Triple
T12752143
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vidin |
E304761
|
entity |
| Predicate | hasTransportInfrastructure |
P2560
|
FINISHED |
| Object |
Vidin–Calafat Bridge
The Vidin–Calafat Bridge is a combined road and rail bridge over the Danube River that connects the Bulgarian town of Vidin with the Romanian city of Calafat, serving as a key cross-border link between the two countries.
|
E1000840
|
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: Vidin–Calafat Bridge | Statement: [Vidin, hasTransportInfrastructure, Vidin–Calafat Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vidin–Calafat Bridge Context triple: [Vidin, hasTransportInfrastructure, Vidin–Calafat Bridge]
-
A.
Meriç Bridge
Meriç Bridge is a historic Ottoman-era stone bridge spanning the Maritsa (Meriç) River in Edirne, Turkey, known for its elegant arches and scenic views.
-
B.
Tunca Bridge
Tunca Bridge is a historic Ottoman-era stone bridge spanning the Tunca River in Edirne, Turkey.
-
C.
Byala Bridge
Byala Bridge is a historic 19th-century stone arch bridge in Bulgaria, renowned for its elegant architecture and engineering across the Yantra River.
-
D.
Stambolov Bridge
Stambolov Bridge is a prominent pedestrian bridge in Veliko Tarnovo, Bulgaria, known for its scenic views over the Yantra River and the historic town.
-
E.
Metekhi Bridge
Metekhi Bridge is a historic bridge in Tbilisi, Georgia, spanning the Kura River and connecting the old town area near the iconic Metekhi Church.
- 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: Vidin–Calafat Bridge Triple: [Vidin, hasTransportInfrastructure, Vidin–Calafat Bridge]
Generated description
The Vidin–Calafat Bridge is a combined road and rail bridge over the Danube River that connects the Bulgarian town of Vidin with the Romanian city of Calafat, serving as a key cross-border link between the two countries.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Vidin–Calafat Bridge Target entity description: The Vidin–Calafat Bridge is a combined road and rail bridge over the Danube River that connects the Bulgarian town of Vidin with the Romanian city of Calafat, serving as a key cross-border link between the two countries.
-
A.
Meriç Bridge
Meriç Bridge is a historic Ottoman-era stone bridge spanning the Maritsa (Meriç) River in Edirne, Turkey, known for its elegant arches and scenic views.
-
B.
Tunca Bridge
Tunca Bridge is a historic Ottoman-era stone bridge spanning the Tunca River in Edirne, Turkey.
-
C.
Byala Bridge
Byala Bridge is a historic 19th-century stone arch bridge in Bulgaria, renowned for its elegant architecture and engineering across the Yantra River.
-
D.
Stambolov Bridge
Stambolov Bridge is a prominent pedestrian bridge in Veliko Tarnovo, Bulgaria, known for its scenic views over the Yantra River and the historic town.
-
E.
Metekhi Bridge
Metekhi Bridge is a historic bridge in Tbilisi, Georgia, spanning the Kura River and connecting the old town area near the iconic Metekhi Church.
- 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_69d7bdf1fcd081909ffb0e0d6fa3a07d |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96bd9555081908b0d027bc332b468 |
completed | April 10, 2026, 9:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f67c98816881909dacdd4f0e2b89c4 |
completed | May 2, 2026, 10:37 p.m. |
| NEDg | Description generation | batch_69f67e7416948190a08eb3de840def77 |
completed | May 2, 2026, 10:45 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f67f7d237081908d3b6e8d759ea03e |
completed | May 2, 2026, 10:49 p.m. |
Created at: April 9, 2026, 5:27 p.m.