Triple
T10749361
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gladstone Branch |
E253532
|
entity |
| Predicate | ownerPreviously |
P59297
|
FINISHED |
| Object | Delaware, Lackawanna and Western Railroad |
E592032
|
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: Delaware, Lackawanna and Western Railroad | Statement: [Gladstone Branch, ownerPreviously, Delaware, Lackawanna and Western Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Delaware, Lackawanna and Western Railroad Context triple: [Gladstone Branch, ownerPreviously, Delaware, Lackawanna and Western Railroad]
-
A.
Delaware, Lackawanna and Western Railroad
chosen
The Delaware, Lackawanna and Western Railroad was a major northeastern U.S. railroad known for its anthracite coal traffic and passenger services, which later became part of the Erie Lackawanna Railway.
-
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.
Erie Lackawanna Railway
Erie Lackawanna Railway was a mid-20th-century U.S. railroad formed from the merger of the Erie Railroad and the Delaware, Lackawanna and Western Railroad, known for serving the Northeast and Midwest before its assets were absorbed into Conrail.
-
D.
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.
-
E.
Ulster and Delaware Railroad
The Ulster and Delaware Railroad was a historic rail line in New York State that connected the Hudson River with the Catskill Mountains, playing a key role in the region’s tourism and economic development in the late 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_69d6aa5e51e8819095f06881cecf152e |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d71dbecd58819081e859ebf72f656c |
completed | April 9, 2026, 3:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69de55a12b8c8190bbeeb6d176f42b49 |
completed | April 14, 2026, 2:56 p.m. |
Created at: April 8, 2026, 9:15 p.m.