Triple
T14063342
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lahore Metrobus |
E338399
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Punjab Mass Transit Authority
The Punjab Mass Transit Authority is a government agency in Pakistan responsible for planning, operating, and regulating large-scale urban public transport systems such as bus rapid transit networks.
|
E1077637
|
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: Punjab Mass Transit Authority | Statement: [Lahore Metrobus, operator, Punjab Mass Transit Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Punjab Mass Transit Authority Context triple: [Lahore Metrobus, operator, Punjab Mass Transit Authority]
-
A.
Lahore Metrobus
Lahore Metrobus is a bus rapid transit system in Lahore, Pakistan, providing high-capacity, dedicated-corridor public transportation across the city.
-
B.
Sindh Transport and Mass Transit Department
The Sindh Transport and Mass Transit Department is the provincial government body responsible for planning, regulating, and developing public transport and mass transit systems in Pakistan’s Sindh province.
-
C.
Islamabad Metrobus
Islamabad Metrobus is a bus rapid transit system serving Islamabad and Rawalpindi, providing high-capacity, dedicated-lane public transportation across key urban corridors.
-
D.
Delhi Transport Corporation
Delhi Transport Corporation is the main state-run bus service operator in Delhi, providing public transportation across the city and surrounding regions.
-
E.
Delhi Metro Rail Corporation
Delhi Metro Rail Corporation is the state-owned company responsible for planning, constructing, and operating the Delhi Metro rapid transit system in 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: Punjab Mass Transit Authority Triple: [Lahore Metrobus, operator, Punjab Mass Transit Authority]
Generated description
The Punjab Mass Transit Authority is a government agency in Pakistan responsible for planning, operating, and regulating large-scale urban public transport systems such as bus rapid transit networks.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Punjab Mass Transit Authority Target entity description: The Punjab Mass Transit Authority is a government agency in Pakistan responsible for planning, operating, and regulating large-scale urban public transport systems such as bus rapid transit networks.
-
A.
Lahore Metrobus
Lahore Metrobus is a bus rapid transit system in Lahore, Pakistan, providing high-capacity, dedicated-corridor public transportation across the city.
-
B.
Sindh Transport and Mass Transit Department
The Sindh Transport and Mass Transit Department is the provincial government body responsible for planning, regulating, and developing public transport and mass transit systems in Pakistan’s Sindh province.
-
C.
Islamabad Metrobus
Islamabad Metrobus is a bus rapid transit system serving Islamabad and Rawalpindi, providing high-capacity, dedicated-lane public transportation across key urban corridors.
-
D.
Delhi Transport Corporation
Delhi Transport Corporation is the main state-run bus service operator in Delhi, providing public transportation across the city and surrounding regions.
-
E.
Delhi Metro Rail Corporation
Delhi Metro Rail Corporation is the state-owned company responsible for planning, constructing, and operating the Delhi Metro rapid transit system in 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_69d81c67ba6c819091935650dfb3b895 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de568876308190840361dcaf10bd45 |
completed | April 14, 2026, 3 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb6673de881909653c7691422b800 |
completed | May 7, 2026, 3:57 p.m. |
| NEDg | Description generation | batch_69fcc3b8aea881909b11a4671314810e |
completed | May 7, 2026, 4:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcc450fea881909e3b5bbd96469a8b |
completed | May 7, 2026, 4:56 p.m. |
Created at: April 9, 2026, 10:21 p.m.