations
Virginia Railway Express stations are passenger rail stops in Northern Virginia that serve commuters traveling on VRE’s Manassas and Fredericksburg lines into the Washington, D.C. metropolitan area.
|
E387190
|
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: Virginia Railway Express stations | Statement: [Manassas station, category, Virginia Railway Express stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Virginia Railway Express stations Context triple: [Manassas station, category, Virginia Railway Express stations]
-
A.
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.
-
B.
Virginia Water railway station
Virginia Water railway station is a commuter rail station in Surrey, England, serving the village of Virginia Water on key routes between London and the southwest.
-
C.
Charlottesville station
Charlottesville station is a passenger rail station in Charlottesville, Virginia, that serves as a regional transportation hub for Amtrak services in the area.
-
D.
Crystal City station (VRE)
Crystal City station (VRE) is a Virginia Railway Express commuter rail stop serving the Crystal City neighborhood in Arlington, Virginia, providing connections to Washington, D.C. and other regional destinations.
-
E.
Woodbridge VRE station
Woodbridge VRE station is a commuter rail station in Woodbridge, Virginia, serving Virginia Railway Express trains on the Fredericksburg Line and connecting local transit services.
- 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: Virginia Railway Express stations Triple: [Manassas station, category, Virginia Railway Express stations]
Generated description
Virginia Railway Express stations are passenger rail stops in Northern Virginia that serve commuters traveling on VRE’s Manassas and Fredericksburg lines into the Washington, D.C. metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Virginia Railway Express stations Target entity description: Virginia Railway Express stations are passenger rail stops in Northern Virginia that serve commuters traveling on VRE’s Manassas and Fredericksburg lines into the Washington, D.C. metropolitan area.
-
A.
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.
-
B.
Virginia Water railway station
Virginia Water railway station is a commuter rail station in Surrey, England, serving the village of Virginia Water on key routes between London and the southwest.
-
C.
Charlottesville station
Charlottesville station is a passenger rail station in Charlottesville, Virginia, that serves as a regional transportation hub for Amtrak services in the area.
-
D.
Crystal City station (VRE)
Crystal City station (VRE) is a Virginia Railway Express commuter rail stop serving the Crystal City neighborhood in Arlington, Virginia, providing connections to Washington, D.C. and other regional destinations.
-
E.
Woodbridge VRE station
Woodbridge VRE station is a commuter rail station in Woodbridge, Virginia, serving Virginia Railway Express trains on the Fredericksburg Line and connecting local transit services.
- 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_69ad8b235e608190b5a2b1d1bfcef50b |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69adcc57c9e48190a0f254e47348bf32 |
completed | March 8, 2026, 7:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4e52ebd988190b6e3a7d8069b74be |
completed | March 14, 2026, 4:33 a.m. |
| NEDg | Description generation | batch_69b4e64663b881908469456b15bc2687 |
completed | March 14, 2026, 4:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b4ea0de7708190abe4be1c8af3cd71 |
completed | March 14, 2026, 4:54 a.m. |
Created at: March 8, 2026, 3:36 p.m.