Triple
T504382
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Comboios de Portugal |
E10469
|
entity |
| Predicate | hasMainHub |
P2958
|
FINISHED |
| Object |
Porto Campanhã railway station
Porto Campanhã railway station is the main intercity and regional rail hub in Porto, Portugal, serving as a key gateway for national and international train connections.
|
E66592
|
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: Porto Campanhã railway station | Statement: [Comboios de Portugal, hasMainHub, Porto Campanhã railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Porto Campanhã railway station Context triple: [Comboios de Portugal, hasMainHub, Porto Campanhã railway station]
-
A.
Portimão railway station
Portimão railway station is a regional rail station in the coastal city of Portimão in Portugal, serving as a key passenger stop in the Algarve region.
-
B.
Albufeira-Ferreiras station
Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
-
C.
Lisbon Santa Apolónia railway station
Lisbon Santa Apolónia railway station is one of Lisbon’s principal long-distance and international train terminals, serving as a key rail gateway for passengers traveling across Portugal and beyond.
-
D.
Lisbon Oriente railway station
Lisbon Oriente railway station is a major modern transport hub in Lisbon, Portugal, known for its striking contemporary architecture and role as a key national and international rail interchange.
-
E.
Vila Real de Santo António railway station
Vila Real de Santo António railway station is a Portuguese rail terminus in the town of Vila Real de Santo António, serving as the eastern endpoint of train services in the Algarve region.
- 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: Porto Campanhã railway station Triple: [Comboios de Portugal, hasMainHub, Porto Campanhã railway station]
Generated description
Porto Campanhã railway station is the main intercity and regional rail hub in Porto, Portugal, serving as a key gateway for national and international train connections.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Porto Campanhã railway station Target entity description: Porto Campanhã railway station is the main intercity and regional rail hub in Porto, Portugal, serving as a key gateway for national and international train connections.
-
A.
Portimão railway station
Portimão railway station is a regional rail station in the coastal city of Portimão in Portugal, serving as a key passenger stop in the Algarve region.
-
B.
Albufeira-Ferreiras station
Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
-
C.
Lisbon Santa Apolónia railway station
Lisbon Santa Apolónia railway station is one of Lisbon’s principal long-distance and international train terminals, serving as a key rail gateway for passengers traveling across Portugal and beyond.
-
D.
Lisbon Oriente railway station
Lisbon Oriente railway station is a major modern transport hub in Lisbon, Portugal, known for its striking contemporary architecture and role as a key national and international rail interchange.
-
E.
Vila Real de Santo António railway station
Vila Real de Santo António railway station is a Portuguese rail terminus in the town of Vila Real de Santo António, serving as the eastern endpoint of train services in the Algarve region.
- 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f149bd1c81908ff58ac504ace2bf |
completed | Feb. 28, 2026, 1:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4b8a96a188190b7a6be463de3d736 |
completed | March 1, 2026, 10:07 p.m. |
| NEDg | Description generation | batch_69a4baa85b9881908f0a9373f06ed748 |
completed | March 1, 2026, 10:16 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4bb9d75288190b8c68db7bfe59c1d |
completed | March 1, 2026, 10:20 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.