Triple
T8807458
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Howrah–Nagpur–Mumbai line |
E209568
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Mumbai CSMT
Mumbai CSMT is a historic and major railway terminus in Mumbai, India, renowned for its Victorian Gothic architecture and role as one of the country’s busiest transport hubs.
|
E759435
|
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: Mumbai CSMT | Statement: [Howrah–Nagpur–Mumbai line, terminus, Mumbai CSMT]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mumbai CSMT Context triple: [Howrah–Nagpur–Mumbai line, terminus, Mumbai CSMT]
-
A.
Mumbai Central
Mumbai Central is a major railway terminus in Mumbai, India, serving as a key hub for long-distance and suburban train services on the Western Railway network.
-
B.
Secunderabad Junction
Secunderabad Junction is one of the major railway hubs in South India, serving as a key transit and operations center for the Hyderabad metropolitan region.
-
C.
Pune Junction
Pune Junction is a major railway station and transport hub serving the city of Pune in the Indian state of Maharashtra.
-
D.
Mambai
Mambai is an Austronesian language spoken primarily in East Timor, where it is one of the country’s major indigenous languages.
-
E.
Chandigarh Junction
Chandigarh Junction is a major railway station in the Indian city of Chandigarh, serving as a key rail hub connecting northern India with numerous regional and long-distance routes.
- 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: Mumbai CSMT Triple: [Howrah–Nagpur–Mumbai line, terminus, Mumbai CSMT]
Generated description
Mumbai CSMT is a historic and major railway terminus in Mumbai, India, renowned for its Victorian Gothic architecture and role as one of the country’s busiest transport hubs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mumbai CSMT Target entity description: Mumbai CSMT is a historic and major railway terminus in Mumbai, India, renowned for its Victorian Gothic architecture and role as one of the country’s busiest transport hubs.
-
A.
Mumbai Central
Mumbai Central is a major railway terminus in Mumbai, India, serving as a key hub for long-distance and suburban train services on the Western Railway network.
-
B.
Secunderabad Junction
Secunderabad Junction is one of the major railway hubs in South India, serving as a key transit and operations center for the Hyderabad metropolitan region.
-
C.
Pune Junction
Pune Junction is a major railway station and transport hub serving the city of Pune in the Indian state of Maharashtra.
-
D.
Mambai
Mambai is an Austronesian language spoken primarily in East Timor, where it is one of the country’s major indigenous languages.
-
E.
Chandigarh Junction
Chandigarh Junction is a major railway station in the Indian city of Chandigarh, serving as a key rail hub connecting northern India with numerous regional and long-distance routes.
- 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_69ca836320e48190b5cf585b90a322c4 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc5fd2fadc81908b27e9296885af2b |
completed | March 31, 2026, 11:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cf6fa0e4308190bd01c2d107c8c02d |
completed | April 3, 2026, 7:43 a.m. |
| NEDg | Description generation | batch_69cf718a6f2c81908f8b8d08a1437749 |
completed | April 3, 2026, 7:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cf7275fea08190b8999fb30663ff17 |
completed | April 3, 2026, 7:55 a.m. |
Created at: March 30, 2026, 6:45 p.m.