Triple
T13281105
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cagliari railway station |
E316321
|
entity |
| Predicate | terminusOf |
P3375
|
FINISHED |
| Object |
Cagliari–Iglesias railway
The Cagliari–Iglesias railway is a main regional rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the southwestern town of Iglesias.
|
E1034190
|
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: Cagliari–Iglesias railway | Statement: [Cagliari railway station, terminusOf, Cagliari–Iglesias railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cagliari–Iglesias railway Context triple: [Cagliari railway station, terminusOf, Cagliari–Iglesias railway]
-
A.
Cagliari–Golfo Aranci railway
The Cagliari–Golfo Aranci railway is a major rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the northeastern coastal area near Olbia and the port of Golfo Aranci.
-
B.
Palermo–Trapani railway
The Palermo–Trapani railway is a regional rail line in Sicily that connects the city of Palermo with the western coastal city of Trapani, serving several intermediate towns along the route.
-
C.
Palermo–Messina railway
The Palermo–Messina railway is a major rail line in northern Sicily that connects the regional capital Palermo with the important port city of Messina along the island’s northern coast.
-
D.
Bari–Taranto railway
The Bari–Taranto railway is a major rail line in southern Italy that links the Adriatic coastal city of Bari with the Ionian port city of Taranto, serving as an important regional transport corridor in Apulia.
-
E.
Catania–Palermo railway
The Catania–Palermo railway is a major rail line in Sicily that connects the island’s two largest cities, Catania and Palermo, crossing its mountainous interior.
- 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: Cagliari–Iglesias railway Triple: [Cagliari railway station, terminusOf, Cagliari–Iglesias railway]
Generated description
The Cagliari–Iglesias railway is a main regional rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the southwestern town of Iglesias.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cagliari–Iglesias railway Target entity description: The Cagliari–Iglesias railway is a main regional rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the southwestern town of Iglesias.
-
A.
Cagliari–Golfo Aranci railway
The Cagliari–Golfo Aranci railway is a major rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the northeastern coastal area near Olbia and the port of Golfo Aranci.
-
B.
Palermo–Trapani railway
The Palermo–Trapani railway is a regional rail line in Sicily that connects the city of Palermo with the western coastal city of Trapani, serving several intermediate towns along the route.
-
C.
Palermo–Messina railway
The Palermo–Messina railway is a major rail line in northern Sicily that connects the regional capital Palermo with the important port city of Messina along the island’s northern coast.
-
D.
Bari–Taranto railway
The Bari–Taranto railway is a major rail line in southern Italy that links the Adriatic coastal city of Bari with the Ionian port city of Taranto, serving as an important regional transport corridor in Apulia.
-
E.
Catania–Palermo railway
The Catania–Palermo railway is a major rail line in Sicily that connects the island’s two largest cities, Catania and Palermo, crossing its mountainous interior.
- 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_69d806b349908190a9a61dd9323bf153 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d9904507588190a303686d176ec3e1 |
completed | April 11, 2026, 12:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f71f20d7188190bb8643a7e17aba5c |
completed | May 3, 2026, 10:10 a.m. |
| NEDg | Description generation | batch_69f71fe2c128819096cc31c9cbb739b5 |
completed | May 3, 2026, 10:13 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f7208d47388190b1b51f346b0d1423 |
completed | May 3, 2026, 10:16 a.m. |
Created at: April 9, 2026, 9:27 p.m.