Triple
T14082277
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai Egmore railway station |
E338895
|
entity |
| Predicate | isMajorPassengerRailHubIn |
P1071
|
FINISHED |
| Object | Tamil Nadu |
E33506
|
NE FINISHED |
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: Tamil Nadu | Statement: [Chennai Egmore railway station, isMajorPassengerRailHubIn, Tamil Nadu]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tamil Nadu Context triple: [Chennai Egmore railway station, isMajorPassengerRailHubIn, Tamil Nadu]
-
A.
Tamil Nadu
chosen
Tamil Nadu is a state in southern India known for its rich Dravidian cultural heritage, classical arts, and major urban centers like Chennai.
-
B.
Kerala
Kerala is a coastal state in southwestern India known for its backwaters, high literacy rate, distinctive Malayalam culture, and strong traditions in art, Ayurveda, and religious diversity.
-
C.
Andhra Pradesh
Andhra Pradesh is a state in southeastern India known for its long coastline along the Bay of Bengal, Telugu-speaking population, and major cities such as Visakhapatnam and Vijayawada.
-
D.
Malenadu
Malenadu is a lush, hilly region of the Western Ghats in Karnataka, India, known for its dense forests, heavy rainfall, and rich cultural heritage.
-
E.
Karnataka
Karnataka is a state in southwestern India known for its diverse languages and cultures, major tech hub Bengaluru, and rich historical and architectural heritage.
- 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: isMajorPassengerRailHubIn Context triple: [Chennai Egmore railway station, isMajorPassengerRailHubIn, Tamil Nadu]
-
A.
hasMajorRailwayStation
chosen
Indicates that a place contains or is served by a principal railway station that functions as a major hub for rail transport.
-
B.
capitalCityIsMajorTransportHub
Indicates that the capital city functions as a primary hub for transportation networks, with significant connectivity and traffic across major transport modes.
-
C.
isTransportCenterOf
Indicates that a location functions as a primary hub or central node for transportation activities serving another area or network.
-
D.
hasPassengerRailConnection
Indicates that there exists a passenger rail service linking one location or transport node to another.
-
E.
hasMajorCityHub
Indicates that an entity contains or is associated with a primary, high-importance city that functions as a central hub for activity, services, or connectivity.
- F. None of above.
Provenance (4 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_69d81c687b0c819087fd9ed4198403f8 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5c5f759c81909bfd60ab35b0937b |
completed | April 14, 2026, 3:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcdef3f31c8190a2fc3eed316756d6 |
completed | May 7, 2026, 6:50 p.m. |
| PD | Predicate disambiguation | batch_69de05b0e6c88190a819eeba0028981f |
completed | April 14, 2026, 9:15 a.m. |
Created at: April 9, 2026, 10:21 p.m.