Triple

T18481876
Position Surface form Disambiguated ID Type / Status
Subject damped Lyman-alpha system E451580 entity
Predicate hasNeutralHydrogenColumnDensity P131821 FINISHED
Object > 2×10^20 atoms cm^-2 LITERAL FINISHED

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: > 2×10^20 atoms cm^-2 | Statement: [damped Lyman-alpha system, hasNeutralHydrogenColumnDensity, > 2×10^20 atoms cm^-2]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasNeutralHydrogenColumnDensity
Context triple: [damped Lyman-alpha system, hasNeutralHydrogenColumnDensity, > 2×10^20 atoms cm^-2]
  • A. hasApproximateNeutralHydrogenColumnDensity
    Indicates that an entity is associated with an estimated, not precisely measured, value for its column density of neutral hydrogen along the line of sight.
  • B. containsNeutralHydrogen
    Indicates that one entity has within it or is composed of neutral (non-ionized) hydrogen associated with the other entity.
  • C. hasNeutralHydrogenMass
    Indicates that an entity possesses a specified amount of mass in the form of neutral (non-ionized) hydrogen.
  • D. hasApproximateHydrogenNumberDensity
    Indicates that an entity is associated with a hydrogen number density value that is approximate rather than exact.
  • E. hasNeutralHydrogenEnvelope
    Indicates that an object is surrounded by an extended region or layer composed primarily of neutral (non-ionized) hydrogen gas.
  • F. None of above. chosen

Provenance (4 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_69d8d38465a0819099b9b42d2a662ac1 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e531d3d13c81909c52d797360b840a completed April 19, 2026, 7:49 p.m.
PD Predicate disambiguation batch_69e469d671088190b619de96ea6f92ab completed April 19, 2026, 5:36 a.m.
PDg Predicate description generation batch_69e46d2aa72c8190a40854a7a52081e2 completed April 19, 2026, 5:50 a.m.
Created at: April 10, 2026, 11:35 a.m.