Triple
T801633
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Broad Run, Virginia |
E17139
|
entity |
| Predicate | railTerminusOf |
P15150
|
FINISHED |
| Object | Manassas Line |
E11673
|
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: Manassas Line | Statement: [Broad Run, Virginia, railTerminusOf, Manassas Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Manassas Line Context triple: [Broad Run, Virginia, railTerminusOf, Manassas Line]
-
A.
Manassas Line
chosen
The Manassas Line is a commuter rail route in Northern Virginia that connects suburban communities to Washington, D.C. as part of the Virginia Railway Express system.
-
B.
Fredericksburg Line
The Fredericksburg Line is a Virginia Railway Express commuter rail route that connects Washington, D.C. with communities in Northern Virginia along the I-95 corridor.
-
C.
Manassas
Manassas is an independent city in Northern Virginia best known as the site of two major American Civil War battles and now a suburban community within the Washington, D.C. metropolitan area.
-
D.
Seminary Ridge
Seminary Ridge is a prominent elevated landform west of Gettysburg that served as a major Confederate defensive position during the Battle of Gettysburg in the American Civil War.
-
E.
Manassas National Battlefield Park
Manassas National Battlefield Park is a preserved Civil War battlefield in Virginia that commemorates the First and Second Battles of Bull Run through historic landscapes, monuments, and visitor exhibits.
- 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: railTerminusOf Context triple: [Broad Run, Virginia, railTerminusOf, Manassas Line]
-
A.
terminusStation
chosen
Indicates that a station serves as the final endpoint or terminal stop for a given route or service.
-
B.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
C.
interchangeStation
Indicates a station where passengers can transfer between different routes, lines, or modes of transportation.
-
D.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
-
E.
stationName
Indicates the name assigned to a particular station in the relationship.
- 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_69a49378b9c48190adbf5f62e5b7aca1 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a7cd6b98819080898934552a72f9 |
completed | March 1, 2026, 8:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7a3b1a81481908c831d1f43b9d014 |
completed | March 4, 2026, 3:14 a.m. |
| PD | Predicate disambiguation | batch_69a4a5133bf88190a613e96d1f7cffa7 |
completed | March 1, 2026, 8:44 p.m. |
Created at: March 1, 2026, 7:38 p.m.