Triple
T14518073
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bangalore Metro |
E340575
|
entity |
| Predicate | rollingStockManufacturer |
P27543
|
FINISHED |
| Object | BEML |
E340581
|
NE FINISHED |
How this triple was built (2 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: [Bangalore Metro, rollingStockManufacturer, BEML]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BEML Context triple: [Bangalore Metro, rollingStockManufacturer, BEML]
-
A.
BEML
chosen
BEML is an Indian public sector engineering company that manufactures rail and metro rolling stock, construction equipment, and defense products.
-
B.
Hindustan Construction Company
Hindustan Construction Company is a major Indian infrastructure and engineering firm known for executing large-scale projects such as bridges, highways, and power plants.
-
C.
L&T Heavy Engineering
L&T Heavy Engineering is a division of Larsen & Toubro that specializes in designing and manufacturing complex, mission-critical engineered products and systems for sectors such as oil & gas, power, nuclear, and defense.
-
D.
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.
-
E.
Tata Engineering and Locomotive Company
Tata Engineering and Locomotive Company was the original name of Tata Motors, a major Indian automotive manufacturer known for producing commercial and passenger vehicles.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d822d9c0408190b9a2b3643e58bb4d |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69de9a6f50208190b687b505f5cd1aa2 |
completed | April 14, 2026, 7:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd6da80dc88190afa96760efb0c7de |
completed | May 8, 2026, 4:59 a.m. |
Created at: April 10, 2026, 1:22 a.m.