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.