Triple
T23205456
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bridgeville, Delaware |
E580440
|
entity |
| Predicate | servedByRailway |
P848
|
FINISHED |
| Object | Delmarva Central Railroad |
—
|
NE NERFINISHED |
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: Delmarva Central Railroad | Statement: [Bridgeville, Delaware, servedByRailway, Delmarva Central Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Delmarva Central Railroad Context triple: [Bridgeville, Delaware, servedByRailway, Delmarva Central Railroad]
-
A.
Delmarva Central Railroad
chosen
Delmarva Central Railroad is a regional freight railroad operating on the Delmarva Peninsula, serving industries in Delaware, Maryland, and Virginia.
-
B.
Chesapeake Beach Railway
The Chesapeake Beach Railway was a historic early 20th-century rail line that carried passengers from Washington, D.C., to the resort town of Chesapeake Beach, Maryland, promoting seaside tourism along the Western Shore of the Chesapeake Bay.
-
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.
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.
-
E.
Wilmington and Western Railroad
The Wilmington and Western Railroad is a historic heritage railway in northern Delaware that operates scenic tourist excursions through the Red Clay Creek valley.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e24602ae1481908aaa6bc7ca493867 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f1907c1d7c8190aca252a39ae0da86 |
completed | April 29, 2026, 5 a.m. |
Created at: April 17, 2026, 4:07 p.m.