Triple
T2756677
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Baltimore–Washington metropolitan area |
E61116
|
entity |
| Predicate | hasTransportationInfrastructure |
P385
|
FINISHED |
| Object | Baltimore Metro Subway |
E31267
|
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: Baltimore Metro Subway | Statement: [Baltimore–Washington metropolitan area, hasTransportationInfrastructure, Baltimore Metro Subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Baltimore Metro Subway Context triple: [Baltimore–Washington metropolitan area, hasTransportationInfrastructure, Baltimore Metro Subway]
-
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.
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.
-
D.
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.
-
E.
Washington Metro Red Line
The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
- 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_69ab4b7a85bc819094a349b84beb1f2c |
completed | March 6, 2026, 9:47 p.m. |
| NER | Named-entity recognition | batch_69abdb8a292c8190ab3982434805241a |
completed | March 7, 2026, 8:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b12dfe893c81909c79ea6cffb5bae6 |
completed | March 11, 2026, 8:55 a.m. |
Created at: March 6, 2026, 9:56 p.m.