Triple
T11780423
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alaska Northern Railway |
E280131
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object |
Tanana Valley Railroad
The Tanana Valley Railroad was a narrow-gauge railway in interior Alaska that played a key role in the early development and transportation infrastructure of the Fairbanks region in the early 20th century.
|
E946220
|
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: Tanana Valley Railroad | Statement: [Alaska Northern Railway, precededBy, Tanana Valley Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tanana Valley Railroad Context triple: [Alaska Northern Railway, precededBy, Tanana Valley Railroad]
-
A.
Tonopah and Tidewater Railroad
The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
-
B.
Wallkill Valley Railroad
The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
-
C.
Pine Creek Railroad
Pine Creek Railroad is a historic narrow-gauge tourist railway in New Jersey that offers scenic train rides through Allaire State Park using vintage locomotives and rolling stock.
-
D.
Oregon Trunk Railway
The Oregon Trunk Railway was a historic railroad line in central Oregon that provided a key north–south route along the Deschutes River, later integrated into the regional network of the Spokane, Portland and Seattle Railway.
-
E.
Redwood Valley Railway
Redwood Valley Railway is a miniature live steam railroad in Tilden Regional Park that offers scenic train rides through the Berkeley Hills.
- 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: Tanana Valley Railroad Triple: [Alaska Northern Railway, precededBy, Tanana Valley Railroad]
Generated description
The Tanana Valley Railroad was a narrow-gauge railway in interior Alaska that played a key role in the early development and transportation infrastructure of the Fairbanks region in the early 20th century.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tanana Valley Railroad Target entity description: The Tanana Valley Railroad was a narrow-gauge railway in interior Alaska that played a key role in the early development and transportation infrastructure of the Fairbanks region in the early 20th century.
-
A.
Tonopah and Tidewater Railroad
The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
-
B.
Wallkill Valley Railroad
The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
-
C.
Pine Creek Railroad
Pine Creek Railroad is a historic narrow-gauge tourist railway in New Jersey that offers scenic train rides through Allaire State Park using vintage locomotives and rolling stock.
-
D.
Oregon Trunk Railway
The Oregon Trunk Railway was a historic railroad line in central Oregon that provided a key north–south route along the Deschutes River, later integrated into the regional network of the Spokane, Portland and Seattle Railway.
-
E.
Redwood Valley Railway
Redwood Valley Railway is a miniature live steam railroad in Tilden Regional Park that offers scenic train rides through the Berkeley Hills.
- 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_69d6ab01d2688190ad8ed6bda487eaa5 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a5623f708190a18aea570577a3f6 |
completed | April 10, 2026, 7:23 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f090c828f0819097662c048542b5da |
completed | April 28, 2026, 10:49 a.m. |
| NEDg | Description generation | batch_69f0bd3f39608190b29027b30664bd9c |
completed | April 28, 2026, 1:59 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f0ef5afd448190953b5d9929478132 |
completed | April 28, 2026, 5:33 p.m. |
Created at: April 8, 2026, 9:42 p.m.