Triple
T10451596
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hollidaysburg, Pennsylvania |
E246436
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Allegheny Portage Railroad (historical) |
E706921
|
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: Allegheny Portage Railroad (historical) | Statement: [Hollidaysburg, Pennsylvania, servedBy, Allegheny Portage Railroad (historical)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Allegheny Portage Railroad (historical) Context triple: [Hollidaysburg, Pennsylvania, servedBy, Allegheny Portage Railroad (historical)]
-
A.
Allegheny Portage Railroad
chosen
The Allegheny Portage Railroad was a 19th-century inclined-plane rail system that carried canal boats over the Allegheny Mountains, playing a key role in early transportation across Pennsylvania and now preserved as a National Historic Site.
-
B.
Durbin and Greenbrier Valley Railroad
The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
-
C.
Oil Creek and Titusville Railroad
The Oil Creek and Titusville Railroad is a heritage tourist railway in northwestern Pennsylvania that offers scenic excursions through the historic birthplace of the American oil industry.
-
D.
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.
-
E.
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.
- 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_69d381c04fe08190957c26c526a3b05a |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4fe0b7bb481908182c7b9a80af3b3 |
completed | April 7, 2026, 12:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d87efedf6c8190aa4b7bbe5f160eeb |
completed | April 10, 2026, 4:39 a.m. |
Created at: April 6, 2026, 12:17 p.m.