Triple
T17658592
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hyundai Rotem |
E440188
|
entity |
| Predicate | notableProject |
P4
|
FINISHED |
| Object | Delhi Metro rolling stock |
—
|
NE NERFINISHED |
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: Delhi Metro rolling stock | Statement: [Hyundai Rotem, notableProject, Delhi Metro rolling stock]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Delhi Metro rolling stock Context triple: [Hyundai Rotem, notableProject, Delhi Metro rolling stock]
-
A.
E-series metro trains
E-series metro trains are an earlier generation of Soviet-designed electric multiple units that served as a foundational model for later metro rolling stock across various Eastern European and former Soviet cities.
-
B.
Delhi Metro
chosen
Delhi Metro is a rapid transit system serving Delhi and its surrounding metropolitan region, known for its extensive network, modern infrastructure, and role in easing urban congestion.
-
C.
Delhi suburban railway
The Delhi suburban railway is a commuter rail network serving Delhi and its surrounding regions, providing frequent local train services that connect residential, commercial, and industrial areas across the National Capital Region.
-
D.
Pesa trains
Pesa trains are modern electric multiple units manufactured by the Polish company Pesa, used as part of the rolling stock on systems such as the Sofia Metro.
-
E.
Airport Express Line (Delhi Metro)
The Airport Express Line of the Delhi Metro is a high-speed rail corridor connecting central Delhi with Indira Gandhi International Airport, designed to provide fast and convenient airport access.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b9e87e18819087104a44dc4dc5b1 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e46ea3b4cc81908eec7032cf221d49 |
completed | April 19, 2026, 5:56 a.m. |
Created at: April 10, 2026, 9:37 a.m.