Triple
T8923315
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Great Allegheny Passage |
E212477
|
entity |
| Predicate | usesFormerLineOf |
P32801
|
FINISHED |
| Object | Western Maryland Railway |
E63864
|
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: Western Maryland Railway | Statement: [Great Allegheny Passage, usesFormerLineOf, Western Maryland Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Western Maryland Railway Context triple: [Great Allegheny Passage, usesFormerLineOf, Western Maryland Railway]
-
A.
Western Maryland Railway
chosen
Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
-
B.
Walkersville Southern Railroad
Walkersville Southern Railroad is a heritage railway in Maryland that operates tourist and excursion trains over a restored former Pennsylvania Railroad line.
-
C.
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.
-
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.
Western Maryland Scenic Railroad
The Western Maryland Scenic Railroad is a heritage tourist railway in Maryland that operates vintage trains through the scenic Allegheny Mountains, preserving and showcasing regional rail history.
- 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: usesFormerLineOf Context triple: [Great Allegheny Passage, usesFormerLineOf, Western Maryland Railway]
-
A.
formerLine
chosen
Indicates that an entity previously served as a particular transit or service line but no longer does so.
-
B.
isOldestLineOf
Indicates that one line is the earliest or first-established among a set of related lines.
-
C.
formerLineName
Indicates that the object is a previous or former name by which the referenced line was known.
-
D.
cededFrom
Indicates that control, ownership, or sovereignty over something was transferred away from a source entity to another entity, typically through a formal or legal act of cession.
-
E.
wasPrecededBy
Indicates that one event, state, or entity occurred or existed earlier in time than another.
- 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_69ca839481d48190b42b037e0d0f636c |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc6652d63881908821c8735984322a |
completed | April 1, 2026, 12:26 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfba5480d48190bf126caaa882d39e |
completed | April 3, 2026, 1:02 p.m. |
| PD | Predicate disambiguation | batch_69cc5ed0ef3c81908cc69eac852ee12a |
completed | March 31, 2026, 11:54 p.m. |
Created at: March 30, 2026, 6:56 p.m.