Triple
T7211931
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Čukarica |
E149423
|
entity |
| Predicate | hasTransport |
P1298
|
FINISHED |
| Object |
Belgrade suburban railway (BG Voz)
Belgrade suburban railway (BG Voz) is an urban rail system serving Belgrade and its surrounding municipalities, providing frequent commuter connections across the metropolitan area.
|
E648973
|
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: Belgrade suburban railway (BG Voz) | Statement: [Čukarica, hasTransport, Belgrade suburban railway (BG Voz)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Belgrade suburban railway (BG Voz) Context triple: [Čukarica, hasTransport, Belgrade suburban railway (BG Voz)]
-
A.
Belgrade–Bar railway
The Belgrade–Bar railway is a major international rail line connecting Serbia’s capital Belgrade with the Montenegrin Adriatic port of Bar, renowned for its mountainous route and numerous bridges and tunnels.
-
B.
İZBAN commuter rail
İZBAN commuter rail is a major suburban rail system serving the İzmir metropolitan area in Turkey, providing high-capacity, rapid transit along the city’s north–south axis.
-
C.
Titograd–Nikšić railway line
The Titograd–Nikšić railway line is a Montenegrin rail route connecting the capital Podgorica (formerly Titograd) with the industrial city of Nikšić.
-
D.
Sarajevo tram system
The Sarajevo tram system is a historic urban light rail network in Bosnia and Herzegovina’s capital, known as one of the oldest electric tram systems in Europe and a key component of the city’s public transport.
-
E.
Sarajevo Trolleybus
Sarajevo Trolleybus is an electric trolleybus network serving urban public transport needs in and around the city of Sarajevo, Bosnia and Herzegovina.
- 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: Belgrade suburban railway (BG Voz) Triple: [Čukarica, hasTransport, Belgrade suburban railway (BG Voz)]
Generated description
Belgrade suburban railway (BG Voz) is an urban rail system serving Belgrade and its surrounding municipalities, providing frequent commuter connections across the metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Belgrade suburban railway (BG Voz) Target entity description: Belgrade suburban railway (BG Voz) is an urban rail system serving Belgrade and its surrounding municipalities, providing frequent commuter connections across the metropolitan area.
-
A.
Belgrade–Bar railway
The Belgrade–Bar railway is a major international rail line connecting Serbia’s capital Belgrade with the Montenegrin Adriatic port of Bar, renowned for its mountainous route and numerous bridges and tunnels.
-
B.
İZBAN commuter rail
İZBAN commuter rail is a major suburban rail system serving the İzmir metropolitan area in Turkey, providing high-capacity, rapid transit along the city’s north–south axis.
-
C.
Titograd–Nikšić railway line
The Titograd–Nikšić railway line is a Montenegrin rail route connecting the capital Podgorica (formerly Titograd) with the industrial city of Nikšić.
-
D.
Sarajevo tram system
The Sarajevo tram system is a historic urban light rail network in Bosnia and Herzegovina’s capital, known as one of the oldest electric tram systems in Europe and a key component of the city’s public transport.
-
E.
Sarajevo Trolleybus
Sarajevo Trolleybus is an electric trolleybus network serving urban public transport needs in and around the city of Sarajevo, Bosnia and Herzegovina.
- 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_69c687eca814819095abb52316b1af80 |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6e96f99088190a085476bcfca26fd |
completed | March 27, 2026, 8:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7bfcec3448190ab29c3742aa167ae |
completed | March 28, 2026, 11:47 a.m. |
| NEDg | Description generation | batch_69c7c05a1f548190914a9b2ba98cbef2 |
completed | March 28, 2026, 11:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7c0e6b508819093092e3516a9ec46 |
completed | March 28, 2026, 11:52 a.m. |
Created at: March 27, 2026, 2:53 p.m.