Triple
T15258004
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Trenitalia |
E364696
|
entity |
| Predicate | fleet |
P6198
|
FINISHED |
| Object |
ETR 600
The ETR 600 is a class of Italian high-speed tilting electric multiple unit trains used for fast intercity and international services.
|
E1148542
|
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: ETR 600 | Statement: [Trenitalia, fleet, ETR 600]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ETR 600 Context triple: [Trenitalia, fleet, ETR 600]
-
A.
ETR 500
ETR 500 is Italy’s high-speed electric train series designed for fast intercity services on the country’s dedicated high-speed rail network.
-
B.
EMD 645 series
The EMD 645 series is a family of two-stroke diesel locomotive engines widely used in North American freight and passenger locomotives from the 1960s onward.
-
C.
CP Class 5600 electric locomotive
The CP Class 5600 is a series of high-powered Portuguese electric locomotives used primarily for fast passenger services on the national rail network.
-
D.
CP Class 2600 electric locomotive
The CP Class 2600 is a series of Portuguese electric locomotives used primarily for mainline passenger services on the national rail network.
-
E.
Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
- 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: ETR 600 Triple: [Trenitalia, fleet, ETR 600]
Generated description
The ETR 600 is a class of Italian high-speed tilting electric multiple unit trains used for fast intercity and international services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ETR 600 Target entity description: The ETR 600 is a class of Italian high-speed tilting electric multiple unit trains used for fast intercity and international services.
-
A.
ETR 500
ETR 500 is Italy’s high-speed electric train series designed for fast intercity services on the country’s dedicated high-speed rail network.
-
B.
EMD 645 series
The EMD 645 series is a family of two-stroke diesel locomotive engines widely used in North American freight and passenger locomotives from the 1960s onward.
-
C.
CP Class 5600 electric locomotive
The CP Class 5600 is a series of high-powered Portuguese electric locomotives used primarily for fast passenger services on the national rail network.
-
D.
CP Class 2600 electric locomotive
The CP Class 2600 is a series of Portuguese electric locomotives used primarily for mainline passenger services on the national rail network.
-
E.
Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
- 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_69d85a0f08408190b3c3259ae35d79d2 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e0084d11148190919eef8e55569bb9 |
completed | April 15, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69feef6def4c8190b6aed1f68d336c5a |
completed | May 9, 2026, 8:25 a.m. |
| NEDg | Description generation | batch_69fef18ce14c8190887ec683b0adfc26 |
completed | May 9, 2026, 8:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fef2c0e5a88190b8d4212c90eaa10f |
completed | May 9, 2026, 8:39 a.m. |
Created at: April 10, 2026, 3:13 a.m.