Triple
T21306669
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bologna–Ferrara railway |
E525215
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object | Bologna railway junction |
E123520
|
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: Bologna railway junction | Statement: [Bologna–Ferrara railway, connects, Bologna railway junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bologna railway junction Context triple: [Bologna–Ferrara railway, connects, Bologna railway junction]
-
A.
Bologna Centrale railway station
chosen
Bologna Centrale railway station is the main railway hub of Bologna and one of Italy’s busiest and most important train stations, serving as a key junction for high-speed and regional rail services.
-
B.
Modena railway station
Modena railway station is the main rail transport hub for the city of Modena in northern Italy, connecting it to regional and national rail networks.
-
C.
Ravenna railway station
Ravenna railway station is a key rail hub in the city of Ravenna, Italy, providing regional and intercity connections across the Emilia-Romagna region and beyond.
-
D.
Reggio Emilia railway station
Reggio Emilia railway station is a key regional rail hub in northern Italy that connects the city of Reggio Emilia to major national routes and surrounding local destinations.
-
E.
Piacenza railway station
Piacenza railway station is a major rail hub in northern Italy that serves the city of Piacenza with regional and long-distance train connections.
- 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_69e0b518b8948190ad69cf9a8784d397 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e75aa69b40819081e74c042e7cd105 |
completed | April 21, 2026, 11:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a099ed5c7008190aa5696191389ed59 |
completed | May 17, 2026, 10:56 a.m. |
Created at: April 16, 2026, 4:05 p.m.