Triple

T960205
Position Surface form Disambiguated ID Type / Status
Subject Amsterdam Sloterdijk E20717 entity
Predicate servedBy P82 FINISHED
Object GVB tram line 19
GVB tram line 19 is a public transport tram route in Amsterdam operated by GVB that connects key districts and hubs across the city, including Amsterdam Sloterdijk.
E113441 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: GVB tram line 19 | Statement: [Amsterdam Sloterdijk, servedBy, GVB tram line 19]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: GVB tram line 19
Context triple: [Amsterdam Sloterdijk, servedBy, GVB tram line 19]
  • A. Amsterdam tram network
    The Amsterdam tram network is an extensive urban light rail system that serves as a primary mode of public transportation throughout Amsterdam, connecting key squares, neighborhoods, and transit hubs.
  • B. GVB
    GVB is Amsterdam’s primary public transport company, operating the city’s trams, buses, metro, and ferries.
  • C. Brussels Metro
    The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
  • D. Brussels tram system
    The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
  • E. Amsterdam Metro line 51
    Amsterdam Metro line 51 was a former hybrid metro–light rail line in Amsterdam that connected the city center with the southern suburbs, notably serving areas like Amstelveen.
  • 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: GVB tram line 19
Triple: [Amsterdam Sloterdijk, servedBy, GVB tram line 19]
Generated description
GVB tram line 19 is a public transport tram route in Amsterdam operated by GVB that connects key districts and hubs across the city, including Amsterdam Sloterdijk.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: GVB tram line 19
Target entity description: GVB tram line 19 is a public transport tram route in Amsterdam operated by GVB that connects key districts and hubs across the city, including Amsterdam Sloterdijk.
  • A. Amsterdam tram network
    The Amsterdam tram network is an extensive urban light rail system that serves as a primary mode of public transportation throughout Amsterdam, connecting key squares, neighborhoods, and transit hubs.
  • B. GVB
    GVB is Amsterdam’s primary public transport company, operating the city’s trams, buses, metro, and ferries.
  • C. Brussels Metro
    The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
  • D. Brussels tram system
    The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
  • E. Amsterdam Metro line 51
    Amsterdam Metro line 51 was a former hybrid metro–light rail line in Amsterdam that connected the city center with the southern suburbs, notably serving areas like Amstelveen.
  • 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_69a493b21f2881908132dcf45dcd2f36 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4b412f9f48190be123e8c20f38962 completed March 1, 2026, 9:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac11a3f8c481908f9ed37c44788cb7 completed March 7, 2026, 11:53 a.m.
NEDg Description generation batch_69ac1339634c8190b83c39db30fc78b1 completed March 7, 2026, 11:59 a.m.
NED2 Entity disambiguation (via description) batch_69ac13931cf081908de84000f7b037fc completed March 7, 2026, 12:01 p.m.
Created at: March 1, 2026, 7:40 p.m.