Triple
T14986449
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Santa Susana Pass |
E373713
|
entity |
| Predicate | nearbyRailFeature |
P25143
|
FINISHED |
| Object |
Santa Susana Tunnel
The Santa Susana Tunnel is a historic railroad tunnel in Southern California that carries trains through the Santa Susana Mountains between the San Fernando Valley and Simi Valley.
|
E1129491
|
NE FINISHED |
How this triple was built (5 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: Santa Susana Tunnel | Statement: [Santa Susana Pass, nearbyRailFeature, Santa Susana Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Santa Susana Tunnel Context triple: [Santa Susana Pass, nearbyRailFeature, Santa Susana Tunnel]
-
A.
San Bernardino Tunnel
The San Bernardino Tunnel is a major road tunnel in the Swiss Alps that provides a key north–south transit route between German-speaking and Italian-speaking Switzerland.
-
B.
Tehachapi Crossing tunnels
The Tehachapi Crossing tunnels are a series of large water conveyance tunnels that carry California Aqueduct flows beneath the Tehachapi Mountains as part of the State Water Project.
-
C.
H-3 freeway tunnels
The H-3 freeway tunnels are major highway tunnels in Hawaii that bore through the Koʻolau Range on Oʻahu, connecting Honolulu’s windward and leeward sides.
-
D.
Sutro Tunnel
The Sutro Tunnel is a historic drainage and access tunnel driven into Nevada’s Comstock Lode in the 19th century to improve mine safety and operations.
-
E.
Santa Susana Pass
Santa Susana Pass is a historic mountain pass in Southern California that serves as a key transportation corridor between the San Fernando Valley and Simi Valley.
- 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: Santa Susana Tunnel Triple: [Santa Susana Pass, nearbyRailFeature, Santa Susana Tunnel]
Generated description
The Santa Susana Tunnel is a historic railroad tunnel in Southern California that carries trains through the Santa Susana Mountains between the San Fernando Valley and Simi Valley.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Santa Susana Tunnel Target entity description: The Santa Susana Tunnel is a historic railroad tunnel in Southern California that carries trains through the Santa Susana Mountains between the San Fernando Valley and Simi Valley.
-
A.
San Bernardino Tunnel
The San Bernardino Tunnel is a major road tunnel in the Swiss Alps that provides a key north–south transit route between German-speaking and Italian-speaking Switzerland.
-
B.
Tehachapi Crossing tunnels
The Tehachapi Crossing tunnels are a series of large water conveyance tunnels that carry California Aqueduct flows beneath the Tehachapi Mountains as part of the State Water Project.
-
C.
H-3 freeway tunnels
The H-3 freeway tunnels are major highway tunnels in Hawaii that bore through the Koʻolau Range on Oʻahu, connecting Honolulu’s windward and leeward sides.
-
D.
Sutro Tunnel
The Sutro Tunnel is a historic drainage and access tunnel driven into Nevada’s Comstock Lode in the 19th century to improve mine safety and operations.
-
E.
Santa Susana Pass
Santa Susana Pass is a historic mountain pass in Southern California that serves as a key transportation corridor between the San Fernando Valley and Simi Valley.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: nearbyRailFeature Context triple: [Santa Susana Pass, nearbyRailFeature, Santa Susana Tunnel]
-
A.
hasNearbyRailway
chosen
Indicates that one entity is located close to a railway associated with or relevant to another entity.
-
B.
nearestRailwayLine
Indicates that one railway line is the closest in distance to a given location or feature compared to all other railway lines.
-
C.
nearestRailwayTerminus
Indicates that one location is the closest railway terminus to another specified place.
-
D.
nearestPassengerRailStation
Indicates that one entity is the closest passenger rail station in distance to another entity.
-
E.
hasNearbyRailwayStation
Indicates that a railway station is located within a short or convenient distance from the referenced entity.
- F. None of above.
Provenance (6 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_69d85ccc84388190aa151e5173370c8d |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded7007588819095bb1de029a6f2eb |
completed | April 15, 2026, 12:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe8c036bfc8190b01bf2128403f557 |
completed | May 9, 2026, 1:21 a.m. |
| NEDg | Description generation | batch_69fe8dc977448190a01c55d99d4d9034 |
completed | May 9, 2026, 1:28 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe8e9e62a4819089b3568d277d5262 |
completed | May 9, 2026, 1:32 a.m. |
| PD | Predicate disambiguation | batch_69de9a6169b48190a679609febd2d0e3 |
completed | April 14, 2026, 7:49 p.m. |
Created at: April 10, 2026, 2:52 a.m.