Triple
T7429179
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | AC-11 |
E171444
|
entity |
| Predicate | fleetNumbers |
P44071
|
FINISHED |
| Object |
SP 4245
SP 4245 is a Southern Pacific Railroad EMD AC-11 class articulated steam locomotive, part of a series of powerful cab-forward engines used primarily for heavy freight service over mountainous routes.
|
E662829
|
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: SP 4245 | Statement: [AC-11, fleetNumbers, SP 4245]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SP 4245 Context triple: [AC-11, fleetNumbers, SP 4245]
-
A.
SR 427
SR 427 is a Nevada state highway that serves as a connector route in the western part of the state, linking local communities and major roadways.
-
B.
S-44
S-44 is an International Hydrographic Organization standard that defines the accuracy and quality requirements for hydrographic surveys used in nautical charting and marine navigation.
-
C.
S42 line
The S42 line is a regional commuter rail service within the Zürich S-Bahn network, connecting suburban areas with the greater Zürich metropolitan region.
-
D.
S45 line
The S45 line is a Berlin S-Bahn route that connects the city's southeastern districts, including the airport area, with the wider urban rail network.
-
E.
FR-42
FR-42 is the ISO 3166-2 code designating the Loire department in central-eastern France.
- 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: SP 4245 Triple: [AC-11, fleetNumbers, SP 4245]
Generated description
SP 4245 is a Southern Pacific Railroad EMD AC-11 class articulated steam locomotive, part of a series of powerful cab-forward engines used primarily for heavy freight service over mountainous routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SP 4245 Target entity description: SP 4245 is a Southern Pacific Railroad EMD AC-11 class articulated steam locomotive, part of a series of powerful cab-forward engines used primarily for heavy freight service over mountainous routes.
-
A.
SR 427
SR 427 is a Nevada state highway that serves as a connector route in the western part of the state, linking local communities and major roadways.
-
B.
S-44
S-44 is an International Hydrographic Organization standard that defines the accuracy and quality requirements for hydrographic surveys used in nautical charting and marine navigation.
-
C.
S42 line
The S42 line is a regional commuter rail service within the Zürich S-Bahn network, connecting suburban areas with the greater Zürich metropolitan region.
-
D.
S45 line
The S45 line is a Berlin S-Bahn route that connects the city's southeastern districts, including the airport area, with the wider urban rail network.
-
E.
FR-42
FR-42 is the ISO 3166-2 code designating the Loire department in central-eastern France.
- 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_69c68a63491881909281f73d4d5643bf |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f3082f188190af5673d18ac7e87e |
completed | March 27, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c81f135a348190ae9edc02a19b2278 |
completed | March 28, 2026, 6:33 p.m. |
| NEDg | Description generation | batch_69c81fffd8c0819080baa0bce5351111 |
completed | March 28, 2026, 6:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c820a90ae08190b7872bc44085f4a3 |
completed | March 28, 2026, 6:40 p.m. |
Created at: March 27, 2026, 3:12 p.m.