Triple

T20547825
Position Surface form Disambiguated ID Type / Status
Subject Indian vehicle registration plate system E504517 entity
Predicate relatedTo P37 FINISHED
Object Bharat Stage emission norms
Bharat Stage emission norms are India’s government-mandated vehicle emission standards that regulate and progressively tighten permissible pollutant levels from automobiles to control air pollution.
E1437736 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: Bharat Stage emission norms | Statement: [Indian vehicle registration plate system, relatedTo, Bharat Stage emission norms]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bharat Stage emission norms
Context triple: [Indian vehicle registration plate system, relatedTo, Bharat Stage emission norms]
  • A. Euro 6
    Euro 6 is a stringent European Union vehicle emissions standard that limits pollutants such as nitrogen oxides and particulate matter from cars and light commercial vehicles.
  • B. UN Regulation No. 83 on emissions of M1 and N1 vehicles
    UN Regulation No. 83 is an international vehicle emissions standard that sets technical requirements and test procedures to limit pollutant emissions from light passenger (M1) and light commercial (N1) vehicles.
  • C. EPA Tier 5 (proposed or conceptual) emission standards
    EPA Tier 5 (proposed or conceptual) emission standards are anticipated future U.S. Environmental Protection Agency regulations that would further tighten allowable pollutant emissions from non-road and other engines beyond the limits set by Tier 4.
  • D. Euro III
    Euro III is a European Union vehicle emissions standard that tightened limits on pollutants from engines, particularly for heavy-duty vehicles like buses and trucks.
  • E. US EPA light-duty standards
    US EPA light-duty standards are federal regulations that set limits on emissions and fuel economy for passenger cars and light trucks sold in the United States.
  • 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: Bharat Stage emission norms
Triple: [Indian vehicle registration plate system, relatedTo, Bharat Stage emission norms]
Generated description
Bharat Stage emission norms are India’s government-mandated vehicle emission standards that regulate and progressively tighten permissible pollutant levels from automobiles to control air pollution.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bharat Stage emission norms
Target entity description: Bharat Stage emission norms are India’s government-mandated vehicle emission standards that regulate and progressively tighten permissible pollutant levels from automobiles to control air pollution.
  • A. Euro 6
    Euro 6 is a stringent European Union vehicle emissions standard that limits pollutants such as nitrogen oxides and particulate matter from cars and light commercial vehicles.
  • B. UN Regulation No. 83 on emissions of M1 and N1 vehicles
    UN Regulation No. 83 is an international vehicle emissions standard that sets technical requirements and test procedures to limit pollutant emissions from light passenger (M1) and light commercial (N1) vehicles.
  • C. EPA Tier 5 (proposed or conceptual) emission standards
    EPA Tier 5 (proposed or conceptual) emission standards are anticipated future U.S. Environmental Protection Agency regulations that would further tighten allowable pollutant emissions from non-road and other engines beyond the limits set by Tier 4.
  • D. Euro III
    Euro III is a European Union vehicle emissions standard that tightened limits on pollutants from engines, particularly for heavy-duty vehicles like buses and trucks.
  • E. US EPA light-duty standards
    US EPA light-duty standards are federal regulations that set limits on emissions and fuel economy for passenger cars and light trucks sold in the United States.
  • 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_69e0b4b52c048190952b4d0f430813a3 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a2991ac8819089b8c2d70eb88952 completed April 20, 2026, 10:03 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08a56f9a648190a5c22d31f2d149a7 completed May 16, 2026, 5:12 p.m.
NEDg Description generation batch_6a08a630ab70819082eeb53aa80bc7fd completed May 16, 2026, 5:15 p.m.
NED2 Entity disambiguation (via description) batch_6a08a6aad1bc8190a3c470c34d4434f6 completed May 16, 2026, 5:17 p.m.
Created at: April 16, 2026, 11:38 a.m.