Triple
T3192140
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Coimbra-B railway station |
E66846
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
Coimbra railway station
Coimbra railway station is a main passenger rail hub in the Portuguese city of Coimbra, serving regional and intercity train services and linking the city to the national rail network.
|
E66846
|
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: Coimbra railway station | Statement: [Coimbra-B railway station, connectsTo, Coimbra railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coimbra railway station Context triple: [Coimbra-B railway station, connectsTo, Coimbra railway station]
-
A.
Coimbra-B railway station
Coimbra-B railway station is a major Portuguese rail hub in the city of Coimbra, serving as a key interchange for long-distance and regional train services operated by Comboios de Portugal.
-
B.
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.
-
C.
Guimarães railway station
Guimarães railway station is a key passenger rail hub in northern Portugal serving the historic city of Guimarães with regional and intercity train connections.
-
D.
Braga railway station
Braga railway station is the main rail hub in the city of Braga, Portugal, serving as a northern terminus for high-speed and regional train services.
-
E.
Porto São Bento railway station
Porto São Bento railway station is a historic central train station in Porto, Portugal, renowned for its azulejo tile panels and role as a key hub for regional and commuter rail services.
- 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: Coimbra railway station Triple: [Coimbra-B railway station, connectsTo, Coimbra railway station]
Generated description
Coimbra railway station is a main passenger rail hub in the Portuguese city of Coimbra, serving regional and intercity train services and linking the city to the national rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Coimbra railway station Target entity description: Coimbra railway station is a main passenger rail hub in the Portuguese city of Coimbra, serving regional and intercity train services and linking the city to the national rail network.
-
A.
Coimbra-B railway station
chosen
Coimbra-B railway station is a major Portuguese rail hub in the city of Coimbra, serving as a key interchange for long-distance and regional train services operated by Comboios de Portugal.
-
B.
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.
-
C.
Guimarães railway station
Guimarães railway station is a key passenger rail hub in northern Portugal serving the historic city of Guimarães with regional and intercity train connections.
-
D.
Braga railway station
Braga railway station is the main rail hub in the city of Braga, Portugal, serving as a northern terminus for high-speed and regional train services.
-
E.
Porto São Bento railway station
Porto São Bento railway station is a historic central train station in Porto, Portugal, renowned for its azulejo tile panels and role as a key hub for regional and commuter rail services.
- F. None of above.
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_69b324ea81f4819080e836dccf8254d0 |
completed | March 12, 2026, 8:41 p.m. |
| NEDg | Description generation | batch_69b326960de48190abe69b3c140f4a4a |
completed | March 12, 2026, 8:48 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b327b13c9c8190b8c431ca2ae61ef9 |
completed | March 12, 2026, 8:53 p.m. |
Created at: March 8, 2026, 3:07 p.m.