Triple

T5040842
Position Surface form Disambiguated ID Type / Status
Subject Centrs E113539 entity
Predicate hasTransportConnection P845 FINISHED
Object Riga tram lines
Riga tram lines form the core electric tram network serving the city of Riga, Latvia, providing urban public transport across central and outlying districts.
 E488476 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 tram lines | Statement: [Centrs, hasTransportConnection, Riga tram lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Riga tram lines
Context triple: [Centrs, hasTransportConnection, Riga tram lines]
  • A. Helsinki tram network
    The Helsinki tram network is an extensive urban light rail system that serves as a primary mode of public transportation within Finland’s capital city.
  • B. Potsdam tram network
    The Potsdam tram network is an urban light rail system serving the city of Potsdam, Germany, providing key public transportation links between its historic center, residential districts, and surrounding areas.
  • C. Łódź tram network
    The Łódź tram network is an extensive urban and interurban tram system serving the city of Łódź, Poland, and its surrounding metropolitan area.
  • D. Tram Train Route
    Tram Train Route is a hybrid light rail line in the Sheffield Supertram network that allows tram vehicles to run seamlessly on both city tram tracks and mainline railway infrastructure.
  • E. Volgograd tram network
    The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
  • 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 tram lines
Triple: [Centrs, hasTransportConnection, Riga tram lines]
Generated description
Riga tram lines form the core electric tram network serving the city of Riga, Latvia, providing urban public transport across central and outlying districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Riga tram lines
Target entity description: Riga tram lines form the core electric tram network serving the city of Riga, Latvia, providing urban public transport across central and outlying districts.
  • A. Helsinki tram network
    The Helsinki tram network is an extensive urban light rail system that serves as a primary mode of public transportation within Finland’s capital city.
  • B. Potsdam tram network
    The Potsdam tram network is an urban light rail system serving the city of Potsdam, Germany, providing key public transportation links between its historic center, residential districts, and surrounding areas.
  • C. Łódź tram network
    The Łódź tram network is an extensive urban and interurban tram system serving the city of Łódź, Poland, and its surrounding metropolitan area.
  • D. Tram Train Route
    Tram Train Route is a hybrid light rail line in the Sheffield Supertram network that allows tram vehicles to run seamlessly on both city tram tracks and mainline railway infrastructure.
  • E. Volgograd tram network
    The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
  • 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.