Triple
T16691559
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Iztapalapa Metro station |
E405603
|
entity |
| Predicate | railwaySystem |
P522
|
FINISHED |
| Object |
Mexico City Metro rubber-tyred system
The Mexico City Metro rubber-tyred system is the network of metro lines in Mexico City that operates using rubber-tyred trains running on concrete rollways with guiding rails, providing high-capacity urban rapid transit across the metropolitan area.
|
E1229065
|
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: Mexico City Metro rubber-tyred system | Statement: [Iztapalapa Metro station, railwaySystem, Mexico City Metro rubber-tyred system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mexico City Metro rubber-tyred system Context triple: [Iztapalapa Metro station, railwaySystem, Mexico City Metro rubber-tyred system]
-
A.
Mexico City light rail
Mexico City light rail is a light rail transit system serving several southern districts of Mexico City, providing an intermediate-capacity link between the metro network and surface transport.
-
B.
Mexico City Metrobús
Mexico City Metrobús is a bus rapid transit (BRT) system that operates high-capacity articulated buses along dedicated lanes across Mexico City.
-
C.
Monterrey metropolitan public transport system
The Monterrey metropolitan public transport system is the integrated network of metro, buses, and other transit services that connects Monterrey with its surrounding municipalities in the metropolitan area.
-
D.
Guadalajara light rail system
The Guadalajara light rail system is an urban rapid transit network serving Mexico’s Guadalajara metropolitan area, providing high-capacity rail service along key corridors of the city.
-
E.
Mexico City integrated fare system
The Mexico City integrated fare system is a unified payment and ticketing scheme that allows passengers to use multiple public transport modes across the city with a single fare structure and card.
- 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: Mexico City Metro rubber-tyred system Triple: [Iztapalapa Metro station, railwaySystem, Mexico City Metro rubber-tyred system]
Generated description
The Mexico City Metro rubber-tyred system is the network of metro lines in Mexico City that operates using rubber-tyred trains running on concrete rollways with guiding rails, providing high-capacity urban rapid transit across the metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mexico City Metro rubber-tyred system Target entity description: The Mexico City Metro rubber-tyred system is the network of metro lines in Mexico City that operates using rubber-tyred trains running on concrete rollways with guiding rails, providing high-capacity urban rapid transit across the metropolitan area.
-
A.
Mexico City light rail
Mexico City light rail is a light rail transit system serving several southern districts of Mexico City, providing an intermediate-capacity link between the metro network and surface transport.
-
B.
Mexico City Metrobús
Mexico City Metrobús is a bus rapid transit (BRT) system that operates high-capacity articulated buses along dedicated lanes across Mexico City.
-
C.
Monterrey metropolitan public transport system
The Monterrey metropolitan public transport system is the integrated network of metro, buses, and other transit services that connects Monterrey with its surrounding municipalities in the metropolitan area.
-
D.
Guadalajara light rail system
The Guadalajara light rail system is an urban rapid transit network serving Mexico’s Guadalajara metropolitan area, providing high-capacity rail service along key corridors of the city.
-
E.
Mexico City integrated fare system
The Mexico City integrated fare system is a unified payment and ticketing scheme that allows passengers to use multiple public transport modes across the city with a single fare structure and card.
- 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_69d8838c28748190b3f5967c743940ab |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37ea99bac8190a6c559ed7b7d8ecd |
completed | April 18, 2026, 12:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0091984dcc8190b0b20d2e57bc3a11 |
completed | May 10, 2026, 2:09 p.m. |
| NEDg | Description generation | batch_6a0092244d788190b24f56f0b166dc20 |
completed | May 10, 2026, 2:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00929d803881908d0bb6c566cd112a |
completed | May 10, 2026, 2:13 p.m. |
Created at: April 10, 2026, 5:19 a.m.