Triple
T19056994
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vande Bharat Express |
E466422
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Integral Coach Factory, Chennai |
—
|
NE NERFINISHED |
How this triple was built (3 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: Integral Coach Factory, Chennai | Statement: [Vande Bharat Express, manufacturer, Integral Coach Factory, Chennai]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Integral Coach Factory, Chennai Context triple: [Vande Bharat Express, manufacturer, Integral Coach Factory, Chennai]
-
A.
INS Chennai
INS Chennai is an Indian Navy guided-missile destroyer known for its advanced stealth features and powerful multi-role combat capabilities.
-
B.
Peenya depot
Peenya depot is a major maintenance and stabling facility serving Bengaluru’s Namma Metro system.
-
C.
Tata Advanced Systems
Tata Advanced Systems is an Indian aerospace and defense manufacturing company specializing in high-technology solutions and strategic partnerships for military and civilian applications.
-
D.
Tata Elxsi
Tata Elxsi is an Indian design and technology services company specializing in product engineering, embedded systems, and digital solutions across industries such as automotive, broadcast, and healthcare.
-
E.
Godrej Platinum Bangalore
Godrej Platinum Bangalore is a premium residential apartment project in Bangalore developed by Godrej Properties, known for its upscale amenities and contemporary design.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Integral Coach Factory, Chennai Target entity description: Integral Coach Factory, Chennai is one of India’s largest and oldest railway coach manufacturing units, renowned for producing modern train sets including the Vande Bharat Express.
-
A.
INS Chennai
INS Chennai is an Indian Navy guided-missile destroyer known for its advanced stealth features and powerful multi-role combat capabilities.
-
B.
Peenya depot
Peenya depot is a major maintenance and stabling facility serving Bengaluru’s Namma Metro system.
-
C.
Tata Advanced Systems
Tata Advanced Systems is an Indian aerospace and defense manufacturing company specializing in high-technology solutions and strategic partnerships for military and civilian applications.
-
D.
Tata Elxsi
Tata Elxsi is an Indian design and technology services company specializing in product engineering, embedded systems, and digital solutions across industries such as automotive, broadcast, and healthcare.
-
E.
Godrej Platinum Bangalore
Godrej Platinum Bangalore is a premium residential apartment project in Bangalore developed by Godrej Properties, known for its upscale amenities and contemporary design.
- F. None of above. chosen
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_69d8dd040fb881909af2a964f65ad208 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5dc067f788190b3b149dfee370435 |
completed | April 20, 2026, 7:55 a.m. |
Created at: April 10, 2026, 12:03 p.m.