Triple

T5483432
Position Surface form Disambiguated ID Type / Status
Subject Basilica of San Petronio E123519 entity
Predicate containsWork P2011 FINISHED
Object Cassini meridian line
The Cassini meridian line is a monumental 17th-century astronomical sundial and meridian marker in Bologna used to measure the Sun’s position and refine the length of the year.
E522102 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: Cassini meridian line | Statement: [Basilica of San Petronio, containsWork, Cassini meridian line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cassini meridian line
Context triple: [Basilica of San Petronio, containsWork, Cassini meridian line]
  • A. Humboldt meridian
    The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
  • B. Great Arc of the Meridian
    The Great Arc of the Meridian was a monumental 19th-century geodetic survey line across the Indian subcontinent that played a key role in measuring the Earth’s shape and refining global maps.
  • C. San Bernardino meridian
    The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
  • D. Vera Rubin Ridge
    Vera Rubin Ridge is a geologic feature on Mars explored by NASA's Curiosity rover, named in honor of pioneering astronomer Vera Rubin.
  • E. Kniphausen
    Kniphausen is a historical territory in present-day Germany that once functioned as a small semi-independent lordship under various regional powers.
  • 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: Cassini meridian line
Triple: [Basilica of San Petronio, containsWork, Cassini meridian line]
Generated description
The Cassini meridian line is a monumental 17th-century astronomical sundial and meridian marker in Bologna used to measure the Sun’s position and refine the length of the year.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cassini meridian line
Target entity description: The Cassini meridian line is a monumental 17th-century astronomical sundial and meridian marker in Bologna used to measure the Sun’s position and refine the length of the year.
  • A. Humboldt meridian
    The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
  • B. Great Arc of the Meridian
    The Great Arc of the Meridian was a monumental 19th-century geodetic survey line across the Indian subcontinent that played a key role in measuring the Earth’s shape and refining global maps.
  • C. San Bernardino meridian
    The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
  • D. Vera Rubin Ridge
    Vera Rubin Ridge is a geologic feature on Mars explored by NASA's Curiosity rover, named in honor of pioneering astronomer Vera Rubin.
  • E. Kniphausen
    Kniphausen is a historical territory in present-day Germany that once functioned as a small semi-independent lordship under various regional powers.
  • 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_69bd4648883481909e9775d43300c5fa completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd925deadc81908e193eeb75b63d90 completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf48a4c67081909fb62ddcf0fb3047 completed March 22, 2026, 1:40 a.m.
NEDg Description generation batch_69bf492769b08190a3675893ff3473c1 completed March 22, 2026, 1:43 a.m.
NED2 Entity disambiguation (via description) batch_69bf49956ee48190b74fa50728d4248b completed March 22, 2026, 1:44 a.m.
Created at: March 20, 2026, 2:10 p.m.