Triple
T12142498
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Woodstock, Maryland |
E289221
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Baltimore and Ohio Railroad (historic alignment) |
E26763
|
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: Baltimore and Ohio Railroad (historic alignment) | Statement: [Woodstock, Maryland, locatedOn, Baltimore and Ohio Railroad (historic alignment)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Baltimore and Ohio Railroad (historic alignment) Context triple: [Woodstock, Maryland, locatedOn, Baltimore and Ohio Railroad (historic alignment)]
-
A.
Washington–Baltimore rail corridor
The Washington–Baltimore rail corridor is a heavily traveled rail route linking the U.S. capital with Baltimore, used by both passenger and freight services and forming a key segment of the Northeast transportation network.
-
B.
Baltimore and Susquehanna Railroad
The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway system.
-
C.
Baltimore and Ohio Railroad
chosen
The Baltimore and Ohio Railroad was one of the earliest and most influential American railroads, playing a key role in the development of U.S. transportation and commerce in the 19th and early 20th centuries.
-
D.
South Side Railroad
South Side Railroad was a key 19th-century rail line in Virginia that linked the strategic transportation hub of Petersburg with Richmond and other points west, playing an important role in regional commerce and Civil War logistics.
-
E.
Philadelphia, Wilmington and Baltimore Railroad
The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
- 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_69d6ab4c6710819097a9d228382dde43 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d915a9838081909622cc14df2a2582 |
completed | April 10, 2026, 3:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f5f69501348190a9ac090c7db37c20 |
completed | May 2, 2026, 1:05 p.m. |
Created at: April 8, 2026, 9:49 p.m.