Triple
T3642614
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad Lines East |
E77222
|
entity |
| Predicate | railroadSystemComponentOf |
P49311
|
FINISHED |
| Object | Pennsylvania Railroad eastern territory |
E77222
|
NE FINISHED |
How this triple was built (3 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 eastern territory | Statement: [Pennsylvania Railroad Lines East, railroadSystemComponentOf, Pennsylvania Railroad eastern territory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad eastern territory Context triple: [Pennsylvania Railroad Lines East, railroadSystemComponentOf, Pennsylvania Railroad eastern territory]
-
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.
Lehigh Valley Railroad
Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
-
C.
Philadelphia and Western Railroad
The Philadelphia and Western Railroad was an early 20th-century interurban railway in the Philadelphia region that later evolved into what is now known as the Norristown High Speed Line.
-
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.
Philadelphia and Reading Railroad
The Philadelphia and Reading Railroad was a major 19th- and early 20th-century American railroad and coal-transporting line centered in Pennsylvania, later known as part of the Reading Company system.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railroadSystemComponentOf Context triple: [Pennsylvania Railroad Lines East, railroadSystemComponentOf, Pennsylvania Railroad eastern territory]
-
A.
railroad
Indicates that one entity constructs, operates, or provides railroad or train transportation services for another entity or area.
-
B.
railComponent
chosen
Indicates a relationship where one entity is a structural or functional part of a rail or railway system component of another entity.
-
C.
railSystemType
Indicates the specific category or classification of a rail transportation system that an entity belongs to or operates within.
-
D.
railroadMet
Indicates that two or more railroads encountered or connected with each other at a specific place or time.
-
E.
hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
- F. None of above.
Provenance (4 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_69b4dafa96ac81908cda04ca12722460 |
completed | March 14, 2026, 3:50 a.m. |
| PD | Predicate disambiguation | batch_69adb8445b2c8190ab07f6ad4e010d0e |
completed | March 8, 2026, 5:56 p.m. |
Created at: March 8, 2026, 3:24 p.m.