Triple

T18771503
Position Surface form Disambiguated ID Type / Status
Subject NGC 1977 E459025 entity
Predicate near P350 FINISHED
Object NGC 1981
NGC 1981 is an open star cluster in the constellation Orion, visible to the naked eye and often observed as part of the Orion molecular cloud complex region.
E1355584 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: NGC 1981 | Statement: [NGC 1977, near, NGC 1981]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: NGC 1981
Context triple: [NGC 1977, near, NGC 1981]
  • A. NGC 1952
    NGC 1952 is a famous supernova remnant and pulsar wind nebula in the constellation Taurus, known for being the remains of a stellar explosion recorded in 1054 AD.
  • B. NGC 1977
    NGC 1977 is a bright reflection nebula and star-forming region located in the constellation Orion, often seen near the famous Orion Nebula as part of the same larger complex.
  • C. NGC 1973
    NGC 1973 is a reflection nebula in the constellation Orion, forming part of a bright nebular complex near the famous Orion Nebula.
  • D. NGC 1976
    NGC 1976, better known as the Orion Nebula (M42), is a bright, nearby emission nebula in the constellation Orion and one of the most studied stellar nurseries in the night sky.
  • E. NGC 6819
    NGC 6819 is a rich open star cluster located in the constellation Cygnus, notable for its intermediate age and importance in studies of stellar evolution.
  • 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: NGC 1981
Triple: [NGC 1977, near, NGC 1981]
Generated description
NGC 1981 is an open star cluster in the constellation Orion, visible to the naked eye and often observed as part of the Orion molecular cloud complex region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: NGC 1981
Target entity description: NGC 1981 is an open star cluster in the constellation Orion, visible to the naked eye and often observed as part of the Orion molecular cloud complex region.
  • A. NGC 1952
    NGC 1952 is a famous supernova remnant and pulsar wind nebula in the constellation Taurus, known for being the remains of a stellar explosion recorded in 1054 AD.
  • B. NGC 1977
    NGC 1977 is a bright reflection nebula and star-forming region located in the constellation Orion, often seen near the famous Orion Nebula as part of the same larger complex.
  • C. NGC 1973
    NGC 1973 is a reflection nebula in the constellation Orion, forming part of a bright nebular complex near the famous Orion Nebula.
  • D. NGC 1976
    NGC 1976, better known as the Orion Nebula (M42), is a bright, nearby emission nebula in the constellation Orion and one of the most studied stellar nurseries in the night sky.
  • E. NGC 6819
    NGC 6819 is a rich open star cluster located in the constellation Cygnus, notable for its intermediate age and importance in studies of stellar evolution.
  • 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_69d8d395dba0819087568404508590cb completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e59335a01881908731371be1e27a6b completed April 20, 2026, 2:45 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05c535981c8190909d422eda7cb174 completed May 14, 2026, 12:51 p.m.
NEDg Description generation batch_6a05c6de920081909fa458583f487acf completed May 14, 2026, 12:58 p.m.
NED2 Entity disambiguation (via description) batch_6a05c7b75140819085218f4dd5c74a66 completed May 14, 2026, 1:01 p.m.
Created at: April 10, 2026, 11:52 a.m.