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.