Triple
T12677347
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Linha do Tua |
E302850
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Tua railway station
Tua railway station is a historic Portuguese railway terminus located at the confluence of the Tua and Douro rivers, known for serving as a gateway to the scenic Douro Valley region.
|
E996727
|
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: Tua railway station | Statement: [Linha do Tua, terminus, Tua railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tua railway station Context triple: [Linha do Tua, terminus, Tua railway station]
-
A.
Taumarunui railway station
Taumarunui railway station is a historic rail stop in New Zealand’s central North Island that once served as an important junction on the North Island Main Trunk line.
-
B.
Senaki railway station
Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
-
C.
Turgi railway station
Turgi railway station is a regional rail stop in the Swiss canton of Aargau, serving the municipality of Turgi on key routes connecting nearby towns and cities.
-
D.
Nantua railway station
Nantua railway station is a small regional train station serving the town of Nantua in the Ain department of eastern France.
-
E.
Tuni railway station
Tuni railway station is a key rail transit point serving the town of Tuni in Andhra Pradesh, India, connecting it to major cities and regional destinations.
- 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: Tua railway station Triple: [Linha do Tua, terminus, Tua railway station]
Generated description
Tua railway station is a historic Portuguese railway terminus located at the confluence of the Tua and Douro rivers, known for serving as a gateway to the scenic Douro Valley region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tua railway station Target entity description: Tua railway station is a historic Portuguese railway terminus located at the confluence of the Tua and Douro rivers, known for serving as a gateway to the scenic Douro Valley region.
-
A.
Taumarunui railway station
Taumarunui railway station is a historic rail stop in New Zealand’s central North Island that once served as an important junction on the North Island Main Trunk line.
-
B.
Senaki railway station
Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
-
C.
Turgi railway station
Turgi railway station is a regional rail stop in the Swiss canton of Aargau, serving the municipality of Turgi on key routes connecting nearby towns and cities.
-
D.
Nantua railway station
Nantua railway station is a small regional train station serving the town of Nantua in the Ain department of eastern France.
-
E.
Tuni railway station
Tuni railway station is a key rail transit point serving the town of Tuni in Andhra Pradesh, India, connecting it to major cities and regional destinations.
- 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_69d7bdee64a08190801c6d470aefd723 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d961b0d9c88190a05d6cbcb7a1642d |
completed | April 10, 2026, 8:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f671a341288190822fae2469efea09 |
completed | May 2, 2026, 9:50 p.m. |
| NEDg | Description generation | batch_69f672ac07908190bd2dfe90d55a13c1 |
completed | May 2, 2026, 9:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f67360b530819085d5db2aa0b7513d |
completed | May 2, 2026, 9:57 p.m. |
Created at: April 9, 2026, 5:20 p.m.