Triple
T16131990
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kurla railway station |
E391420
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | Central line of Mumbai Suburban Railway |
E268127
|
NE FINISHED |
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: Central line of Mumbai Suburban Railway | Statement: [Kurla railway station, servedByLine, Central line of Mumbai Suburban Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central line of Mumbai Suburban Railway Context triple: [Kurla railway station, servedByLine, Central line of Mumbai Suburban Railway]
-
A.
Central line (Mumbai Suburban Railway)
chosen
The Central line of the Mumbai Suburban Railway is one of the city’s primary commuter rail corridors, connecting the historic Chhatrapati Shivaji Maharaj Terminus with Mumbai’s eastern and northeastern suburbs.
-
B.
Mumbai Suburban Railway
The Mumbai Suburban Railway is a high-capacity commuter rail network that forms the backbone of public transport in the Mumbai metropolitan region, carrying millions of passengers daily across its extensive routes.
-
C.
Harbour line (Mumbai Suburban Railway)
The Harbour line of the Mumbai Suburban Railway is a key commuter rail corridor serving Mumbai’s eastern waterfront and suburban areas, connecting central city terminals with Navi Mumbai and other outlying regions.
-
D.
Mumbai–Kalyan–Kasara–Igatpuri line
The Mumbai–Kalyan–Kasara–Igatpuri line is a major suburban and long-distance railway corridor in Maharashtra, India, connecting Mumbai with its northeastern suburbs and the onward routes toward Nashik and central India.
-
E.
CSMT–Panvel line
The CSMT–Panvel line is a key suburban railway corridor in Mumbai’s Harbour Line network, connecting the city’s historic Chhatrapati Shivaji Maharaj Terminus with the fast-growing satellite city of Panvel.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d87f1bb0988190b490d273dbf3fd03 |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e21a02172c8190978f7951ccd80928 |
completed | April 17, 2026, 11:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fff2b1b7248190a1bba4a87db8318b |
completed | May 10, 2026, 2:51 a.m. |
Created at: April 10, 2026, 5:01 a.m.