Triple
T7015804
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sector V, Salt Lake |
E162696
|
entity |
| Predicate | hasTransport |
P1298
|
FINISHED |
| Object |
Kolkata Metro Line 2 stations
Kolkata Metro Line 2 stations are the network of rapid transit stops serving the east–west corridor of Kolkata, connecting key areas such as Salt Lake’s Sector V with central and western parts of the city.
|
E162700
|
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: Kolkata Metro Line 2 stations | Statement: [Sector V, Salt Lake, hasTransport, Kolkata Metro Line 2 stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kolkata Metro Line 2 stations Context triple: [Sector V, Salt Lake, hasTransport, Kolkata Metro Line 2 stations]
-
A.
Kolkata Metro
Kolkata Metro is India’s oldest rapid transit system, serving as a major urban rail network for the city of Kolkata and its surrounding areas.
-
B.
Vaishali metro station
Vaishali metro station is a key Delhi Metro terminal station serving commuters in the Ghaziabad region of the National Capital Region.
-
C.
Janpath metro station
Janpath metro station is an underground station on Delhi Metro’s Violet Line serving the central Janpath area near Connaught Place in New Delhi, India.
-
D.
Mirzapur railway station
Mirzapur railway station is a key rail transit hub serving the city of Mirzapur in Uttar Pradesh, India, on major routes of the Indian Railways network.
-
E.
Chandannagar railway station
Chandannagar railway station is a suburban rail station in West Bengal, India, serving the town of Chandannagar on the Howrah–Bardhaman main line of the Kolkata Suburban Railway network.
- 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: Kolkata Metro Line 2 stations Triple: [Sector V, Salt Lake, hasTransport, Kolkata Metro Line 2 stations]
Generated description
Kolkata Metro Line 2 stations are the network of rapid transit stops serving the east–west corridor of Kolkata, connecting key areas such as Salt Lake’s Sector V with central and western parts of the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kolkata Metro Line 2 stations Target entity description: Kolkata Metro Line 2 stations are the network of rapid transit stops serving the east–west corridor of Kolkata, connecting key areas such as Salt Lake’s Sector V with central and western parts of the city.
-
A.
Kolkata Metro
chosen
Kolkata Metro is India’s oldest rapid transit system, serving as a major urban rail network for the city of Kolkata and its surrounding areas.
-
B.
Vaishali metro station
Vaishali metro station is a key Delhi Metro terminal station serving commuters in the Ghaziabad region of the National Capital Region.
-
C.
Janpath metro station
Janpath metro station is an underground station on Delhi Metro’s Violet Line serving the central Janpath area near Connaught Place in New Delhi, India.
-
D.
Mirzapur railway station
Mirzapur railway station is a key rail transit hub serving the city of Mirzapur in Uttar Pradesh, India, on major routes of the Indian Railways network.
-
E.
Chandannagar railway station
Chandannagar railway station is a suburban rail station in West Bengal, India, serving the town of Chandannagar on the Howrah–Bardhaman main line of the Kolkata Suburban Railway network.
- F. None of above.
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_69c6885a127c8190867b059bdccf13ff |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e1d43e948190843f1cef3ce2004e |
completed | March 27, 2026, 8 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c76a53e96081909dfe21a80b20f80d |
completed | March 28, 2026, 5:42 a.m. |
| NEDg | Description generation | batch_69c76b5301748190b0780ae20504f22c |
completed | March 28, 2026, 5:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c76c028448819099f05a39443a8789 |
completed | March 28, 2026, 5:49 a.m. |
Created at: March 27, 2026, 2:34 p.m.