Triple

T16430765
Position Surface form Disambiguated ID Type / Status
Subject ERTS program E399064 entity
Predicate firstSatellite P31839 FINISHED
Object ERTS-1
ERTS-1, later renamed Landsat 1, was the first Earth-resources satellite, pioneering systematic multispectral imaging of the planet’s surface for environmental and land-use monitoring.
E1212848 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: ERTS-1 | Statement: [ERTS program, firstSatellite, ERTS-1]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: ERTS-1
Context triple: [ERTS program, firstSatellite, ERTS-1]
  • A. ESRO-1A
    ESRO-1A was one of the European Space Research Organisation’s early scientific satellites, launched to study Earth’s upper atmosphere and space environment.
  • B. Telstar 18
    Telstar 18 is the official Adidas match ball used for the 2018 FIFA World Cup in Russia, featuring a modernized design inspired by the original 1970 Telstar ball.
  • C. Aussat-1 communications satellite
    Aussat-1 was an Australian communications satellite launched in 1985 to provide domestic telecommunication and broadcasting services across Australia and nearby regions.
  • D. ERBS spacecraft
    The ERBS spacecraft was a NASA satellite launched in 1984 to study Earth's radiation budget and the effects of human activities on the planet's climate.
  • E. ESRO-2B
    ESRO-2B was an early European scientific satellite launched by the European Space Research Organisation to study cosmic rays and solar-related phenomena in Earth’s near-space environment.
  • 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: ERTS-1
Triple: [ERTS program, firstSatellite, ERTS-1]
Generated description
ERTS-1, later renamed Landsat 1, was the first Earth-resources satellite, pioneering systematic multispectral imaging of the planet’s surface for environmental and land-use monitoring.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: ERTS-1
Target entity description: ERTS-1, later renamed Landsat 1, was the first Earth-resources satellite, pioneering systematic multispectral imaging of the planet’s surface for environmental and land-use monitoring.
  • A. ESRO-1A
    ESRO-1A was one of the European Space Research Organisation’s early scientific satellites, launched to study Earth’s upper atmosphere and space environment.
  • B. Telstar 18
    Telstar 18 is the official Adidas match ball used for the 2018 FIFA World Cup in Russia, featuring a modernized design inspired by the original 1970 Telstar ball.
  • C. Aussat-1 communications satellite
    Aussat-1 was an Australian communications satellite launched in 1985 to provide domestic telecommunication and broadcasting services across Australia and nearby regions.
  • D. ERBS spacecraft
    The ERBS spacecraft was a NASA satellite launched in 1984 to study Earth's radiation budget and the effects of human activities on the planet's climate.
  • E. ESRO-2B
    ESRO-2B was an early European scientific satellite launched by the European Space Research Organisation to study cosmic rays and solar-related phenomena in Earth’s near-space environment.
  • 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_69d87f2b9024819085c20e52de95d583 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e328fe0f488190ac34aa677c980a20 completed April 18, 2026, 6:47 a.m.
NED1 Entity disambiguation (via context triple) batch_6a004584fa508190a85b1f79ecf9c258 completed May 10, 2026, 8:44 a.m.
NEDg Description generation batch_6a00461390608190848c3b896042f1fd completed May 10, 2026, 8:47 a.m.
NED2 Entity disambiguation (via description) batch_6a0046a88e048190baa78506808171b8 completed May 10, 2026, 8:49 a.m.
Created at: April 10, 2026, 5:10 a.m.