Triple

T5040567
Position Surface form Disambiguated ID Type / Status
Subject Riga Central Station E113533 entity
Predicate connectsTo P845 FINISHED
Object 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.
E488459 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–Daugavpils railway | Statement: [Riga Central Station, connectsTo, Riga–Daugavpils railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Riga–Daugavpils railway
Context triple: [Riga Central Station, connectsTo, Riga–Daugavpils railway]
  • A. Gdynia–Hel railway
    The Gdynia–Hel railway is a coastal rail line in northern Poland that connects the port city of Gdynia with the Hel Peninsula, serving popular seaside resorts and tourist destinations along the Baltic Sea.
  • B. Saburtalo Line
    The Saburtalo Line is one of the main rapid transit lines of the Tbilisi Metro system in Tbilisi, Georgia, serving several central and residential districts of the city.
  • C. Murmansk Railway
    Murmansk Railway is a major rail line in northwestern Russia that connects the Arctic port city of Murmansk and the Kola Peninsula with the broader Russian railway network.
  • D. Warsaw–Białystok railway line
    The Warsaw–Białystok railway line is a major rail route in northeastern Poland that connects the capital city Warsaw with the regional center Białystok, serving as an important corridor for both passenger and freight transport.
  • E. Stralsund–Sassnitz railway
    The Stralsund–Sassnitz railway is a key rail line in northeastern Germany that connects the mainland city of Stralsund with the Baltic Sea island of Rügen and its ferry port at Sassnitz.
  • 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–Daugavpils railway
Triple: [Riga Central Station, connectsTo, Riga–Daugavpils railway]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Riga–Daugavpils railway
Target entity description: 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.
  • A. Gdynia–Hel railway
    The Gdynia–Hel railway is a coastal rail line in northern Poland that connects the port city of Gdynia with the Hel Peninsula, serving popular seaside resorts and tourist destinations along the Baltic Sea.
  • B. Saburtalo Line
    The Saburtalo Line is one of the main rapid transit lines of the Tbilisi Metro system in Tbilisi, Georgia, serving several central and residential districts of the city.
  • C. Murmansk Railway
    Murmansk Railway is a major rail line in northwestern Russia that connects the Arctic port city of Murmansk and the Kola Peninsula with the broader Russian railway network.
  • D. Warsaw–Białystok railway line
    The Warsaw–Białystok railway line is a major rail route in northeastern Poland that connects the capital city Warsaw with the regional center Białystok, serving as an important corridor for both passenger and freight transport.
  • E. Stralsund–Sassnitz railway
    The Stralsund–Sassnitz railway is a key rail line in northeastern Germany that connects the mainland city of Stralsund with the Baltic Sea island of Rügen and its ferry port at Sassnitz.
  • 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_69bd44384298819089c49e7c330ec7b8 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd73dd27fc8190817e53311ea3f706 completed March 20, 2026, 4:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69be9c8414288190bf53a40033aa70ea completed March 21, 2026, 1:26 p.m.
NEDg Description generation batch_69be9e5bc02c8190bcb1442439673706 completed March 21, 2026, 1:34 p.m.
NED2 Entity disambiguation (via description) batch_69be9f0888cc8190bfed8337e15ca909 completed March 21, 2026, 1:37 p.m.
Created at: March 20, 2026, 1:37 p.m.