Triple
T12403209
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 4A (Santiago Metro) |
E296313
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
Alstom AS-2002
The Alstom AS-2002 is a type of electric multiple unit metro train built by Alstom for use on Santiago Metro’s Line 4A in Chile.
|
E262773
|
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: Alstom AS-2002 | Statement: [Line 4A (Santiago Metro), usesRollingStock, Alstom AS-2002]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alstom AS-2002 Context triple: [Line 4A (Santiago Metro), usesRollingStock, Alstom AS-2002]
-
A.
Alstom Metropolis
Alstom Metropolis is a family of modern, high-capacity metro trains manufactured by Alstom and used in urban rapid transit systems worldwide.
-
B.
Siemens ACS-64
The Siemens ACS-64 is a high-speed, electric locomotive used by Amtrak for passenger rail service in the United States.
-
C.
Alstom Eurotram
The Alstom Eurotram is a distinctive low-floor light rail vehicle known for its sleek, modern design and panoramic windows, widely used on urban tram networks in Europe.
-
D.
Alstom Juniper
Alstom Juniper is a family of electric multiple unit trains built by Alstom for use on the British railway network.
-
E.
Alstom Coradia Minuetto
The Alstom Coradia Minuetto is a family of low-floor regional diesel and electric multiple-unit trains used for commuter and regional services, particularly in Italy.
- 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: Alstom AS-2002 Triple: [Line 4A (Santiago Metro), usesRollingStock, Alstom AS-2002]
Generated description
The Alstom AS-2002 is a type of electric multiple unit metro train built by Alstom for use on Santiago Metro’s Line 4A in Chile.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Alstom AS-2002 Target entity description: The Alstom AS-2002 is a type of electric multiple unit metro train built by Alstom for use on Santiago Metro’s Line 4A in Chile.
-
A.
Alstom Metropolis
chosen
Alstom Metropolis is a family of modern, high-capacity metro trains manufactured by Alstom and used in urban rapid transit systems worldwide.
-
B.
Siemens ACS-64
The Siemens ACS-64 is a high-speed, electric locomotive used by Amtrak for passenger rail service in the United States.
-
C.
Alstom Eurotram
The Alstom Eurotram is a distinctive low-floor light rail vehicle known for its sleek, modern design and panoramic windows, widely used on urban tram networks in Europe.
-
D.
Alstom Juniper
Alstom Juniper is a family of electric multiple unit trains built by Alstom for use on the British railway network.
-
E.
Alstom Coradia Minuetto
The Alstom Coradia Minuetto is a family of low-floor regional diesel and electric multiple-unit trains used for commuter and regional services, particularly in Italy.
- 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_69d6ad9f464c81909db36d7e96e34b9e |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d477004819095e65ef6f70c69d9 |
completed | April 10, 2026, 7:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f63efc0c7081909fe7d1818a081684 |
completed | May 2, 2026, 6:14 p.m. |
| NEDg | Description generation | batch_69f6412345ac8190826f4fecb8055fb5 |
completed | May 2, 2026, 6:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f64231606481909b8dd9d878670a6c |
completed | May 2, 2026, 6:28 p.m. |
Created at: April 8, 2026, 9:55 p.m.