Triple
T1639530
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mount Rainier, Maryland |
E35435
|
entity |
| Predicate | servedByTransit |
P82
|
FINISHED |
| Object | WMATA Metrobus |
E2776
|
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: WMATA Metrobus | Statement: [Mount Rainier, Maryland, servedByTransit, WMATA Metrobus]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: WMATA Metrobus Context triple: [Mount Rainier, Maryland, servedByTransit, WMATA Metrobus]
-
A.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
-
B.
Washington Metropolitan Area Transit Authority
chosen
The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
-
C.
Maryland Transit Administration
The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
-
D.
Fairfax Connector bus system
The Fairfax Connector bus system is a public transit network in Northern Virginia that provides local and commuter bus services throughout Fairfax County and surrounding areas.
-
E.
Arlington Transit bus service
Arlington Transit bus service is a local public bus system in Arlington, Virginia that provides neighborhood and commuter routes connecting areas such as Clarendon to key destinations across the county and regional transit network.
- 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_69a88604618c81908b41f6429c431eb6 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a90a1c2b148190b6610237d5bede10 |
completed | March 5, 2026, 4:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad79847cbc8190be99c66424034bce |
completed | March 8, 2026, 1:28 p.m. |
Created at: March 4, 2026, 7:28 p.m.