Triple
T5813242
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Western Pacific Railroad |
E128920
|
entity |
| Predicate | operatedSubsidiary |
P9212
|
FINISHED |
| Object |
Tidewater Southern Railway
Tidewater Southern Railway was a shortline railroad in California’s San Joaquin Valley that primarily handled agricultural and freight traffic and later became part of the Western Pacific Railroad system.
|
E547685
|
NE FINISHED |
How this triple was built (4 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: Tidewater Southern Railway | Statement: [Western Pacific Railroad, operatedSubsidiary, Tidewater Southern Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tidewater Southern Railway Context triple: [Western Pacific Railroad, operatedSubsidiary, Tidewater Southern Railway]
-
A.
Virginian Railway
The Virginian Railway was an early 20th-century American coal-hauling railroad that operated primarily in West Virginia and Virginia, renowned for its efficient, heavy-duty freight operations and later incorporation into the Norfolk and Western Railway.
-
B.
Washington and Old Dominion Railroad
The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
-
C.
Seaboard System Railroad
Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
-
D.
Seaboard Air Line Railroad
Seaboard Air Line Railroad was a major American railroad that operated in the southeastern United States, known for its prominent passenger services and streamlined trains.
-
E.
Norfolk and Western Railway
Norfolk and Western Railway was a major American railroad known for its coal-hauling operations and distinctive steam locomotive fleet, which later became part of Norfolk Southern Railway through merger.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Tidewater Southern Railway Triple: [Western Pacific Railroad, operatedSubsidiary, Tidewater Southern Railway]
Generated description
Tidewater Southern Railway was a shortline railroad in California’s San Joaquin Valley that primarily handled agricultural and freight traffic and later became part of the Western Pacific Railroad system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tidewater Southern Railway Target entity description: Tidewater Southern Railway was a shortline railroad in California’s San Joaquin Valley that primarily handled agricultural and freight traffic and later became part of the Western Pacific Railroad system.
-
A.
Virginian Railway
The Virginian Railway was an early 20th-century American coal-hauling railroad that operated primarily in West Virginia and Virginia, renowned for its efficient, heavy-duty freight operations and later incorporation into the Norfolk and Western Railway.
-
B.
Washington and Old Dominion Railroad
The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
-
C.
Seaboard System Railroad
Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
-
D.
Seaboard Air Line Railroad
Seaboard Air Line Railroad was a major American railroad that operated in the southeastern United States, known for its prominent passenger services and streamlined trains.
-
E.
Norfolk and Western Railway
Norfolk and Western Railway was a major American railroad known for its coal-hauling operations and distinctive steam locomotive fleet, which later became part of Norfolk Southern Railway through merger.
- F. None of above. chosen
Provenance (5 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_69c0084788848190bcf71f6bc5d71597 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02b56044c8190847478a342d441c2 |
completed | March 22, 2026, 5:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c09848dd148190aeea1b1d454b8da5 |
completed | March 23, 2026, 1:32 a.m. |
| NEDg | Description generation | batch_69c098ba92408190b61b115540fce941 |
completed | March 23, 2026, 1:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c099bd26fc8190a58bf483a6d4cbca |
completed | March 23, 2026, 1:39 a.m. |
Created at: March 22, 2026, 3:52 p.m.