Triple

T4967392
Position Surface form Disambiguated ID Type / Status
Subject STS-41-D E111559 entity
Predicate payload P12202 FINISHED
Object Syncom IV-2 (Leasat 2) communications satellite
Syncom IV-2 (Leasat 2) was a commercial communications satellite in the Leasat series, designed to provide satellite communications services for the U.S. Navy and other customers in geosynchronous orbit.
 E455438 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: Syncom IV-2 (Leasat 2) communications satellite | Statement: [STS-41-D, payload, Syncom IV-2 (Leasat 2) communications satellite]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Syncom IV-2 (Leasat 2) communications satellite
Context triple: [STS-41-D, payload, Syncom IV-2 (Leasat 2) communications satellite]
  • A. Telstar 3C communications satellite
    Telstar 3C was a commercial communications satellite launched in 1984 to provide telecommunications services, including television and data transmission, primarily over North America.
  • B. ANIK C2 communications satellite
    ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
  • C. SBS-4 communications satellite
    The SBS-4 communications satellite was a commercial telecommunications spacecraft operated by Satellite Business Systems to provide business-oriented communication services in North America.
  • D. Hughes Syncom communications satellites
    The Hughes Syncom communications satellites were pioneering early geosynchronous communications satellites developed by Hughes Aircraft Company that helped demonstrate and establish the feasibility of global satellite communications.
  • E. PALAPA B1 communications satellite
    PALAPA B1 was an Indonesian communications satellite launched in the early 1980s to expand the country's domestic and regional telecommunications capabilities.
  • 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: Syncom IV-2 (Leasat 2) communications satellite
Triple: [STS-41-D, payload, Syncom IV-2 (Leasat 2) communications satellite]
Generated description
Syncom IV-2 (Leasat 2) was a commercial communications satellite in the Leasat series, designed to provide satellite communications services for the U.S. Navy and other customers in geosynchronous orbit.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Syncom IV-2 (Leasat 2) communications satellite
Target entity description: Syncom IV-2 (Leasat 2) was a commercial communications satellite in the Leasat series, designed to provide satellite communications services for the U.S. Navy and other customers in geosynchronous orbit.
  • A. Telstar 3C communications satellite
    Telstar 3C was a commercial communications satellite launched in 1984 to provide telecommunications services, including television and data transmission, primarily over North America.
  • B. ANIK C2 communications satellite
    ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
  • C. SBS-4 communications satellite
    The SBS-4 communications satellite was a commercial telecommunications spacecraft operated by Satellite Business Systems to provide business-oriented communication services in North America.
  • D. Hughes Syncom communications satellites chosen
    The Hughes Syncom communications satellites were pioneering early geosynchronous communications satellites developed by Hughes Aircraft Company that helped demonstrate and establish the feasibility of global satellite communications.
  • E. PALAPA B1 communications satellite
    PALAPA B1 was an Indonesian communications satellite launched in the early 1980s to expand the country's domestic and regional telecommunications capabilities.
  • F. None of above.

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_69bd4419393c819086319a6fe4bf8542 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd71f8f550819099235511ca271e2d completed March 20, 2026, 4:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69be92489ae481909240f2ad20637649 completed March 21, 2026, 12:42 p.m.
NEDg Description generation batch_69be9466f7908190996e30c7c1e34595 completed March 21, 2026, 12:51 p.m.
NED2 Entity disambiguation (via description) batch_69be94c06bfc81908921472983592d8d completed March 21, 2026, 12:53 p.m.
Created at: March 20, 2026, 1:32 p.m.