Triple

T3026774
Position Surface form Disambiguated ID Type / Status
Subject Gerardus Mercator E82793 entity
Predicate notableWork P4 FINISHED
Object Mercator projection
The Mercator projection is a cylindrical map projection widely used for navigation because it preserves angles and directions but greatly distorts the size of landmasses near the poles.
E321733 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: Mercator projection | Statement: [Gerardus Mercator, notableWork, Mercator projection]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mercator projection
Context triple: [Gerardus Mercator, notableWork, Mercator projection]
  • A. Lambert conformal conic projection
    The Lambert conformal conic projection is a map projection that preserves local shapes and angles, commonly used for aeronautical charts and regional maps in mid-latitude areas.
  • B. Lambert azimuthal equal-area projection
    The Lambert azimuthal equal-area projection is a map projection that preserves area while representing the Earth on a circular, azimuthally symmetric plane, commonly used for mapping continents and polar regions.
  • C. Mercator–Hondius atlas
    The Mercator–Hondius atlas is a landmark early 17th-century world atlas that combined and expanded Gerardus Mercator’s pioneering cartographic work under the publishing direction of Jodocus Hondius, becoming one of the most influential map collections of the Dutch Golden Age.
  • D. Nova Totius Terrarum Orbis Geographica ac Hydrographica Tabula (world map)
    Nova Totius Terrarum Orbis Geographica ac Hydrographica Tabula is a richly decorated 17th-century world map renowned as one of the masterpieces of Dutch Golden Age cartography.
  • E. Gerardus Mercator
    Gerardus Mercator was a 16th-century Flemish cartographer best known for creating the Mercator projection, a revolutionary world map that became a standard for nautical navigation.
  • 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: Mercator projection
Triple: [Gerardus Mercator, notableWork, Mercator projection]
Generated description
The Mercator projection is a cylindrical map projection widely used for navigation because it preserves angles and directions but greatly distorts the size of landmasses near the poles.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mercator projection
Target entity description: The Mercator projection is a cylindrical map projection widely used for navigation because it preserves angles and directions but greatly distorts the size of landmasses near the poles.
  • A. Lambert conformal conic projection
    The Lambert conformal conic projection is a map projection that preserves local shapes and angles, commonly used for aeronautical charts and regional maps in mid-latitude areas.
  • B. Lambert azimuthal equal-area projection
    The Lambert azimuthal equal-area projection is a map projection that preserves area while representing the Earth on a circular, azimuthally symmetric plane, commonly used for mapping continents and polar regions.
  • C. Mercator–Hondius atlas
    The Mercator–Hondius atlas is a landmark early 17th-century world atlas that combined and expanded Gerardus Mercator’s pioneering cartographic work under the publishing direction of Jodocus Hondius, becoming one of the most influential map collections of the Dutch Golden Age.
  • D. Nova Totius Terrarum Orbis Geographica ac Hydrographica Tabula (world map)
    Nova Totius Terrarum Orbis Geographica ac Hydrographica Tabula is a richly decorated 17th-century world map renowned as one of the masterpieces of Dutch Golden Age cartography.
  • E. Gerardus Mercator
    Gerardus Mercator was a 16th-century Flemish cartographer best known for creating the Mercator projection, a revolutionary world map that became a standard for nautical navigation.
  • 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_69ad8b21a62881908ec5dd4fba4a187c completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad9abd85348190aba9e40658697665 completed March 8, 2026, 3:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b1deb6dc8c8190a5714894b9ca24a1 completed March 11, 2026, 9:29 p.m.
NEDg Description generation batch_69b1df85a39c8190ada558de530e3772 completed March 11, 2026, 9:32 p.m.
NED2 Entity disambiguation (via description) batch_69b1e3e6aeb48190914d62616ea0c7e1 completed March 11, 2026, 9:51 p.m.
Created at: March 8, 2026, 3 p.m.