Triple
T3642615
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad Lines East |
E77222
|
entity |
| Predicate | historicalAssociation |
P1481
|
FINISHED |
| Object | Pennsylvania Railroad main line between the East Coast and the Midwest |
E77222
|
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: Pennsylvania Railroad main line between the East Coast and the Midwest | Statement: [Pennsylvania Railroad Lines East, historicalAssociation, Pennsylvania Railroad main line between the East Coast and the Midwest]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad main line between the East Coast and the Midwest Context triple: [Pennsylvania Railroad Lines East, historicalAssociation, Pennsylvania Railroad main line between the East Coast and the Midwest]
-
A.
Pennsylvania Railroad Lines East
chosen
Pennsylvania Railroad Lines East was the eastern operating division of the Pennsylvania Railroad, managing its passenger and freight services across key routes in the northeastern United States.
-
B.
New York Central Railroad main line
The New York Central Railroad main line, famously known as the Water Level Route, was a major U.S. rail corridor connecting the Midwest to the East Coast along relatively flat terrain that followed river valleys and the Great Lakes.
-
C.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
-
D.
Panhandle Route of the Pennsylvania Railroad
The Panhandle Route of the Pennsylvania Railroad was a major historic rail line that connected Pittsburgh with the American Midwest, serving as an important freight and passenger corridor in the 19th and early 20th centuries.
-
E.
Trans-Hudson rail network
The Trans-Hudson rail network is a rapid transit system that connects New Jersey with Manhattan via tunnels under the Hudson River, primarily serving commuters traveling between the two states.
- 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_69ad85de1b988190a45f8dbfebc806fc |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc35acf2c81908f60168e93b773b1 |
completed | March 8, 2026, 6:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b44f2e464881909d62dd2fad811a83 |
completed | March 13, 2026, 5:53 p.m. |
Created at: March 8, 2026, 3:24 p.m.