Triple
T8518508
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Paris–Amsterdam |
E201635
|
entity |
| Predicate | primaryRollingStock |
P1305
|
FINISHED |
| Object | Eurostar PBKA trainsets |
E737790
|
NE FINISHED |
How this triple was built (2 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: Eurostar PBKA trainsets | Statement: [Paris–Amsterdam, primaryRollingStock, Eurostar PBKA trainsets]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eurostar PBKA trainsets Context triple: [Paris–Amsterdam, primaryRollingStock, Eurostar PBKA trainsets]
-
A.
Eurostar e320 trainsets
Eurostar e320 trainsets are high-speed electric multiple units built by Siemens for Eurostar’s cross-Channel services, offering faster, higher-capacity, and more modern trains on routes such as London–Paris.
-
B.
Eurostar e300 trainsets
chosen
Eurostar e300 trainsets are high-speed electric multiple units originally built as Class 373 trains to operate cross-Channel services through the Channel Tunnel between the UK and mainland Europe.
-
C.
Alstom Coradia Stream
The Alstom Coradia Stream is a family of modern, low-floor electric and diesel multiple-unit trains designed for regional and intercity services in Europe, known for high energy efficiency, modularity, and passenger comfort.
-
D.
X'Trapolis EMU
The X'Trapolis EMU is a modern electric multiple unit train used for suburban passenger services on Melbourne’s metropolitan rail network.
-
E.
Alstom Coradia Polyvalent
The Alstom Coradia Polyvalent is a family of modern regional and intercity multiple-unit trains designed for flexible operation, including electric and dual-mode configurations, widely used across France and other European countries.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca8321bb44819081b74df0b710276d |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe626787c819087e72dd76b2d9310 |
completed | March 31, 2026, 3:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cef30c02908190892234cab9a22ad4 |
completed | April 2, 2026, 10:51 p.m. |
Created at: March 30, 2026, 6:16 p.m.