Triple
T4059631
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Broad Run station |
E84777
|
entity |
| Predicate | line |
P1293
|
FINISHED |
| Object | Manassas Line |
E11673
|
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: Manassas Line | Statement: [Broad Run station, line, Manassas Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Manassas Line Context triple: [Broad Run station, line, 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.
Sunken Road and Marye’s Heights
Sunken Road and Marye’s Heights is a key Civil War battlefield site in Fredericksburg, Virginia, known for the devastating Confederate defensive position during the Battle of Fredericksburg.
-
D.
Carlisle–Chambersburg line
The Carlisle–Chambersburg line was a 19th-century railroad route in south-central Pennsylvania that connected the towns of Carlisle and Chambersburg as part of the Cumberland Valley Railroad network.
-
E.
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.
- 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_69aed933bec881909edfa28ebb69c634 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefbd32c0c8190bc575974ccf831b3 |
completed | March 9, 2026, 4:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b562a98c488190a7e77cd46ff998bc |
completed | March 14, 2026, 1:29 p.m. |
Created at: March 9, 2026, 3:38 p.m.