Triple

T20396254
Position Surface form Disambiguated ID Type / Status
Subject Sigulda E500210 entity
Predicate transportConnection P1298 FINISHED
Object Riga–Valka railway line
The Riga–Valka railway line is a rail route in Latvia that connects the capital city Riga with the border town of Valka, passing through several regional centers including Sigulda.
E1428528 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: Riga–Valka railway line | Statement: [Sigulda, transportConnection, Riga–Valka railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Riga–Valka railway line
Context triple: [Sigulda, transportConnection, Riga–Valka railway line]
  • A. Riga–Jelgava railway
    The Riga–Jelgava railway is a key rail line in Latvia that links the capital city Riga with the nearby city of Jelgava, serving both passenger and freight traffic.
  • B. Riga–Tukums railway
    The Riga–Tukums railway is a key rail line in Latvia linking the capital Riga with the town of Tukums and serving as an important regional passenger and freight route.
  • C. Riga–Daugavpils railway
    The Riga–Daugavpils railway is a major rail line in Latvia that links the capital Riga with the country’s second-largest city, Daugavpils, serving as an important route for both passenger and freight transport.
  • D. Riga–Aizkraukle railway
    The Riga–Aizkraukle railway is a key Latvian rail line linking the capital Riga with the town of Aizkraukle and forming part of the country’s main eastbound transport corridor.
  • E. Riga–Skulte railway
    The Riga–Skulte railway is a Latvian rail line running from the capital city Riga northward toward the coastal town of Skulte, serving as an important regional passenger route.
  • 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: Riga–Valka railway line
Triple: [Sigulda, transportConnection, Riga–Valka railway line]
Generated description
The Riga–Valka railway line is a rail route in Latvia that connects the capital city Riga with the border town of Valka, passing through several regional centers including Sigulda.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Riga–Valka railway line
Target entity description: The Riga–Valka railway line is a rail route in Latvia that connects the capital city Riga with the border town of Valka, passing through several regional centers including Sigulda.
  • A. Riga–Jelgava railway
    The Riga–Jelgava railway is a key rail line in Latvia that links the capital city Riga with the nearby city of Jelgava, serving both passenger and freight traffic.
  • B. Riga–Tukums railway
    The Riga–Tukums railway is a key rail line in Latvia linking the capital Riga with the town of Tukums and serving as an important regional passenger and freight route.
  • C. Riga–Daugavpils railway
    The Riga–Daugavpils railway is a major rail line in Latvia that links the capital Riga with the country’s second-largest city, Daugavpils, serving as an important route for both passenger and freight transport.
  • D. Riga–Aizkraukle railway
    The Riga–Aizkraukle railway is a key Latvian rail line linking the capital Riga with the town of Aizkraukle and forming part of the country’s main eastbound transport corridor.
  • E. Riga–Skulte railway
    The Riga–Skulte railway is a Latvian rail line running from the capital city Riga northward toward the coastal town of Skulte, serving as an important regional passenger route.
  • 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_69e0b4a71ebc8190b153a36c738730f4 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6798b6640819085d5b12dc35633fe completed April 20, 2026, 7:07 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08762804ac81909e90e7983246cb28 completed May 16, 2026, 1:50 p.m.
NEDg Description generation batch_6a0877d6b364819080b5e701acea02aa completed May 16, 2026, 1:57 p.m.
NED2 Entity disambiguation (via description) batch_6a08787cfe6c8190881554ead3cfd248 completed May 16, 2026, 2 p.m.
Created at: April 16, 2026, 11:28 a.m.