Triple
T1121983
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Northeast Regional |
E24631
|
entity |
| Predicate | railwayLineUsed |
P848
|
FINISHED |
| Object | Virginia Railway Express trackage (in Virginia) |
E1371
|
NE FINISHED |
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 trackage (in Virginia) | Statement: [Amtrak Northeast Regional, railwayLineUsed, Virginia Railway Express trackage (in Virginia)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Virginia Railway Express trackage (in Virginia) Context triple: [Amtrak Northeast Regional, railwayLineUsed, Virginia Railway Express trackage (in Virginia)]
-
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.
Interstate 64 in parts of Virginia
Interstate 64 in parts of Virginia is a major east–west highway crossing the state, connecting cities such as Richmond and Charlottesville and serving as a key corridor between the Appalachian region and the Atlantic coast.
-
C.
Virginia Department of Rail and Public Transportation
The Virginia Department of Rail and Public Transportation is a state agency responsible for planning, funding, and improving passenger and freight rail, public transit, and commuter services across the Commonwealth of Virginia.
-
D.
U.S. Route 29 in Virginia
U.S. Route 29 in Virginia is a major north–south highway that traverses the state from the North Carolina border to Washington, D.C., connecting cities such as Danville, Lynchburg, Charlottesville, and Fairfax.
-
E.
Washington & Old Dominion Railroad Trail
The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a4940712c88190aa244f3fc6070a65 |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bbbf71188190b82c8fff9d5ac01a |
completed | March 1, 2026, 10:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac539d51848190a9eb9ddaa7e4c6a8 |
completed | March 7, 2026, 4:34 p.m. |
Created at: March 1, 2026, 7:44 p.m.