Triple

T12216783
Position Surface form Disambiguated ID Type / Status
Subject Old Town, Prague E291105 entity
Predicate hasLandmark P105 FINISHED
Object Prague Meridian in Old Town Square
The Prague Meridian in Old Town Square is a historical line marked in the pavement that once indicated local noon for the city using the shadow of a Marian column.
E291105 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 Meridian in Old Town Square | Statement: [Old Town, Prague, hasLandmark, Prague Meridian in Old Town Square]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Prague Meridian in Old Town Square
Context triple: [Old Town, Prague, hasLandmark, Prague Meridian in Old Town Square]
  • A. Old Town Hall, Prague
    Old Town Hall in Prague is a historic Gothic complex on the Old Town Square, renowned as a major city landmark and the site of the famous Prague Astronomical Clock.
  • B. Wenceslas Square
    Wenceslas Square is a major historic boulevard and commercial center in Prague, renowned as a focal point for political demonstrations and public gatherings in Czech history.
  • C. Old Town, Prague
    Old Town, Prague is the historic medieval heart of the Czech capital, known for its cobbled streets, Gothic and Baroque architecture, and the famous Old Town Square with its Astronomical Clock.
  • D. Charles Square
    Charles Square is one of the largest historic squares in Prague, serving as a major public space and transport hub in the city’s New Town.
  • E. Pernštejn Square
    Pernštejn Square is a historic central square in Pardubice, Czech Republic, known for its traditional architecture and role as a local cultural and social hub.
  • 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 Meridian in Old Town Square
Triple: [Old Town, Prague, hasLandmark, Prague Meridian in Old Town Square]
Generated description
The Prague Meridian in Old Town Square is a historical line marked in the pavement that once indicated local noon for the city using the shadow of a Marian column.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Prague Meridian in Old Town Square
Target entity description: The Prague Meridian in Old Town Square is a historical line marked in the pavement that once indicated local noon for the city using the shadow of a Marian column.
  • A. Old Town Hall, Prague
    Old Town Hall in Prague is a historic Gothic complex on the Old Town Square, renowned as a major city landmark and the site of the famous Prague Astronomical Clock.
  • B. Wenceslas Square
    Wenceslas Square is a major historic boulevard and commercial center in Prague, renowned as a focal point for political demonstrations and public gatherings in Czech history.
  • C. Old Town, Prague chosen
    Old Town, Prague is the historic medieval heart of the Czech capital, known for its cobbled streets, Gothic and Baroque architecture, and the famous Old Town Square with its Astronomical Clock.
  • D. Charles Square
    Charles Square is one of the largest historic squares in Prague, serving as a major public space and transport hub in the city’s New Town.
  • E. Pernštejn Square
    Pernštejn Square is a historic central square in Pardubice, Czech Republic, known for its traditional architecture and role as a local cultural and social hub.
  • F. None of above.

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_69d6ab65923081909acfc61b7a612233 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d91c9419d48190b0037fe8edc681c4 completed April 10, 2026, 3:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f60aa31f548190bd4f8cfe3c55614b completed May 2, 2026, 2:30 p.m.
NEDg Description generation batch_69f60dbe4f788190a3b4be4b31cfbffa completed May 2, 2026, 2:44 p.m.
NED2 Entity disambiguation (via description) batch_69f60ee037bc8190be486e30e03031a7 completed May 2, 2026, 2:49 p.m.
Created at: April 8, 2026, 9:51 p.m.