Triple

T10319523
Position Surface form Disambiguated ID Type / Status
Subject International Terrestrial Reference System E242103 entity
Predicate realizationExample P41975 FINISHED
Object ITRF2020
ITRF2020 is a high-precision global geodetic reference frame used to define accurate positions and motions on the Earth’s surface for applications such as navigation, mapping, and Earth science.
E857609 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: ITRF2020 | Statement: [International Terrestrial Reference System, realizationExample, ITRF2020]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: ITRF2020
Context triple: [International Terrestrial Reference System, realizationExample, ITRF2020]
  • A. International Terrestrial Reference System
    The International Terrestrial Reference System is a globally standardized, Earth-centered coordinate framework used for precise positioning, navigation, and geodetic measurements.
  • B. IERS Conventions
    IERS Conventions are a set of internationally recognized technical standards and models that define how to precisely measure and reference Earth’s rotation, orientation, and reference frames for geodesy and astronomy.
  • C. IERS ICRS Centre
    The IERS ICRS Centre is the component of the International Earth Rotation and Reference Systems Service responsible for realizing, maintaining, and providing access to the International Celestial Reference System used for precise astronomical and geodetic measurements.
  • D. IERS Rapid Service/Prediction Centre
    The IERS Rapid Service/Prediction Centre is a specialized unit that rapidly determines and forecasts Earth orientation parameters, such as polar motion and variations in the length of day, for global geodetic and astronomical applications.
  • E. International Earth Rotation and Reference Systems Service
    The International Earth Rotation and Reference Systems Service (IERS) is an international organization that monitors Earth's rotation and maintains global reference systems used for precise timekeeping, navigation, and geodesy.
  • 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: ITRF2020
Triple: [International Terrestrial Reference System, realizationExample, ITRF2020]
Generated description
ITRF2020 is a high-precision global geodetic reference frame used to define accurate positions and motions on the Earth’s surface for applications such as navigation, mapping, and Earth science.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: ITRF2020
Target entity description: ITRF2020 is a high-precision global geodetic reference frame used to define accurate positions and motions on the Earth’s surface for applications such as navigation, mapping, and Earth science.
  • A. International Terrestrial Reference System
    The International Terrestrial Reference System is a globally standardized, Earth-centered coordinate framework used for precise positioning, navigation, and geodetic measurements.
  • B. IERS Conventions
    IERS Conventions are a set of internationally recognized technical standards and models that define how to precisely measure and reference Earth’s rotation, orientation, and reference frames for geodesy and astronomy.
  • C. IERS ICRS Centre
    The IERS ICRS Centre is the component of the International Earth Rotation and Reference Systems Service responsible for realizing, maintaining, and providing access to the International Celestial Reference System used for precise astronomical and geodetic measurements.
  • D. IERS Rapid Service/Prediction Centre
    The IERS Rapid Service/Prediction Centre is a specialized unit that rapidly determines and forecasts Earth orientation parameters, such as polar motion and variations in the length of day, for global geodetic and astronomical applications.
  • E. International Earth Rotation and Reference Systems Service
    The International Earth Rotation and Reference Systems Service (IERS) is an international organization that monitors Earth's rotation and maintains global reference systems used for precise timekeeping, navigation, and geodesy.
  • 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_69d381ac38808190a8ca7457c85b625b completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4dfc1b0488190ac04da58a4987da0 completed April 7, 2026, 10:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69d75036ed008190aee48695ad7f857d completed April 9, 2026, 7:07 a.m.
NEDg Description generation batch_69d7618b0f2481908149596dc86d4593 completed April 9, 2026, 8:21 a.m.
NED2 Entity disambiguation (via description) batch_69d77015ae688190870976309e2b912b completed April 9, 2026, 9:23 a.m.
Created at: April 6, 2026, 11:49 a.m.