Triple

T20323488
Position Surface form Disambiguated ID Type / Status
Subject Riga–Tukums railway E492268 entity
Predicate hasStation P35 FINISHED
Object Tukums railway station
Tukums railway station is a regional rail station in the town of Tukums, Latvia, serving as a key terminus and transit point on the rail line connecting it with the capital city, Riga.
 E1423915 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: Tukums railway station | Statement: [Riga–Tukums railway, hasStation, Tukums railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tukums railway station
Context triple: [Riga–Tukums railway, hasStation, Tukums railway station]
  • A. Tua railway station
    Tua railway station is a historic Portuguese railway terminus located at the confluence of the Tua and Douro rivers, known for serving as a gateway to the scenic Douro Valley region.
  • B. Tuni railway station
    Tuni railway station is a key rail transit point serving the town of Tuni in Andhra Pradesh, India, connecting it to major cities and regional destinations.
  • C. Tynda railway station
    Tynda railway station is a key junction on Russia’s Baikal–Amur Mainline in Amur Oblast, serving as an important regional hub for passenger and freight rail traffic.
  • D. Turrella railway station
    Turrella railway station is a suburban train station in Sydney, Australia, serving the local community on the T8 Airport & South Line.
  • E. Tondu railway station
    Tondu railway station is a small railway stop serving the village of Tondu in Bridgend County Borough, Wales, on the Maesteg Line.
  • 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: Tukums railway station
Triple: [Riga–Tukums railway, hasStation, Tukums railway station]
Generated description
Tukums railway station is a regional rail station in the town of Tukums, Latvia, serving as a key terminus and transit point on the rail line connecting it with the capital city, Riga.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tukums railway station
Target entity description: Tukums railway station is a regional rail station in the town of Tukums, Latvia, serving as a key terminus and transit point on the rail line connecting it with the capital city, Riga.
  • A. Tua railway station
    Tua railway station is a historic Portuguese railway terminus located at the confluence of the Tua and Douro rivers, known for serving as a gateway to the scenic Douro Valley region.
  • B. Tuni railway station
    Tuni railway station is a key rail transit point serving the town of Tuni in Andhra Pradesh, India, connecting it to major cities and regional destinations.
  • C. Tynda railway station
    Tynda railway station is a key junction on Russia’s Baikal–Amur Mainline in Amur Oblast, serving as an important regional hub for passenger and freight rail traffic.
  • D. Turrella railway station
    Turrella railway station is a suburban train station in Sydney, Australia, serving the local community on the T8 Airport & South Line.
  • E. Tondu railway station
    Tondu railway station is a small railway stop serving the village of Tondu in Bridgend County Borough, Wales, on the Maesteg Line.
  • 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_69e0b4a0134081909113563e1c3ba68a completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6778d95dc81909b1c87d26b5d3a33 completed April 20, 2026, 6:59 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08612ae0fc8190b71aed985088eb59 completed May 16, 2026, 12:20 p.m.
NEDg Description generation batch_6a0862c7eaa081909932483432f2fa9a completed May 16, 2026, 12:27 p.m.
NED2 Entity disambiguation (via description) batch_6a08634352288190976327bca8ea3986 completed May 16, 2026, 12:29 p.m.
Created at: April 16, 2026, 11:21 a.m.