Triple
T18747409
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mumbai Central railway division |
E458438
|
entity |
| Predicate | hasMajorStation |
P1071
|
FINISHED |
| Object |
Nandurbar railway station
Nandurbar railway station is a key rail hub in Maharashtra, India, serving the town of Nandurbar and surrounding regions with passenger and express train connectivity.
|
E1341289
|
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: Nandurbar railway station | Statement: [Mumbai Central railway division, hasMajorStation, Nandurbar railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nandurbar railway station Context triple: [Mumbai Central railway division, hasMajorStation, Nandurbar railway station]
-
A.
Narsinghpur railway station
Narsinghpur railway station is a regional rail transit hub serving the town of Narsinghpur in the Indian state of Madhya Pradesh.
-
B.
Pandharpur railway station
Pandharpur railway station is a regional rail hub in Maharashtra, India, serving the pilgrimage town of Pandharpur and connecting it to other cities in the state.
-
C.
Nanded railway station
Nanded railway station is a major rail hub in Maharashtra, India, serving the city of Nanded with regional and long-distance passenger train services.
-
D.
Ratnagiri railway station
Ratnagiri railway station is a key railhead on the Konkan Railway line in Maharashtra, India, serving the coastal city of Ratnagiri and its surrounding region.
-
E.
Baramati railway station
Baramati railway station is a regional rail hub in Baramati, Maharashtra, serving as a key point of connectivity for passengers and goods in the area.
- 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: Nandurbar railway station Triple: [Mumbai Central railway division, hasMajorStation, Nandurbar railway station]
Generated description
Nandurbar railway station is a key rail hub in Maharashtra, India, serving the town of Nandurbar and surrounding regions with passenger and express train connectivity.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nandurbar railway station Target entity description: Nandurbar railway station is a key rail hub in Maharashtra, India, serving the town of Nandurbar and surrounding regions with passenger and express train connectivity.
-
A.
Narsinghpur railway station
Narsinghpur railway station is a regional rail transit hub serving the town of Narsinghpur in the Indian state of Madhya Pradesh.
-
B.
Pandharpur railway station
Pandharpur railway station is a regional rail hub in Maharashtra, India, serving the pilgrimage town of Pandharpur and connecting it to other cities in the state.
-
C.
Nanded railway station
Nanded railway station is a major rail hub in Maharashtra, India, serving the city of Nanded with regional and long-distance passenger train services.
-
D.
Ratnagiri railway station
Ratnagiri railway station is a key railhead on the Konkan Railway line in Maharashtra, India, serving the coastal city of Ratnagiri and its surrounding region.
-
E.
Baramati railway station
Baramati railway station is a regional rail hub in Baramati, Maharashtra, serving as a key point of connectivity for passengers and goods in the area.
- 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_69d8d394dc308190b6725073f5db324c |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e576936cf08190b3c0d2f4e8a616fc |
completed | April 20, 2026, 12:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a053d330ff48190b090399fe726383d |
completed | May 14, 2026, 3:10 a.m. |
| NEDg | Description generation | batch_6a053e216ce0819093f0e9e9b707fca8 |
completed | May 14, 2026, 3:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a053ed266a481908dc9ff85e1d7cf4f |
completed | May 14, 2026, 3:17 a.m. |
Created at: April 10, 2026, 11:51 a.m.