Triple
T7640092
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rajshahi Railway Station |
E172977
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
Bangladesh Railway
Bangladesh Railway is the state-owned national rail transport agency of Bangladesh, responsible for operating and maintaining the country’s railway network.
|
E677813
|
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: Bangladesh Railway | Statement: [Rajshahi Railway Station, operatedBy, Bangladesh Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bangladesh Railway Context triple: [Rajshahi Railway Station, operatedBy, Bangladesh Railway]
-
A.
Dhaka Metro Rail
Dhaka Metro Rail is the rapid transit system serving Bangladesh’s capital, designed to reduce traffic congestion and improve urban mobility.
-
B.
Bandel–Katwa line
The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
-
C.
Sealdah–Bangaon railway line
The Sealdah–Bangaon railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Bangaon and serving numerous intermediate urban and suburban localities.
-
D.
Sealdah–Hasnabad railway line
The Sealdah–Hasnabad railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah with Hasnabad and serving numerous intermediate stations including Dum Dum.
-
E.
Howrah–Kharagpur railway line
The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
- 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: Bangladesh Railway Triple: [Rajshahi Railway Station, operatedBy, Bangladesh Railway]
Generated description
Bangladesh Railway is the state-owned national rail transport agency of Bangladesh, responsible for operating and maintaining the country’s railway network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bangladesh Railway Target entity description: Bangladesh Railway is the state-owned national rail transport agency of Bangladesh, responsible for operating and maintaining the country’s railway network.
-
A.
Dhaka Metro Rail
Dhaka Metro Rail is the rapid transit system serving Bangladesh’s capital, designed to reduce traffic congestion and improve urban mobility.
-
B.
Bandel–Katwa line
The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
-
C.
Sealdah–Bangaon railway line
The Sealdah–Bangaon railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Bangaon and serving numerous intermediate urban and suburban localities.
-
D.
Sealdah–Hasnabad railway line
The Sealdah–Hasnabad railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah with Hasnabad and serving numerous intermediate stations including Dum Dum.
-
E.
Howrah–Kharagpur railway line
The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
- 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_69c6995360188190968ee57b72a1627f |
completed | March 27, 2026, 2:50 p.m. |
| NER | Named-entity recognition | batch_69c6facc4b5481908697e662b0991e3f |
completed | March 27, 2026, 9:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c870cd11648190b9aeedadb7bc1981 |
completed | March 29, 2026, 12:22 a.m. |
| NEDg | Description generation | batch_69c872a531e08190b7488f576dcd7de4 |
completed | March 29, 2026, 12:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c873846a188190a3a1cc56ac247fb0 |
completed | March 29, 2026, 12:34 a.m. |
Created at: March 27, 2026, 3:57 p.m.