big data

CptS 223 Advanced Data Structures (Java)

Instructor, Undergraduate level, Computer Science, Washington State University

Spatial-Net: A Self-Adaptive and Model-Agnostic Deep Learning Framework for Spatially Heterogeneous Datasets

Knowledge discovery from spatial data is essential for many important societal applications including crop monitoring, solar energy estimation, traffic prediction and public health. This paper aims to tackle a key challenge posed by spatial data – …

CptS 415 Big data

Instructor, Senior undergraduate level, Computer Science, Washington State University

CptS 223 Advanced Data Structures (C/C++)

Instructor, Undergraduate level, Computer Science, Washington State University

GeoSparkViz: A Cluster Computing System for Visualizing Massive-Scale Geospatial Data

In the last decade, geospatial data which is extracted from GPS traces and satellites image has become ubiquitous. GeoVisual analytics, abbr. GeoViz, is the science of analytical reasoning assisted by geospatial map interfaces. GeoViz involves two …

CptS 415 Big data

Instructor, Senior undergraduate level, Computer Science, Washington State University

Tabula in Action: A Sampling Middleware for Interactive Geospatial Visualization Dashboards

In this paper, we demonstrate Tabula, a middleware that sits between the data system and the geospatial visualization dashboard to increase user interactivity. The proposed system adopts a sampling cube approach that stores prematerialized spatial …

Dissecting GeoSparkSim: A Scalable Microscopic Road Network Traffic Simulator in Apache Spark

Researchers and practitioners have widely studied road network traffic data in different areas such as urban planning, traffic prediction and spatial-temporal databases. For instance, researchers use such data to evaluate the impact of road network …

Tabula

Tabula is a middleware that runs on top of a SQL data system with the purpose of increasing the interactivity of geospatial visualization dashboards.

Turbocharging Geospatial Visualization Dashboards via a Materialized Sampling Cube Approach

—In this paper, we present a middleware framework that runs on top of a SQL data system with the purpose of increasing the interactivity of geospatial visualization dashboards. The proposed system adopts a sampling cube approach that stores …