Triple
T4300718
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lawrence station |
E99828
|
entity |
| Predicate | zoneSystem |
P2160
|
FINISHED |
| Object | MBTA fare zones |
E193934
|
NE FINISHED |
How this triple was built (2 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: MBTA fare zones | Statement: [Lawrence station, zoneSystem, MBTA fare zones]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA fare zones Context triple: [Lawrence station, zoneSystem, MBTA fare zones]
-
A.
MBTA Commuter Rail fare zones
chosen
MBTA Commuter Rail fare zones are a distance-based pricing system that divides stations into concentric zones around Boston to determine commuter rail ticket and pass costs.
-
B.
MBTA Commuter Rail Zone 1A
MBTA Commuter Rail Zone 1A is the innermost fare zone of the Boston-area commuter rail system, covering central city stations with the lowest commuter rail fares.
-
C.
MBTA AFC 2.0
MBTA AFC 2.0 is the Massachusetts Bay Transportation Authority’s next-generation automated fare collection system designed to modernize how riders pay for and access public transit across Greater Boston.
-
D.
MBTA customer service locations
MBTA customer service locations are official transit agency offices and kiosks where riders can get assistance, manage fare products, and resolve issues related to Boston’s public transportation system.
-
E.
MBTA Zone 1
MBTA Zone 1 is a commuter rail fare zone in the Massachusetts Bay Transportation Authority system that covers near-suburban stations just outside central Boston.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69b345528ebc8190b5abc7e95094792d |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b3509fb2b88190a13ab88a5b924052 |
completed | March 12, 2026, 11:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5c74a1a7c8190a69a82a8a2a38db9 |
completed | March 14, 2026, 8:38 p.m. |
Created at: March 12, 2026, 11:08 p.m.