Triple

T5040569
Position Surface form Disambiguated ID Type / Status
Subject Riga Central Station E113533 entity
Predicate connectsTo P845 FINISHED
Object 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.
E492268 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–Tukums railway | Statement: [Riga Central Station, connectsTo, Riga–Tukums railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Riga–Tukums railway
Context triple: [Riga Central Station, connectsTo, Riga–Tukums railway]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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–Tukums railway
Triple: [Riga Central Station, connectsTo, Riga–Tukums railway]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Riga–Tukums railway
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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_69beb0f21d308190adbac06397f90cee completed March 21, 2026, 2:53 p.m.
NEDg Description generation batch_69beb2d2ea3c8190bebbe8008333ce1a completed March 21, 2026, 3:01 p.m.
NED2 Entity disambiguation (via description) batch_69beb340481481908ed524184d63f755 completed March 21, 2026, 3:03 p.m.
Created at: March 20, 2026, 1:37 p.m.