Triple
T7605934
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Cascades |
E180103
|
entity |
| Predicate | usesRollingStockType |
P1305
|
FINISHED |
| Object |
Talgo trainsets
Talgo trainsets are lightweight, articulated passenger trains known for their tilting technology that allows higher speeds on curving tracks, widely used in various intercity rail services.
|
E222797
|
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: Talgo trainsets | Statement: [Amtrak Cascades, usesRollingStockType, Talgo trainsets]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Talgo trainsets Context triple: [Amtrak Cascades, usesRollingStockType, Talgo trainsets]
-
A.
Talgo 350
The Talgo 350 is a high-speed electric train developed by Spanish manufacturer Talgo, designed for very fast intercity services and widely used on premium high-speed rail lines.
-
B.
Renfe Class Civia
Renfe Class Civia is a family of electric multiple unit commuter trains operated by Spain’s national railway company for suburban and regional passenger services.
-
C.
Renfe 447 series
The Renfe 447 series is a class of electric multiple unit commuter trains widely used across Spain’s suburban rail networks.
-
D.
Renfe 446 series
The Renfe 446 series is a class of electric multiple unit commuter trains used extensively in Spain’s Cercanías suburban rail services.
-
E.
Renfe Alvia
Renfe Alvia is a Spanish long-distance high-speed train service operated by Renfe that combines standard and variable-gauge rolling stock to connect major cities across both high-speed and conventional rail lines.
- 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: Talgo trainsets Triple: [Amtrak Cascades, usesRollingStockType, Talgo trainsets]
Generated description
Talgo trainsets are lightweight, articulated passenger trains known for their tilting technology that allows higher speeds on curving tracks, widely used in various intercity rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Talgo trainsets Target entity description: Talgo trainsets are lightweight, articulated passenger trains known for their tilting technology that allows higher speeds on curving tracks, widely used in various intercity rail services.
-
A.
Talgo 350
chosen
The Talgo 350 is a high-speed electric train developed by Spanish manufacturer Talgo, designed for very fast intercity services and widely used on premium high-speed rail lines.
-
B.
Renfe Class Civia
Renfe Class Civia is a family of electric multiple unit commuter trains operated by Spain’s national railway company for suburban and regional passenger services.
-
C.
Renfe 447 series
The Renfe 447 series is a class of electric multiple unit commuter trains widely used across Spain’s suburban rail networks.
-
D.
Renfe 446 series
The Renfe 446 series is a class of electric multiple unit commuter trains used extensively in Spain’s Cercanías suburban rail services.
-
E.
Renfe Alvia
Renfe Alvia is a Spanish long-distance high-speed train service operated by Renfe that combines standard and variable-gauge rolling stock to connect major cities across both high-speed and conventional rail lines.
- F. None of above.
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_69c69f3567008190ab01d2ca7b53584a |
completed | March 27, 2026, 3:16 p.m. |
| NER | Named-entity recognition | batch_69c6f9fcfcfc8190a29a0b5cd3e8927a |
completed | March 27, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c86853e1fc8190b16cdf779057c804 |
completed | March 28, 2026, 11:46 p.m. |
| NEDg | Description generation | batch_69c868fb7fe48190a1b7ab0e824e2984 |
completed | March 28, 2026, 11:49 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c8697782d48190a6830f91800d3505 |
completed | March 28, 2026, 11:51 p.m. |
Created at: March 27, 2026, 3:54 p.m.