Triple
T5288121
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Central Railway zone |
E119673
|
entity |
| Predicate | hasLocoShed |
P18851
|
FINISHED |
| Object |
Tughlakabad electric loco shed (jurisdictional association)
Tughlakabad electric loco shed (jurisdictional association) is an Indian Railways electric locomotive maintenance and stabling facility operating under the jurisdiction of the North Central Railway zone.
|
E508049
|
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: Tughlakabad electric loco shed (jurisdictional association) | Statement: [North Central Railway zone, hasLocoShed, Tughlakabad electric loco shed (jurisdictional association)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tughlakabad electric loco shed (jurisdictional association) Context triple: [North Central Railway zone, hasLocoShed, Tughlakabad electric loco shed (jurisdictional association)]
-
A.
Gyaspur Depot
Gyaspur Depot is a major maintenance and stabling facility serving the Ahmedabad Metro system in Ahmedabad, India.
-
B.
Wimco Nagar depot
Wimco Nagar depot is a maintenance and stabling facility serving the northern stretch of the Chennai Metro network in Chennai, India.
-
C.
Delhi division of Northern Railway
The Delhi division of Northern Railway is a major administrative and operational railway division in northern India that manages rail services and infrastructure across the Delhi region and surrounding areas.
-
D.
Hoshangabad railway station
Hoshangabad railway station is a regional rail transit hub serving the city of Hoshangabad (Narmadapuram) in Madhya Pradesh, India, on the main Delhi–Chennai railway route.
-
E.
Wadala Depot
Wadala Depot is a key station and maintenance hub on the Mumbai Monorail network, serving the Wadala area of Mumbai, 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: Tughlakabad electric loco shed (jurisdictional association) Triple: [North Central Railway zone, hasLocoShed, Tughlakabad electric loco shed (jurisdictional association)]
Generated description
Tughlakabad electric loco shed (jurisdictional association) is an Indian Railways electric locomotive maintenance and stabling facility operating under the jurisdiction of the North Central Railway zone.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tughlakabad electric loco shed (jurisdictional association) Target entity description: Tughlakabad electric loco shed (jurisdictional association) is an Indian Railways electric locomotive maintenance and stabling facility operating under the jurisdiction of the North Central Railway zone.
-
A.
Gyaspur Depot
Gyaspur Depot is a major maintenance and stabling facility serving the Ahmedabad Metro system in Ahmedabad, India.
-
B.
Wimco Nagar depot
Wimco Nagar depot is a maintenance and stabling facility serving the northern stretch of the Chennai Metro network in Chennai, India.
-
C.
Delhi division of Northern Railway
The Delhi division of Northern Railway is a major administrative and operational railway division in northern India that manages rail services and infrastructure across the Delhi region and surrounding areas.
-
D.
Hoshangabad railway station
Hoshangabad railway station is a regional rail transit hub serving the city of Hoshangabad (Narmadapuram) in Madhya Pradesh, India, on the main Delhi–Chennai railway route.
-
E.
Wadala Depot
Wadala Depot is a key station and maintenance hub on the Mumbai Monorail network, serving the Wadala area of Mumbai, 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_69bd446de5648190b313a90bd96730d2 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd91aab9348190a373b30bb305f933 |
completed | March 20, 2026, 6:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf06ecf4748190ab2bdd672f4ab14d |
completed | March 21, 2026, 9 p.m. |
| NEDg | Description generation | batch_69bf090aa7c88190a66694cec6d6a370 |
completed | March 21, 2026, 9:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf09d3b8148190b79bdf3cb77000b4 |
completed | March 21, 2026, 9:12 p.m. |
Created at: March 20, 2026, 1:52 p.m.