Triple

T3246672
Position Surface form Disambiguated ID Type / Status
Subject Namma Metro E68080 entity
Predicate rollingStockManufacturer P27543 FINISHED
Object BEML
BEML is an Indian public sector engineering company that manufactures rail and metro rolling stock, construction equipment, and defense products.
E340581 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: BEML | Statement: [Namma Metro, rollingStockManufacturer, BEML]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BEML
Context triple: [Namma Metro, rollingStockManufacturer, BEML]
  • A. Iscor
    Iscor was a major South African steel and mining company that played a central role in the country’s industrial development before being restructured and absorbed into ArcelorMittal South Africa.
  • B. Bharat Heavy Electricals Limited, Tiruchirappalli
    Bharat Heavy Electricals Limited, Tiruchirappalli is a major manufacturing complex of India’s state-owned engineering and power equipment company, known especially for producing boilers and heavy power plant components.
  • C. Bharat Electronics Limited
    Bharat Electronics Limited is an Indian state-owned aerospace and defence electronics company that designs, develops, and manufactures advanced electronic systems for the armed forces and other government agencies.
  • D. Garden Reach Shipbuilders & Engineers
    Garden Reach Shipbuilders & Engineers is an Indian state-owned shipbuilding company based in Kolkata, primarily known for constructing warships and other naval vessels for the Indian Navy and Coast Guard.
  • E. Mishra Dhatu Nigam Limited
    Mishra Dhatu Nigam Limited is an Indian public sector company specializing in the manufacture of superalloys, special steels, and titanium alloys primarily for strategic sectors such as defence, space, and nuclear energy.
  • 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: BEML
Triple: [Namma Metro, rollingStockManufacturer, BEML]
Generated description
BEML is an Indian public sector engineering company that manufactures rail and metro rolling stock, construction equipment, and defense products.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BEML
Target entity description: BEML is an Indian public sector engineering company that manufactures rail and metro rolling stock, construction equipment, and defense products.
  • A. Iscor
    Iscor was a major South African steel and mining company that played a central role in the country’s industrial development before being restructured and absorbed into ArcelorMittal South Africa.
  • B. Bharat Heavy Electricals Limited, Tiruchirappalli
    Bharat Heavy Electricals Limited, Tiruchirappalli is a major manufacturing complex of India’s state-owned engineering and power equipment company, known especially for producing boilers and heavy power plant components.
  • C. Bharat Electronics Limited
    Bharat Electronics Limited is an Indian state-owned aerospace and defence electronics company that designs, develops, and manufactures advanced electronic systems for the armed forces and other government agencies.
  • D. Garden Reach Shipbuilders & Engineers
    Garden Reach Shipbuilders & Engineers is an Indian state-owned shipbuilding company based in Kolkata, primarily known for constructing warships and other naval vessels for the Indian Navy and Coast Guard.
  • E. Mishra Dhatu Nigam Limited
    Mishra Dhatu Nigam Limited is an Indian public sector company specializing in the manufacture of superalloys, special steels, and titanium alloys primarily for strategic sectors such as defence, space, and nuclear energy.
  • 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_69ad858e4c708190aa31d486cfee8a6a completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69adaf1c184c8190a43a3594decd0920 completed March 8, 2026, 5:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69b277639508819091390086a3c511d1 completed March 12, 2026, 8:20 a.m.
NEDg Description generation batch_69b2786c6bc88190bea732592426776d completed March 12, 2026, 8:25 a.m.
NED2 Entity disambiguation (via description) batch_69b27927308c81909c1dceb825eb1b81 completed March 12, 2026, 8:28 a.m.
Created at: March 8, 2026, 3:09 p.m.