Triple
T3192167
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Coimbra-B railway station |
E66846
|
entity |
| Predicate | hasGauge |
P391
|
FINISHED |
| Object | Iberian gauge |
E140896
|
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: Iberian gauge | Statement: [Coimbra-B railway station, hasGauge, Iberian gauge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Iberian gauge Context triple: [Coimbra-B railway station, hasGauge, Iberian gauge]
-
A.
Iberian gauge
chosen
Iberian gauge is a broad railway track gauge, wider than the international standard gauge, predominantly used on mainline railways in Spain and Portugal.
-
B.
Madrid–Barcelona railway
The Madrid–Barcelona railway is a major Spanish rail line linking the capital Madrid with the northeastern city of Barcelona, serving as one of the country’s principal passenger and freight corridors.
-
C.
Valença–Tui rail link
The Valença–Tui rail link is an international railway connection between Portugal and Spain, crossing the Minho River between the towns of Valença and Tui.
-
D.
Sistema Ibérico
Sistema Ibérico is a major mountain range in eastern Spain that separates the central plateau from the Mediterranean coastal regions.
-
E.
Algarve line
The Algarve line is a major railway route in southern Portugal that connects the region’s coastal towns and cities along the Algarve.
- 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_69ad8588ba18819086a10951c32ecb80 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada6e8e4b48190bc7c6443fc6da900 |
completed | March 8, 2026, 4:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24ba8a8b48190824dac45e37217cc |
completed | March 12, 2026, 5:14 a.m. |
Created at: March 8, 2026, 3:07 p.m.