Triple
T18747729
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rajdhani Express |
E458446
|
entity |
| Predicate | firstRouteStart |
P61032
|
FINISHED |
| Object | Howrah Junction |
—
|
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: Howrah Junction | Statement: [Rajdhani Express, firstRouteStart, Howrah Junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah Junction Context triple: [Rajdhani Express, firstRouteStart, Howrah Junction]
-
A.
Howrah Junction railway station
chosen
Howrah Junction railway station is one of India’s busiest and oldest railway hubs, serving as a major gateway to Kolkata and eastern India.
-
B.
Howrah bus terminus
Howrah bus terminus is a major bus station in Howrah, West Bengal, serving as a key hub for regional and intercity road transport, especially in connection with the nearby Howrah railway station.
-
C.
Alipurduar Junction
Alipurduar Junction is a major railway junction in West Bengal, India, serving as an important gateway to the Dooars region and the northeastern states.
-
D.
Naihati Junction
Naihati Junction is a major railway junction in West Bengal, India, serving as an important suburban and regional rail hub in the Kolkata metropolitan area.
-
E.
Howrah Junction–Barddhaman Junction
Howrah Junction–Barddhaman Junction is a major suburban and intercity railway corridor in West Bengal, India, connecting Kolkata’s Howrah station with Barddhaman and serving numerous important stations along the route.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: firstRouteStart Context triple: [Rajdhani Express, firstRouteStart, Howrah Junction]
-
A.
firstRoutes
Indicates that one route or path is the initial or primary route taken or assigned among a set of possible routes.
-
B.
firstMajorRoute
Indicates that the specified route is the primary or earliest major route associated with an entity (such as a location, project, or network).
-
C.
standardRouteStartsFrom
Indicates that a standard or predefined route has its starting point at a specified location or entity.
-
D.
earlyRoute
Indicates that a route or path is taken or scheduled earlier than a standard, expected, or alternative route.
-
E.
mainStartingPoint
chosen
Indicates the primary location or position from which an event, process, or path begins.
- F. None of above.
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_69d8d394dc308190b6725073f5db324c |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e579e9903c81908180c46012bd0948 |
completed | April 20, 2026, 12:57 a.m. |
| PD | Predicate disambiguation | batch_69e48d03766c8190a43f7681842f4f8d |
completed | April 19, 2026, 8:06 a.m. |
Created at: April 10, 2026, 11:51 a.m.