Katrina Ward
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View article: Artificial intelligence: An eye cast towards the mental health nursing horizon
Artificial intelligence: An eye cast towards the mental health nursing horizon Open
There has been an international surge towards online, digital, and telehealth mental health services, further amplified during COVID‐19. Implementation and integration of technological innovations, including artificial intelligence (AI), h…
View article: Identifying Disinformation Using Rhetorical Devices in Natural Language Models
Identifying Disinformation Using Rhetorical Devices in Natural Language Models Open
Foreign disinformation campaigns are strategically organized, extended efforts using disinformation – false or misleading information deliberately placed by an adversary – to achieve some goal. Disinformation campaigns pose severe threats …
View article: Relationship Extraction: Automatic Information Extraction and Organization for Supporting Analysts in Threat Assessment
Relationship Extraction: Automatic Information Extraction and Organization for Supporting Analysts in Threat Assessment Open
In order for analysts to be able to do their work, they sift through hundreds, thousands, or even millions of documents to make connections between entities of interest. This process is time consuming, tedious, and prone to potential error…
View article: Large-Scale Trajectory Analysis via Feature Vectors
Large-Scale Trajectory Analysis via Feature Vectors Open
The explosion of both sensors and GPS-enabled devices has resulted in position/time data being the next big frontier for data analytics. However, many of the problems associated with large numbers of trajectories do not necessarily have an…
View article: TAFI/Kebab End of Project Report
TAFI/Kebab End of Project Report Open
This report focuses on the two primary goals set forth in Sandia’s TAFI effort, referred to here under the name Kebab. The first goal is to overlay a trajectory onto a large database of historical trajectories, all with very different samp…
View article: Survey of Current State of the Art Entity-Relation Extraction Tools
Survey of Current State of the Art Entity-Relation Extraction Tools Open
In the area of information extraction from text data, there exists a number of tools with the capability of extracting entities, topics, and their relationships with one another from both structured and unstructured text sources. Such info…
View article: A Parallel Algorithm For Anonymizing Large-scale Trajectory Data
A Parallel Algorithm For Anonymizing Large-scale Trajectory Data Open
With the proliferation of location-based services enabled by a large number of mobile devices and applications, the quantity of location data, such as trajectories collected by service providers, is gigantic. If these datasets could be pub…
View article: TrackTable Trajectory Analysis
TrackTable Trajectory Analysis Open
Tracktable is designed for analysis and rendering of the trajectories of moving objects such as planes, trains, automobiles and ships. Its purpose is to operate on large sets of trajectories (millions) to help a user detect, analyze and di…
View article: Survey of Current State of the Art Entity-Relation Extraction Tools
Survey of Current State of the Art Entity-Relation Extraction Tools Open
In the realm of information extraction from text data, there exists a number of tools with the capability of extracting entities and their relationships with one another. Such information has endless uses in a number of domains, however, t…