Triple
T6968734
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thiruvananthapuram |
E161550
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Thiruvananthapuram Central railway station
Thiruvananthapuram Central railway station is the main and busiest railway hub of Kerala’s capital city, serving as a key terminus for long-distance and regional trains in southern India.
|
E632220
|
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: Thiruvananthapuram Central railway station | Statement: [Thiruvananthapuram, hasRailwayStation, Thiruvananthapuram Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thiruvananthapuram Central railway station Context triple: [Thiruvananthapuram, hasRailwayStation, Thiruvananthapuram Central railway station]
-
A.
Kozhikode railway station
Kozhikode railway station is a major rail hub in the Indian state of Kerala, serving the coastal city of Kozhikode (Calicut) with extensive regional and long-distance train connections.
-
B.
Kannur railway station
Kannur railway station is a major rail hub in the North Malabar region of Kerala, India, serving the city of Kannur with long-distance and regional train connections.
-
C.
Kalady railway station
Kalady railway station is a local rail transit stop serving the town of Kalady in the Ernakulam district of Kerala, India.
-
D.
Tirupati railway station
Tirupati railway station is a major rail hub in Andhra Pradesh, India, serving as the primary gateway for pilgrims visiting the famous Tirumala Venkateswara Temple.
-
E.
Mangaluru Junction
Mangaluru Junction is a major railway junction in the coastal city of Mangalore, Karnataka, serving as an important hub for regional and long-distance train services in southwestern India.
- 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: Thiruvananthapuram Central railway station Triple: [Thiruvananthapuram, hasRailwayStation, Thiruvananthapuram Central railway station]
Generated description
Thiruvananthapuram Central railway station is the main and busiest railway hub of Kerala’s capital city, serving as a key terminus for long-distance and regional trains in southern India.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Thiruvananthapuram Central railway station Target entity description: Thiruvananthapuram Central railway station is the main and busiest railway hub of Kerala’s capital city, serving as a key terminus for long-distance and regional trains in southern India.
-
A.
Kozhikode railway station
Kozhikode railway station is a major rail hub in the Indian state of Kerala, serving the coastal city of Kozhikode (Calicut) with extensive regional and long-distance train connections.
-
B.
Kannur railway station
Kannur railway station is a major rail hub in the North Malabar region of Kerala, India, serving the city of Kannur with long-distance and regional train connections.
-
C.
Kalady railway station
Kalady railway station is a local rail transit stop serving the town of Kalady in the Ernakulam district of Kerala, India.
-
D.
Tirupati railway station
Tirupati railway station is a major rail hub in Andhra Pradesh, India, serving as the primary gateway for pilgrims visiting the famous Tirumala Venkateswara Temple.
-
E.
Mangaluru Junction
Mangaluru Junction is a major railway junction in the coastal city of Mangalore, Karnataka, serving as an important hub for regional and long-distance train services in southwestern India.
- 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_69c68853cff881908439d488924a8283 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6db152b2081909271493a5d1469fb |
completed | March 27, 2026, 7:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7619ada248190941ddf3b13cf3a74 |
completed | March 28, 2026, 5:05 a.m. |
| NEDg | Description generation | batch_69c76251647c8190b0c30d4aa8301f8c |
completed | March 28, 2026, 5:08 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c762d1be208190ae5831c2a5e5655c |
completed | March 28, 2026, 5:10 a.m. |
Created at: March 27, 2026, 2:30 p.m.