Triple

T3817712
Position Surface form Disambiguated ID Type / Status
Subject Prague Metro E84295 entity
Predicate connectsTo P845 FINISHED
Object Prague trams
Prague trams are an extensive electric streetcar network that forms a core part of Prague’s public transport system, serving both central and outlying districts.
E390334 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: Prague trams | Statement: [Prague Metro, connectsTo, Prague trams]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Prague trams
Context triple: [Prague Metro, connectsTo, Prague trams]
  • A. Prague Metro
    The Prague Metro is the rapid transit system serving the Czech capital, known for its three main lines, deep underground stations, and role as the backbone of the city's public transportation network.
  • B. Berlin tram
    The Berlin tram is an extensive light rail network serving many districts of Germany’s capital, particularly in the eastern parts of the city, and forms a key component of its public transport system.
  • C. Tatra T1 tram
    The Tatra T1 tram is an early postwar Czechoslovak streetcar model that adapted American PCC technology into a robust, standardized design widely used across Eastern Europe.
  • D. Praga-Północ
    Praga-Północ is a historic district on the eastern bank of Warsaw known for its pre-war architecture, revitalized post-industrial spaces, and emerging cultural scene.
  • E. Prague 6
    Prague 6 is a large municipal district of Prague, Czech Republic, known for its residential neighborhoods, diplomatic quarter, and proximity to Prague Castle and the airport.
  • 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: Prague trams
Triple: [Prague Metro, connectsTo, Prague trams]
Generated description
Prague trams are an extensive electric streetcar network that forms a core part of Prague’s public transport system, serving both central and outlying districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Prague trams
Target entity description: Prague trams are an extensive electric streetcar network that forms a core part of Prague’s public transport system, serving both central and outlying districts.
  • A. Prague Metro
    The Prague Metro is the rapid transit system serving the Czech capital, known for its three main lines, deep underground stations, and role as the backbone of the city's public transportation network.
  • B. Berlin tram
    The Berlin tram is an extensive light rail network serving many districts of Germany’s capital, particularly in the eastern parts of the city, and forms a key component of its public transport system.
  • C. Tatra T1 tram
    The Tatra T1 tram is an early postwar Czechoslovak streetcar model that adapted American PCC technology into a robust, standardized design widely used across Eastern Europe.
  • D. Praga-Północ
    Praga-Północ is a historic district on the eastern bank of Warsaw known for its pre-war architecture, revitalized post-industrial spaces, and emerging cultural scene.
  • E. Prague 6
    Prague 6 is a large municipal district of Prague, Czech Republic, known for its residential neighborhoods, diplomatic quarter, and proximity to Prague Castle and the airport.
  • 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_69aed931f5908190be2c07af66d4df25 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeea5e41ec81908ed7e1ccc2713622 completed March 9, 2026, 3:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4fb43e1d481909a5b52cae5686179 completed March 14, 2026, 6:08 a.m.
NEDg Description generation batch_69b4fcec1cf48190aa0b128acb56c089 completed March 14, 2026, 6:15 a.m.
NED2 Entity disambiguation (via description) batch_69b4fd4d55248190bf4ef442a9991edf completed March 14, 2026, 6:16 a.m.
Created at: March 9, 2026, 3:17 p.m.