Triple

T18457952
Position Surface form Disambiguated ID Type / Status
Subject Sharpless 2-275 E450952 entity
Predicate emitsStronglyIn P10551 FINISHED
Object H-alpha
H-alpha is a specific deep-red spectral emission line of hydrogen widely used in astronomy to study ionized gas regions, star formation, and solar activity.
 E1325153 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: H-alpha | Statement: [Sharpless 2-275, emitsStronglyIn, H-alpha]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: H-alpha
Context triple: [Sharpless 2-275, emitsStronglyIn, H-alpha]
  • A. Schisgal
    Schisgal is the surname of Murray Schisgal, an American playwright and screenwriter best known for co-writing the film "Tootsie."
  • B. Saha
    Saha is a surname most notably associated with Indian astrophysicist Meghnad Saha, known for the Saha ionization equation in stellar astrophysics.
  • C. Saha
    Saha is a small town in the Ambala district of the northern Indian state of Haryana, known primarily as a local commercial and transport hub for surrounding rural areas.
  • D. Hertzsprung
    Hertzsprung is a surname most notably associated with Danish astronomer Ejnar Hertzsprung, co-creator of the Hertzsprung–Russell diagram fundamental to stellar astrophysics.
  • E. Alpha Eridani
    Alpha Eridani, traditionally known as Achernar, is a bright, rapidly rotating blue-white star marking the southern end of the constellation Eridanus.
  • 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: H-alpha
Triple: [Sharpless 2-275, emitsStronglyIn, H-alpha]
Generated description
H-alpha is a specific deep-red spectral emission line of hydrogen widely used in astronomy to study ionized gas regions, star formation, and solar activity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: H-alpha
Target entity description: H-alpha is a specific deep-red spectral emission line of hydrogen widely used in astronomy to study ionized gas regions, star formation, and solar activity.
  • A. Schisgal
    Schisgal is the surname of Murray Schisgal, an American playwright and screenwriter best known for co-writing the film "Tootsie."
  • B. Saha
    Saha is a surname most notably associated with Indian astrophysicist Meghnad Saha, known for the Saha ionization equation in stellar astrophysics.
  • C. Saha
    Saha is a small town in the Ambala district of the northern Indian state of Haryana, known primarily as a local commercial and transport hub for surrounding rural areas.
  • D. Hertzsprung
    Hertzsprung is a surname most notably associated with Danish astronomer Ejnar Hertzsprung, co-creator of the Hertzsprung–Russell diagram fundamental to stellar astrophysics.
  • E. Alpha Eridani
    Alpha Eridani, traditionally known as Achernar, is a bright, rapidly rotating blue-white star marking the southern end of the constellation Eridanus.
  • 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_69d8d38345688190b565eac2e4cd7935 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e52a7c18d88190ac17f58111722223 completed April 19, 2026, 7:18 p.m.
NED1 Entity disambiguation (via context triple) batch_6a040fe9a7748190b23d40466c3a314a completed May 13, 2026, 5:45 a.m.
NEDg Description generation batch_6a0412260e448190acf29d53559ab69d completed May 13, 2026, 5:54 a.m.
NED2 Entity disambiguation (via description) batch_6a04130734688190a2803c7037900269 completed May 13, 2026, 5:58 a.m.
Created at: April 10, 2026, 11:31 a.m.