Triple
T2865424
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chesapeake and Ohio Railway |
E63425
|
entity |
| Predicate | abbreviation |
P43
|
FINISHED |
| Object | C&O |
E63425
|
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: C&O | Statement: [Chesapeake and Ohio Railway, abbreviation, C&O]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: C&O Context triple: [Chesapeake and Ohio Railway, abbreviation, C&O]
-
A.
Chesapeake and Ohio Railway
chosen
The Chesapeake and Ohio Railway was a major American railroad best known for hauling Appalachian coal and operating key routes through the Mid-Atlantic and Midwest before becoming part of the modern CSX rail system.
-
B.
Cumberland Valley Railroad
The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
-
C.
Winchester and Western Railroad
Winchester and Western Railroad is a regional shortline railroad that operates freight services in parts of the Mid-Atlantic United States, including the South Jersey area.
-
D.
Potowmack Company
The Potowmack Company was an 18th-century enterprise, championed by George Washington, that sought to improve navigation on the Potomac River to link the Atlantic seaboard with the western frontier.
-
E.
Potomac Mills
Potomac Mills is a large outlet and value retail shopping mall located in Woodbridge, Virginia, known for its wide variety of brand-name stores and dining options.
- 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_69ab4c42fb8c8190b36e161d47c03b81 |
completed | March 6, 2026, 9:50 p.m. |
| NER | Named-entity recognition | batch_69abdfb9e64c819087b1a47caeb174d5 |
completed | March 7, 2026, 8:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b01da458ec8190ae07237d7e23b302 |
completed | March 10, 2026, 1:33 p.m. |
Created at: March 6, 2026, 10:02 p.m.