Triple

T36764369
Position Surface form Disambiguated ID Type / Status
Subject PSLV E908293 entity
Predicate fourthStageEngine P186274 FINISHED
Object PS-4 engine
The PS-4 engine is the liquid-fueled upper-stage propulsion system used on India's Polar Satellite Launch Vehicle (PSLV) to perform precise orbital insertion and final trajectory adjustments.
 E2197912 NE FINISHED

How this triple was built (3 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: PS-4 engine | Statement: [PSLV, fourthStageEngine, PS-4 engine]
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: PS-4 engine
Triple: [PSLV, fourthStageEngine, PS-4 engine]
Generated description
The PS-4 engine is the liquid-fueled upper-stage propulsion system used on India's Polar Satellite Launch Vehicle (PSLV) to perform precise orbital insertion and final trajectory adjustments.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: fourthStageEngine
Context triple: [PSLV, fourthStageEngine, PS-4 engine]
  • A. fourthStageDescription
    Indicates that the predicate provides a textual explanation or details specifically about the fourth stage in a sequence, process, or progression.
  • B. coreStageEngineType
    Indicates the specific type or model of engine used in the core stage of a launch vehicle or rocket.
  • C. thirdStageEngineType
    Indicates the specific type or model of engine used in the third stage of a multi-stage launch vehicle or rocket.
  • D. firstStageEngine
    Indicates that an engine functions as the primary propulsion unit used in the first stage of a multi-stage launch vehicle or rocket.
  • E. fourthStagePropellant
    Indicates that the specified propellant is used in the fourth stage of a multi-stage rocket or launch vehicle.
  • F. None of above. chosen

Provenance (7 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_69f76e786ba481909cdcf6cf6b39dd32 completed May 3, 2026, 3:49 p.m.
NER Named-entity recognition batch_69f7cabacc1481909e839454ce1057f7 completed May 3, 2026, 10:22 p.m.
NED1 Entity disambiguation (via context triple) batch_6a3c17457a9c8190a756a4414170ec3a completed June 24, 2026, 5:43 p.m.
NEDg Description generation batch_6a3c49aa50f4819091bc6cfe25a2b162 completed June 24, 2026, 9:18 p.m.
NED2 Entity disambiguation (via description) batch_6a3c8827b2dc8190a01730e1903020ae completed June 25, 2026, 1:45 a.m.
PD Predicate disambiguation batch_69f7c8999a348190abc1895eaa6e036d completed May 3, 2026, 10:13 p.m.
PDg Predicate description generation batch_69f7c9f4c7c48190ba918d8d5dc8dfd9 completed May 3, 2026, 10:19 p.m.
Created at: May 3, 2026, 4:12 p.m.