Triple
T12059952
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Baltimore rail network |
E287140
|
entity |
| Predicate | hasPassengerService |
P849
|
FINISHED |
| Object | Baltimore Metro SubwayLink (heavy rail) |
E31267
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Baltimore Metro SubwayLink (heavy rail) | Statement: [Baltimore rail network, hasPassengerService, Baltimore Metro SubwayLink (heavy rail)]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Baltimore Metro SubwayLink (heavy rail) Context triple: [Baltimore rail network, hasPassengerService, Baltimore Metro SubwayLink (heavy rail)]
-
A.
Baltimore Metro SubwayLink
chosen
The Baltimore Metro SubwayLink is a rapid transit subway system serving Baltimore, Maryland, providing high-capacity rail service along a primary east–west corridor through the city and into surrounding areas.
-
B.
Baltimore Light Rail
Baltimore Light Rail is a regional light rail transit system serving Baltimore, Maryland, and its surrounding suburbs.
-
C.
Baltimore rail network
The Baltimore rail network is the interconnected system of freight and passenger rail lines serving the Baltimore, Maryland metropolitan area, linking the city to regional and national rail corridors.
-
D.
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.
-
E.
BaltimoreLink
BaltimoreLink is a bus-based public transit system in the Baltimore region that provides redesigned, high-frequency and neighborhood bus services connecting riders across the broader Baltimore–Washington metropolitan area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d6ab4780948190bdb9f7620c2ac27e |
elicitation | completed |
| NER | batch_69d9043dbccc8190bf9da181f826f0d8 |
ner | completed |
| NED1 | batch_69f5f651641c8190bfd1d4d228a36209 |
ned_source_triple | completed |
Created at: April 8, 2026, 9:47 p.m.