Kathy McKeown Interviews Bonnie Webber

Bonnie Webber and Nick Webb

Questions are asked and answered every day. Question answering (QA) technology aims to deliver the same facility online. It goes further than the more familiar search based on keywords (as in Google, Yahoo, and other search engines), in attempting to recognize what a question expresses and to respond with an actual answer. This simplifies things for users in two ways. First, questions do not of...

Kathy Horadam: sixty

Kathy Horadam was born in 1951 in Armidale, Australia. Her BSc and PhD degrees, both in pure mathematics, are from the Australian National University. The major part of Kathy’s career has been at RMIT University, where she has been a professor of mathematics since 1995. Even though Kathy has worked in academia for 30 years, she has also undertaken defence research, working for three years in th...

Hugh Evans and Joan Webber

For Kathy and Elisabetta

Towers in Hurricane Bonnie

Helicity was calculated in Hurricane Bonnie (1998) using tropospheric-deep dropsonde soundings from the Convection and Moisture Experiment conducted by NASA. Large helicity existed downshear of the storm center with respect to the ambient vertical wind shear. It was associated with veering, semi-circular hodographs created by strong, vortex-scale, radial-vertical flow induced by the shear. The ...