Triple
T4571890
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dunn Loring–Merrifield station |
E123048
|
entity |
| Predicate | fareZoneSystem |
P395
|
FINISHED |
| Object |
flat fare (Washington Metro)
The flat fare in the Washington Metro is a simplified pricing system where riders pay a uniform fare regardless of travel distance or zones.
|
E454227
|
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: flat fare (Washington Metro) | Statement: [Dunn Loring–Merrifield station, fareZoneSystem, flat fare (Washington Metro)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: flat fare (Washington Metro) Context triple: [Dunn Loring–Merrifield station, fareZoneSystem, flat fare (Washington Metro)]
-
A.
MetroAccess
MetroAccess is a paratransit service providing door-to-door transportation for people with disabilities in the Washington, D.C. metropolitan area.
-
B.
MBTA CharlieTicket
MBTA CharlieTicket is a reusable paper fare card used for paying subway, bus, and commuter rail fares on the Massachusetts Bay Transportation Authority system.
-
C.
MetroRide
MetroRide is a free downtown Denver circulator bus service providing frequent, short-distance connections within the city center.
-
D.
Metro Express
Metro Express is a faster, limited-stop service operated as part of the broader Metro Bus public transportation system.
-
E.
MARTA Breeze fare system
The MARTA Breeze fare system is the electronic ticketing and payment platform used by Atlanta’s public transit network, enabling riders to pay fares via smart cards and mobile devices.
- 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: flat fare (Washington Metro) Triple: [Dunn Loring–Merrifield station, fareZoneSystem, flat fare (Washington Metro)]
Generated description
The flat fare in the Washington Metro is a simplified pricing system where riders pay a uniform fare regardless of travel distance or zones.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: flat fare (Washington Metro) Target entity description: The flat fare in the Washington Metro is a simplified pricing system where riders pay a uniform fare regardless of travel distance or zones.
-
A.
MetroAccess
MetroAccess is a paratransit service providing door-to-door transportation for people with disabilities in the Washington, D.C. metropolitan area.
-
B.
MBTA CharlieTicket
MBTA CharlieTicket is a reusable paper fare card used for paying subway, bus, and commuter rail fares on the Massachusetts Bay Transportation Authority system.
-
C.
MetroRide
MetroRide is a free downtown Denver circulator bus service providing frequent, short-distance connections within the city center.
-
D.
Metro Express
Metro Express is a faster, limited-stop service operated as part of the broader Metro Bus public transportation system.
-
E.
MARTA Breeze fare system
The MARTA Breeze fare system is the electronic ticketing and payment platform used by Atlanta’s public transit network, enabling riders to pay fares via smart cards and mobile devices.
- 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_69bd46466c7081909d07f36be2d08804 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd58c5afa48190bb8505e2cc16e89f |
completed | March 20, 2026, 2:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdd3cf5e10819099b2927c6f571673 |
completed | March 20, 2026, 11:10 p.m. |
| NEDg | Description generation | batch_69bdd7f1efd0819089410e63f853175b |
completed | March 20, 2026, 11:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bdd86be2c48190af8011a983f26b0d |
completed | March 20, 2026, 11:29 p.m. |
Created at: March 20, 2026, 1:10 p.m.