Triple

T21123536
Position Surface form Disambiguated ID Type / Status
Subject Landsat 8 E520491 entity
Predicate spacecraftBus P12569 FINISHED
Object Landsat Data Continuity Mission bus NE NERFINISHED

How this triple was built (2 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: Landsat Data Continuity Mission bus | Statement: [Landsat 8, spacecraftBus, Landsat Data Continuity Mission bus]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Landsat Data Continuity Mission bus
Context triple: [Landsat 8, spacecraftBus, Landsat Data Continuity Mission bus]
  • A. Landsat 8–class bus chosen
    The Landsat 8–class bus is a standardized satellite platform design used for modern Landsat Earth-observing missions, providing the structural, power, and support systems for their imaging instruments.
  • B. Landsat 9
    Landsat 9 is a NASA and USGS Earth observation satellite that continues the decades-long Landsat program by collecting high-resolution multispectral imagery to monitor and study changes on the planet’s surface.
  • C. Landsat 8
    Landsat 8 is an Earth observation satellite in the long-running Landsat program, providing high-resolution multispectral imagery for environmental monitoring, land use analysis, and climate research.
  • D. Landsat 7
    Landsat 7 is a NASA Earth observation satellite launched in 1999 that provides multispectral imagery for environmental monitoring, land use analysis, and global change research.
  • E. Landsat 5
    Landsat 5 was a long-lived Earth observation satellite that provided decades of multispectral imagery for environmental monitoring and land-use analysis.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b50a623881909c0bbaf4f2c055e7 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e72236b2d88190bef9f0cd6924ca92 completed April 21, 2026, 7:07 a.m.
Created at: April 16, 2026, 2:55 p.m.