Triple
T3396204
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Georgia Avenue–Petworth station |
E71533
|
entity |
| Predicate | securityManagedBy |
P86
|
FINISHED |
| Object | WMATA Transit Police |
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 Transit Police | Statement: [Georgia Avenue–Petworth station, securityManagedBy, WMATA Transit Police]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: WMATA Transit Police Context triple: [Georgia Avenue–Petworth station, securityManagedBy, WMATA Transit Police]
-
A.
Washington Metrorail Safety Commission
The Washington Metrorail Safety Commission is an independent oversight agency responsible for monitoring, investigating, and enforcing safety practices across the Washington, D.C. region’s Metrorail transit system.
-
B.
Metropolitan Police Department of the District of Columbia
The Metropolitan Police Department of the District of Columbia is the primary law enforcement agency responsible for policing Washington, D.C., including its neighborhoods, major federal landmarks, and large-scale public events.
-
C.
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.
-
D.
Metropolitan Transit Police
The Metropolitan Transit Police is a specialized law enforcement agency responsible for ensuring safety and security across the public transit system within the Metropolitan Council’s jurisdiction.
-
E.
Arlington County Police Department
The Arlington County Police Department is the primary law enforcement agency responsible for public safety, crime prevention, and policing services within Arlington County, Virginia.
- 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_69ad85a9c4a88190a854019341cb3b60 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb856158c81908dd7d3f1f8d6af74 |
completed | March 8, 2026, 5:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b34bca95108190b39aad4ac06dbf58 |
completed | March 12, 2026, 11:27 p.m. |
Created at: March 8, 2026, 3:14 p.m.