Triple
T3192139
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Coimbra-B railway station |
E66846
|
entity |
| Predicate | hasFormerName |
P65
|
FINISHED |
| Object |
Taveiro station
Taveiro station is a former name for the Coimbra-B railway station, a key rail hub serving the city of Coimbra in central Portugal.
|
E348365
|
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: Taveiro station | Statement: [Coimbra-B railway station, hasFormerName, Taveiro station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Taveiro station Context triple: [Coimbra-B railway station, hasFormerName, Taveiro station]
-
A.
Marco de Canaveses railway station
Marco de Canaveses railway station is a railway terminus in northern Portugal that serves the town of Marco de Canaveses and connects it to the Porto suburban rail network.
-
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.
Barreiro railway station
Barreiro railway station is a key Portuguese rail hub near Lisbon that historically served as the main terminus for southern railway services and a major connection point for routes crossing the Tagus River.
-
D.
Aveiro railway station
Aveiro railway station is a key railway hub in the city of Aveiro, Portugal, known for its regional and intercity connections and distinctive azulejo-tiled architecture.
-
E.
Tavira railway station
Tavira railway station is a regional train station in the town of Tavira, Portugal, serving passengers on the country’s southern Algarve railway corridor.
- 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: Taveiro station Triple: [Coimbra-B railway station, hasFormerName, Taveiro station]
Generated description
Taveiro station is a former name for the Coimbra-B railway station, a key rail hub serving the city of Coimbra in central Portugal.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Taveiro station Target entity description: Taveiro station is a former name for the Coimbra-B railway station, a key rail hub serving the city of Coimbra in central Portugal.
-
A.
Marco de Canaveses railway station
Marco de Canaveses railway station is a railway terminus in northern Portugal that serves the town of Marco de Canaveses and connects it to the Porto suburban rail network.
-
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.
Barreiro railway station
Barreiro railway station is a key Portuguese rail hub near Lisbon that historically served as the main terminus for southern railway services and a major connection point for routes crossing the Tagus River.
-
D.
Aveiro railway station
Aveiro railway station is a key railway hub in the city of Aveiro, Portugal, known for its regional and intercity connections and distinctive azulejo-tiled architecture.
-
E.
Tavira railway station
Tavira railway station is a regional train station in the town of Tavira, Portugal, serving passengers on the country’s southern Algarve railway corridor.
- 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_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_69b31a63fb6081909a7a15cf8a03e52e |
completed | March 12, 2026, 7:56 p.m. |
| NEDg | Description generation | batch_69b31c33fc3c8190b5af3f38206736de |
completed | March 12, 2026, 8:04 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b31c9f48788190bdf4b4ce47e1e5b5 |
completed | March 12, 2026, 8:05 p.m. |
Created at: March 8, 2026, 3:07 p.m.