Triple
T8127490
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tehran Urban and Suburban Railway and Bus Company |
E189768
|
entity |
| Predicate | hasPublicTransportSystem |
P474
|
FINISHED |
| Object |
BRT
BRT is Tehran’s bus rapid transit system, providing high-capacity, dedicated-lane bus services across the city.
|
E714680
|
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: BRT | Statement: [Tehran Urban and Suburban Railway and Bus Company, hasPublicTransportSystem, BRT]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BRT Context triple: [Tehran Urban and Suburban Railway and Bus Company, hasPublicTransportSystem, BRT]
-
A.
BRT
BRT is the standard time zone used in much of eastern Brazil, including major cities like Brasília and Rio de Janeiro, typically three hours behind Coordinated Universal Time (UTC−3).
-
B.
BRT
BRT was the common abbreviation for the Brooklyn Rapid Transit Company, a major early 20th-century transit operator that helped develop Brooklyn’s subway and elevated rail system.
-
C.
Metropolitano BRT system
The Metropolitano BRT system is Lima’s main bus rapid transit network, featuring dedicated bus lanes and high-capacity articulated buses to provide faster, more efficient public transportation across the city.
-
D.
METRO bus rapid transit
METRO bus rapid transit is a high-frequency, limited-stop bus service in the Minneapolis–Saint Paul area designed to provide faster, more reliable transit similar to light rail.
-
E.
Rea Vaya bus rapid transit
Rea Vaya bus rapid transit is a bus rapid transit system in Johannesburg, South Africa, designed to provide fast, reliable public transport along dedicated lanes connecting major areas including Soweto and the city center.
- 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: BRT Triple: [Tehran Urban and Suburban Railway and Bus Company, hasPublicTransportSystem, BRT]
Generated description
BRT is Tehran’s bus rapid transit system, providing high-capacity, dedicated-lane bus services across the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BRT Target entity description: BRT is Tehran’s bus rapid transit system, providing high-capacity, dedicated-lane bus services across the city.
-
A.
BRT
BRT is the standard time zone used in much of eastern Brazil, including major cities like Brasília and Rio de Janeiro, typically three hours behind Coordinated Universal Time (UTC−3).
-
B.
BRT
BRT was the common abbreviation for the Brooklyn Rapid Transit Company, a major early 20th-century transit operator that helped develop Brooklyn’s subway and elevated rail system.
-
C.
Metropolitano BRT system
The Metropolitano BRT system is Lima’s main bus rapid transit network, featuring dedicated bus lanes and high-capacity articulated buses to provide faster, more efficient public transportation across the city.
-
D.
METRO bus rapid transit
METRO bus rapid transit is a high-frequency, limited-stop bus service in the Minneapolis–Saint Paul area designed to provide faster, more reliable transit similar to light rail.
-
E.
Rea Vaya bus rapid transit
Rea Vaya bus rapid transit is a bus rapid transit system in Johannesburg, South Africa, designed to provide fast, reliable public transport along dedicated lanes connecting major areas including Soweto and the city center.
- 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_69ca82bb74848190afb1f18640632c10 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb438ff4e08190a9af0f3e6401c9b2 |
completed | March 31, 2026, 3:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cc947303f881908e16af664fb74dc8 |
completed | April 1, 2026, 3:43 a.m. |
| NEDg | Description generation | batch_69cca83322748190bdd532552d972089 |
completed | April 1, 2026, 5:08 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cca913304c8190a0ce9c468d98269f |
completed | April 1, 2026, 5:11 a.m. |
Created at: March 30, 2026, 5:34 p.m.