Triple
T7120163
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Park Street metro station |
E165927
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
Kolkata Metro stations
Kolkata Metro stations are the network of rapid transit stops serving the city of Kolkata, India, as part of its urban metro rail system.
|
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 stations | Statement: [Park Street metro station, category, Kolkata Metro stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kolkata Metro stations Context triple: [Park Street metro station, category, Kolkata Metro 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.
New Delhi Metro station
New Delhi Metro station is a major interchange station on the Delhi Metro network that connects the metro system with the New Delhi Railway Station and the Airport Express Line.
-
C.
Dum Dum metro station
Dum Dum metro station is a major elevated station and northern terminus of Kolkata Metro Line 1, serving as an important interchange with suburban rail services in the Dum Dum area of Kolkata, India.
-
D.
Vaishali metro station
Vaishali metro station is a key Delhi Metro terminal station serving commuters in the Ghaziabad region of the National Capital Region.
-
E.
Dakshineswar railway station
Dakshineswar railway station is a suburban rail station in Kolkata, India, serving as a key access point for pilgrims and visitors traveling to the nearby Dakshineswar Kali Temple and surrounding areas.
- 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 stations Triple: [Park Street metro station, category, Kolkata Metro stations]
Generated description
Kolkata Metro stations are the network of rapid transit stops serving the city of Kolkata, India, as part of its urban metro rail system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kolkata Metro stations Target entity description: Kolkata Metro stations are the network of rapid transit stops serving the city of Kolkata, India, as part of its urban metro rail system.
-
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.
New Delhi Metro station
New Delhi Metro station is a major interchange station on the Delhi Metro network that connects the metro system with the New Delhi Railway Station and the Airport Express Line.
-
C.
Dum Dum metro station
Dum Dum metro station is a major elevated station and northern terminus of Kolkata Metro Line 1, serving as an important interchange with suburban rail services in the Dum Dum area of Kolkata, India.
-
D.
Vaishali metro station
Vaishali metro station is a key Delhi Metro terminal station serving commuters in the Ghaziabad region of the National Capital Region.
-
E.
Dakshineswar railway station
Dakshineswar railway station is a suburban rail station in Kolkata, India, serving as a key access point for pilgrims and visitors traveling to the nearby Dakshineswar Kali Temple and surrounding areas.
- 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_69c6888227bc8190a1394679e3116f90 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e61ca6a88190a0eb9f287e3b723c |
completed | March 27, 2026, 8:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7a32870e481909472f8fcd2501289 |
completed | March 28, 2026, 9:45 a.m. |
| NEDg | Description generation | batch_69c7a390cf6c8190902bdfd0ff536093 |
completed | March 28, 2026, 9:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7a4be1cbc8190a7e4eb91d604f994 |
completed | March 28, 2026, 9:51 a.m. |
Created at: March 27, 2026, 2:43 p.m.