Triple
T3181317
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porto Campanhã railway station |
E66592
|
entity |
| Predicate | servesTrainType |
P21523
|
FINISHED |
| Object | Alfa Pendular high-speed services |
E285808
|
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: Alfa Pendular high-speed services | Statement: [Porto Campanhã railway station, servesTrainType, Alfa Pendular high-speed services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alfa Pendular high-speed services Context triple: [Porto Campanhã railway station, servesTrainType, Alfa Pendular high-speed services]
-
A.
CP Alfa Pendular
chosen
CP Alfa Pendular is Portugal’s high-speed tilting train service operated by Comboios de Portugal, connecting major cities such as Lisbon, Porto, and Faro.
-
B.
Leonardo Express train
The Leonardo Express train is a dedicated non-stop rail service linking central Rome’s Termini station with Fiumicino Airport, providing a fast and frequent airport transfer for travelers.
-
C.
InterCity
InterCity is a category of long-distance passenger trains in several European countries, notably providing fast, regular intercity rail services.
-
D.
Mediterranean high-speed line
The Mediterranean high-speed line is a French high-speed railway corridor that extends the TGV network from the Rhône Valley toward the Mediterranean coast, significantly reducing travel times to cities like Marseille.
-
E.
Voyager trains
Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
- 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_69ad8587c1bc8190a2595f2c22ee1001 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada6a1280c8190b59a2afd30312c02 |
completed | March 8, 2026, 4:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24b777fe881909764e2f2cdb68479 |
completed | March 12, 2026, 5:13 a.m. |
Created at: March 8, 2026, 3:06 p.m.