Triple
T18305501
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rockville Bridge |
E438471
|
entity |
| Predicate | currentRailLine |
P75094
|
FINISHED |
| Object | Norfolk Southern Pittsburgh Line |
—
|
NE NERFINISHED |
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: Norfolk Southern Pittsburgh Line | Statement: [Rockville Bridge, currentRailLine, Norfolk Southern Pittsburgh Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Norfolk Southern Pittsburgh Line Context triple: [Rockville Bridge, currentRailLine, Norfolk Southern Pittsburgh Line]
-
A.
Norfolk Southern Pittsburgh Line
chosen
The Norfolk Southern Pittsburgh Line is a major freight rail corridor crossing Pennsylvania, known for its heavy traffic, steep grades, and key role in linking the U.S. East Coast with the Midwest.
-
B.
Norfolk Southern Southern Tier Line
The Norfolk Southern Southern Tier Line is a freight rail corridor in New York State that also hosts Metro-North’s Port Jervis Line commuter service.
-
C.
Pittsburgh and West Virginia Railway
The Pittsburgh and West Virginia Railway was a regional railroad that operated in the Appalachian area, providing freight and passenger service across parts of Pennsylvania and West Virginia.
-
D.
Pennsylvania Railroad Buffalo Line
The Pennsylvania Railroad Buffalo Line was a key freight rail route in the northeastern United States that connected Buffalo, New York, with other major points on the Pennsylvania Railroad system.
-
E.
Southern Main Line
The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
- 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: currentRailLine Context triple: [Rockville Bridge, currentRailLine, Norfolk Southern Pittsburgh Line]
-
A.
railwayLineNow
chosen
Indicates that a previously existing railway line has been replaced, succeeded, or is currently represented by a new or different railway line.
-
B.
railwayLine
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
C.
hasRailwayLineUnderConstruction
Indicates that a railway line associated with an entity is currently in the process of being built but not yet completed.
-
D.
hasRailwayLineNumber
Indicates the specific identification number assigned to a railway line associated with an entity.
-
E.
isRailwayIn
Indicates that a railway is located within or passes through a specified geographic or administrative area.
- F. None of above.
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_69d8b915e3e881909125d760c15d0c29 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e50183394081909b86cefaaa0a3aa8 |
completed | April 19, 2026, 4:23 p.m. |
| PD | Predicate disambiguation | batch_69e44fdf43d08190bbcfb6b1fe3cc0ee |
completed | April 19, 2026, 3:45 a.m. |
Created at: April 10, 2026, 10:35 a.m.