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.