National Data Exchange
E130972
The National Data Exchange (N-DEx) is a nationwide information-sharing system that allows law enforcement agencies to search, link, and analyze criminal justice data from multiple jurisdictions.
All labels observed (2)
| Label | Occurrences |
|---|---|
| National Data Exchange canonical | 2 |
| Law Enforcement National Data Exchange Program | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1133717 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Data Exchange Context triple: [FBI Criminal Justice Information Services Division, manages, National Data Exchange]
-
A.
National Tracing Center
The National Tracing Center is the primary U.S. facility responsible for tracing firearms used in crimes to support law enforcement investigations nationwide.
-
B.
National Transit Database
The National Transit Database is the primary federal repository of financial, operational, and asset data on U.S. public transportation systems, used for planning, oversight, and funding decisions.
-
C.
Humanitarian Data Exchange
Humanitarian Data Exchange is an open humanitarian data platform that enables organizations to share, discover, and use data for crisis preparedness and response.
-
D.
Open Data Index
Open Data Index is a global initiative that evaluates and ranks the openness and accessibility of government data across countries.
-
E.
National Reporter System
The National Reporter System is a comprehensive set of regional and specialized case law reporters published by West that organizes and publishes judicial opinions from courts across the United States.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: National Data Exchange Target entity description: The National Data Exchange (N-DEx) is a nationwide information-sharing system that allows law enforcement agencies to search, link, and analyze criminal justice data from multiple jurisdictions.
-
A.
National Tracing Center
The National Tracing Center is the primary U.S. facility responsible for tracing firearms used in crimes to support law enforcement investigations nationwide.
-
B.
National Transit Database
The National Transit Database is the primary federal repository of financial, operational, and asset data on U.S. public transportation systems, used for planning, oversight, and funding decisions.
-
C.
Humanitarian Data Exchange
Humanitarian Data Exchange is an open humanitarian data platform that enables organizations to share, discover, and use data for crisis preparedness and response.
-
D.
Open Data Index
Open Data Index is a global initiative that evaluates and ranks the openness and accessibility of government data across countries.
-
E.
National Reporter System
The National Reporter System is a comprehensive set of regional and specialized case law reporters published by West that organizes and publishes judicial opinions from courts across the United States.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
criminal justice information system
ⓘ
federal database ⓘ law enforcement information-sharing system ⓘ |
| accessControl | restricted to authorized criminal justice users ⓘ |
| benefit |
enhances investigative efficiency
ⓘ
improves officer safety ⓘ supports crime prevention ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dataSource |
federal law enforcement agencies
ⓘ
local law enforcement agencies ⓘ state law enforcement agencies ⓘ |
| dataType |
arrest records
ⓘ
booking records ⓘ case information ⓘ incident reports ⓘ probation and parole information ⓘ warrants ⓘ |
| designedFor |
multi-jurisdictional investigations
ⓘ
pattern and trend analysis ⓘ |
| domain | criminal justice ⓘ |
| goal |
enable discovery of relationships among people, places, and events
ⓘ
provide a national repository of criminal justice data ⓘ |
| governedBy | federal privacy and security policies ⓘ |
| hasAbbreviation | N-DEx ⓘ |
| integration |
aggregates data from multiple jurisdictions
ⓘ
links records across agencies ⓘ |
| managingOrganization |
FBI Criminal Justice Information Services Division
ⓘ
surface form:
FBI CJIS Division
|
| operatedBy | Federal Bureau of Investigation ⓘ |
| partOf | FBI Criminal Justice Information Services Division ⓘ |
| primaryUsers |
criminal justice agencies
ⓘ
law enforcement agencies ⓘ |
| purpose |
criminal justice data analysis
ⓘ
cross-jurisdictional data linking ⓘ information sharing ⓘ |
| scope | nationwide ⓘ |
| securityClassification | law enforcement sensitive ⓘ |
| supports |
information sharing among federal agencies
ⓘ
information sharing among local agencies ⓘ information sharing among state agencies ⓘ information sharing among territorial agencies ⓘ information sharing among tribal agencies ⓘ |
| supportsFunction |
analyzing criminal justice information
ⓘ
linking criminal justice records ⓘ searching criminal justice data ⓘ |
| supportsUseCase |
background inquiries
ⓘ
case deconfliction ⓘ entity resolution ⓘ link analysis ⓘ officer safety checks ⓘ |
| technologyType | web-based system ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: National Data Exchange Description of subject: The National Data Exchange (N-DEx) is a nationwide information-sharing system that allows law enforcement agencies to search, link, and analyze criminal justice data from multiple jurisdictions.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.