I wanted to revisit the taxi data example that I previously blogged about.  I had a 6GB file of 16 million taxi pickup locations and 260...

Sure you can solve it with a few for loops,  inserting the results into a new table, but that really is a hassle.  Also, I have to do it...

Today my students got to present some of their work at the Maryland Geographic Information Committee Quarterly meeting.  On Monday we...

This summer I am working with three talented undergraduates as part of a National Science Foundation (NSF) program called Research...

Once again, I am continuing my role as a mentor in a National Science Foundation (NSF) Research Experience for Undergraduate program....

Many of you know that I have been working with parallel processing for GIS in the form of video card general purpose, graphical...

My good friend Stuart Hamilton gave me a fun conundrum to try out. He has a file of province boundaries (400 areas) and lidar derived...

Following up on my previous post with ArcGIS and the Near Table, I created an SQL query in Manifold 8 to do both the near distances and...

In addition to SQL, I also am interested in processing large volumes of spatial data.  One of the newest rages in “big data” is Hadoop....