Triple

T21769079
Position Surface form Disambiguated ID Type / Status
Subject Södermanland mainland E537373 entity
Predicate transportInfrastructure P1777 FINISHED
Object Södra stambanan railway
Södra stambanan railway is one of Sweden’s main southbound mainline railways, connecting Stockholm with major cities in the southern part of the country.
 E1501370 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: Södra stambanan railway | Statement: [Södermanland mainland, transportInfrastructure, Södra stambanan railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Södra stambanan railway
Context triple: [Södermanland mainland, transportInfrastructure, Södra stambanan railway]
  • A. Stångådalsbanan
    Stångådalsbanan is a regional railway line in southeastern Sweden that connects Linköping with coastal towns such as Västervik.
  • B. Ostkustbanan railway line
    The Ostkustbanan railway line is a major Swedish rail route running along the country’s east coast, connecting Stockholm with northern regions and serving numerous municipalities along the way.
  • C. Södermanland railway line
    The Södermanland railway line is a Swedish rail route in the province of Södermanland that connects several towns and cities west of Stockholm, serving both regional passenger and freight traffic.
  • D. Västra stambanan
    Västra stambanan is one of Sweden’s main railway lines, connecting Stockholm with Gothenburg and serving as a key corridor for both passenger and freight traffic.
  • E. Västkustbanan
    Västkustbanan is a major Swedish railway line running along the country’s west coast, connecting key cities such as Gothenburg and Malmö.
  • 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: Södra stambanan railway
Triple: [Södermanland mainland, transportInfrastructure, Södra stambanan railway]
Generated description
Södra stambanan railway is one of Sweden’s main southbound mainline railways, connecting Stockholm with major cities in the southern part of the country.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Södra stambanan railway
Target entity description: Södra stambanan railway is one of Sweden’s main southbound mainline railways, connecting Stockholm with major cities in the southern part of the country.
  • A. Stångådalsbanan
    Stångådalsbanan is a regional railway line in southeastern Sweden that connects Linköping with coastal towns such as Västervik.
  • B. Ostkustbanan railway line
    The Ostkustbanan railway line is a major Swedish rail route running along the country’s east coast, connecting Stockholm with northern regions and serving numerous municipalities along the way.
  • C. Södermanland railway line
    The Södermanland railway line is a Swedish rail route in the province of Södermanland that connects several towns and cities west of Stockholm, serving both regional passenger and freight traffic.
  • D. Västra stambanan
    Västra stambanan is one of Sweden’s main railway lines, connecting Stockholm with Gothenburg and serving as a key corridor for both passenger and freight traffic.
  • E. Västkustbanan
    Västkustbanan is a major Swedish railway line running along the country’s west coast, connecting key cities such as Gothenburg and Malmö.
  • 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_69e0c46f5d1c8190bf830409e98464e5 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69f031ac10808190837a0f69c4f8a02d completed April 28, 2026, 4:03 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0a367bbd008190b374213331527287 completed May 17, 2026, 9:43 p.m.
NEDg Description generation batch_6a0a373aca708190aae867f78c87b956 completed May 17, 2026, 9:46 p.m.
NED2 Entity disambiguation (via description) batch_6a0a37e0bed48190b0319d62eaff5d1e completed May 17, 2026, 9:49 p.m.
Created at: April 16, 2026, 6:51 p.m.