Triple

T983304
Position Surface form Disambiguated ID Type / Status
Subject Blagoevgrad E21220 entity
Predicate hasRailwayConnection P13914 FINISHED
Object Sofia–Kulata railway line
The Sofia–Kulata railway line is a major rail route in southwestern Bulgaria that connects the capital Sofia with the Greek border near Kulata, serving as an important international transport corridor.
E116198 NE FINISHED

How this triple was built (5 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: Sofia–Kulata railway line | Statement: [Blagoevgrad, hasRailwayConnection, Sofia–Kulata railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sofia–Kulata railway line
Context triple: [Blagoevgrad, hasRailwayConnection, Sofia–Kulata railway line]
  • A. Tbilisi–Poti railway line
    The Tbilisi–Poti railway line is a major rail route in Georgia that connects the capital city Tbilisi with the Black Sea port of Poti, serving as a key corridor for both passenger and freight transport.
  • B. Vienna–Budapest railway line
    The Vienna–Budapest railway line is a major international rail route connecting the capitals of Austria and Hungary and forming a key part of Central Europe’s transport network.
  • C. Moscow–Saint Petersburg railway
    The Moscow–Saint Petersburg railway is a major high-speed and conventional rail corridor linking Russia’s two largest cities and serving as one of the country’s most important transportation arteries.
  • D. Butovskaya Line
    The Butovskaya Line is a light metro line in the Moscow Metro system serving the Butovo district in the city’s south.
  • E. Sevastopol–Yalta highway
    The Sevastopol–Yalta highway is a major coastal road in Crimea that links the port city of Sevastopol with the resort city of Yalta along the region’s southern shore.
  • 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: Sofia–Kulata railway line
Triple: [Blagoevgrad, hasRailwayConnection, Sofia–Kulata railway line]
Generated description
The Sofia–Kulata railway line is a major rail route in southwestern Bulgaria that connects the capital Sofia with the Greek border near Kulata, serving as an important international transport corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sofia–Kulata railway line
Target entity description: The Sofia–Kulata railway line is a major rail route in southwestern Bulgaria that connects the capital Sofia with the Greek border near Kulata, serving as an important international transport corridor.
  • A. Tbilisi–Poti railway line
    The Tbilisi–Poti railway line is a major rail route in Georgia that connects the capital city Tbilisi with the Black Sea port of Poti, serving as a key corridor for both passenger and freight transport.
  • B. Vienna–Budapest railway line
    The Vienna–Budapest railway line is a major international rail route connecting the capitals of Austria and Hungary and forming a key part of Central Europe’s transport network.
  • C. Moscow–Saint Petersburg railway
    The Moscow–Saint Petersburg railway is a major high-speed and conventional rail corridor linking Russia’s two largest cities and serving as one of the country’s most important transportation arteries.
  • D. Butovskaya Line
    The Butovskaya Line is a light metro line in the Moscow Metro system serving the Butovo district in the city’s south.
  • E. Sevastopol–Yalta highway
    The Sevastopol–Yalta highway is a major coastal road in Crimea that links the port city of Sevastopol with the resort city of Yalta along the region’s southern shore.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailwayConnection
Context triple: [Blagoevgrad, hasRailwayConnection, Sofia–Kulata railway line]
  • A. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • B. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • C. hasMajorRailLinksTo chosen
    Indicates that there are significant railway connections or routes between two locations.
  • D. hasPublicTransportConnection
    Indicates that there is an available public transportation link or service connecting the related entities.
  • E. hasRailSystem
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • F. None of above.

Provenance (6 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_69a493c383dc8190a03257f22d4b4183 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b493f5dc819090d239c2f7e083de completed March 1, 2026, 9:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac1ce14ffc8190b2d0a7915960ff89 completed March 7, 2026, 12:41 p.m.
NEDg Description generation batch_69ac1dcf739081909c38eb936425f666 completed March 7, 2026, 12:45 p.m.
NED2 Entity disambiguation (via description) batch_69ac1e41d0a081908e890ce6aeccc87f completed March 7, 2026, 12:46 p.m.
PD Predicate disambiguation batch_69a4b2aa219081908a6b0ef786b4aa52 completed March 1, 2026, 9:42 p.m.
Created at: March 1, 2026, 7:41 p.m.