Triple
T11227207
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Odenton |
E265725
|
entity |
| Predicate | railroadOrigin |
P97933
|
FINISHED |
| Object |
Baltimore & Potomac Railroad
The Baltimore & Potomac Railroad was a 19th-century rail line that connected Baltimore to Washington, D.C., later becoming part of the Pennsylvania Railroad system.
|
E912853
|
NE FINISHED |
How this triple was built (5 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 & Potomac Railroad | Statement: [Odenton, railroadOrigin, Baltimore & Potomac Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Baltimore & Potomac Railroad Context triple: [Odenton, railroadOrigin, Baltimore & Potomac Railroad]
-
A.
Baltimore and Ohio Railroad
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.
-
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.
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.
-
D.
Pennsylvania Railroad Company
The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
-
E.
Seaboard System Railroad
Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
- 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: Baltimore & Potomac Railroad Triple: [Odenton, railroadOrigin, Baltimore & Potomac Railroad]
Generated description
The Baltimore & Potomac Railroad was a 19th-century rail line that connected Baltimore to Washington, D.C., later becoming part of the Pennsylvania Railroad system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Baltimore & Potomac Railroad Target entity description: The Baltimore & Potomac Railroad was a 19th-century rail line that connected Baltimore to Washington, D.C., later becoming part of the Pennsylvania Railroad system.
-
A.
Baltimore and Ohio Railroad
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.
-
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.
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.
-
D.
Pennsylvania Railroad Company
The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
-
E.
Seaboard System Railroad
Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railroadOrigin Context triple: [Odenton, railroadOrigin, Baltimore & Potomac Railroad]
-
A.
originalRailroadName
Indicates the name of the railroad as it was originally known or designated, before any later changes such as mergers, rebrandings, or renamings.
-
B.
hasRailroadHistory
Indicates that an entity is associated with, involved in, or notable for historical events, operations, or developments related to railroads.
-
C.
formerRailroad
Indicates that an entity was previously a railroad but no longer functions as one.
-
D.
railroad
Indicates that one entity constructs, operates, or provides railroad or train transportation services for another entity or area.
-
E.
railwaySectorOrigin
Indicates the place or source from which a railway sector, line, or system originates or begins.
- F. None of above. chosen
Provenance (7 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_69d6aac656d48190b275efaa7d6074ee |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8ff7b40819089c835be710bc575 |
completed | April 9, 2026, 5:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4ad33fdf48190a7118c7c30577ec9 |
completed | April 19, 2026, 10:23 a.m. |
| NEDg | Description generation | batch_69e4b1ee74748190a33449ce1b92813e |
completed | April 19, 2026, 10:43 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4b3d23b18819096f3a11aecc732bd |
completed | April 19, 2026, 10:52 a.m. |
| PD | Predicate disambiguation | batch_69d75cfbbb188190861efd5d94fe27da |
completed | April 9, 2026, 8:02 a.m. |
| PDg | Predicate description generation | batch_69d77062271c8190b63da714ab5beff9 |
completed | April 9, 2026, 9:24 a.m. |
Created at: April 8, 2026, 9:30 p.m.