Triple
T214643
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 2009 Red Line collision |
E4791
|
entity |
| Predicate | emergencyResponseBy |
P1509
|
FINISHED |
| Object |
District of Columbia Fire and Emergency Medical Services Department
The District of Columbia Fire and Emergency Medical Services Department is the municipal agency responsible for providing fire protection, emergency medical care, and rescue services throughout Washington, D.C.
|
E28300
|
NE FINISHED |
How this triple was built (5 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: District of Columbia Fire and Emergency Medical Services Department | Statement: [2009 Red Line collision, emergencyResponseBy, District of Columbia Fire and Emergency Medical Services Department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: District of Columbia Fire and Emergency Medical Services Department Context triple: [2009 Red Line collision, emergencyResponseBy, District of Columbia Fire and Emergency Medical Services Department]
-
A.
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.
-
B.
Fairfax County Fire and Rescue Department
The Fairfax County Fire and Rescue Department is the primary agency providing fire protection, emergency medical services, and rescue operations for Fairfax County, Virginia, one of the largest and most populous jurisdictions in the Washington, D.C. metropolitan area.
-
C.
Government of the District of Columbia
The Government of the District of Columbia is the municipal administration responsible for governing Washington, D.C., providing local services and implementing laws for the U.S. capital.
-
D.
Fairfax County Police Department
The Fairfax County Police Department is the primary local law enforcement agency responsible for public safety and policing services in Fairfax County, Virginia.
-
E.
United States Capitol Police
The United States Capitol Police is a federal law enforcement agency responsible for protecting the U.S. Capitol complex, its members, staff, and visitors, and for maintaining security and order on Capitol grounds.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: District of Columbia Fire and Emergency Medical Services Department Triple: [2009 Red Line collision, emergencyResponseBy, District of Columbia Fire and Emergency Medical Services Department]
Generated description
The District of Columbia Fire and Emergency Medical Services Department is the municipal agency responsible for providing fire protection, emergency medical care, and rescue services throughout Washington, D.C.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: District of Columbia Fire and Emergency Medical Services Department Target entity description: The District of Columbia Fire and Emergency Medical Services Department is the municipal agency responsible for providing fire protection, emergency medical care, and rescue services throughout Washington, D.C.
-
A.
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.
-
B.
Fairfax County Fire and Rescue Department
The Fairfax County Fire and Rescue Department is the primary agency providing fire protection, emergency medical services, and rescue operations for Fairfax County, Virginia, one of the largest and most populous jurisdictions in the Washington, D.C. metropolitan area.
-
C.
Government of the District of Columbia
The Government of the District of Columbia is the municipal administration responsible for governing Washington, D.C., providing local services and implementing laws for the U.S. capital.
-
D.
Fairfax County Police Department
The Fairfax County Police Department is the primary local law enforcement agency responsible for public safety and policing services in Fairfax County, Virginia.
-
E.
United States Capitol Police
The United States Capitol Police is a federal law enforcement agency responsible for protecting the U.S. Capitol complex, its members, staff, and visitors, and for maintaining security and order on Capitol grounds.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: emergencyResponseBy Context triple: [2009 Red Line collision, emergencyResponseBy, District of Columbia Fire and Emergency Medical Services Department]
-
A.
hasEmergencyServices
Indicates that the subject provides or is equipped with emergency response services (such as police, fire, or medical assistance).
-
B.
enactedInResponseTo
Indicates that one action, policy, or measure was carried out as a direct reaction to a specific prior event, condition, or stimulus.
-
C.
triggered
Indicates that one entity causes an event, action, or process involving another entity to start or occur.
-
D.
fireRescue
Indicates a relationship where one entity performs or is responsible for rescuing people or property from fires or fire-related emergencies involving another entity.
-
E.
attendedBy
chosen
Indicates that an event, place, or activity is participated in or visited by a particular person or group.
- F. None of above.
Provenance (6 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_69a2575cb1dc8190a01ad332426dc339 |
completed | Feb. 28, 2026, 2:47 a.m. |
| NER | Named-entity recognition | batch_69a25dcd2b208190855d5d8d70a3acfc |
completed | Feb. 28, 2026, 3:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a34d935eb48190a6f327ae77917d2c |
completed | Feb. 28, 2026, 8:18 p.m. |
| NEDg | Description generation | batch_69a34e06b8488190b361506c261baab6 |
completed | Feb. 28, 2026, 8:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a34e63883c81908aa5d8d907c37720 |
completed | Feb. 28, 2026, 8:21 p.m. |
| PD | Predicate disambiguation | batch_69a25b52190481908f299d26122bafd2 |
completed | Feb. 28, 2026, 3:04 a.m. |
Created at: Feb. 28, 2026, 2:52 a.m.