Academic Interests
Natural language processing and artificial intelligence, especially semantic prediction, ontological engineering, and question answering.
Research Projects
Communication Analysis and Design Laboratory, Boston, MA
RSVP IconCHAT (2009 - Present)
Advisors: Dr. Rupal Patel and Dr. Deniz Erdogmus
Developing icon-based communication system using brain-computer interface; conducting research on discourse theory and semantic prediction via machine learning.
Technologies used: LabView, Matlab, NLTK, Python, WordNet
Advisors: Dr. Rupal Patel and Dr. Deniz Erdogmus
Developing icon-based communication system using brain-computer interface; conducting research on discourse theory and semantic prediction via machine learning.
Technologies used: LabView, Matlab, NLTK, Python, WordNet
Northeastern University College of Computer Science, Boston, MA
i2b2 NLP Shared Task: Medication Extraction Challenge (Summer 2009)
Advisor: Dr. Carole Hafner
One of three researchers who designed and implemented a system to infer medication information from loosely structured patient records.
Technologies used: NLTK, Orange Book, Python, RxNorm
Advisor: Dr. Carole Hafner
One of three researchers who designed and implemented a system to infer medication information from loosely structured patient records.
Technologies used: NLTK, Orange Book, Python, RxNorm
Seattle University Office of Institutional Research, Seattle, WA
Business Intelligence in Higher Education (2007 - 2008)
Advisor: Dr. Bob Duniway
Assisted Director of Institutional Research with analysis of business intelligence in higher education; worked on the design and documentation of a logical model to address enrollment management issues.
Advisor: Dr. Bob Duniway
Assisted Director of Institutional Research with analysis of business intelligence in higher education; worked on the design and documentation of a logical model to address enrollment management issues.
Space and Naval Warfare Systems Center, San Diego, CA
Robotics Technology Transfer Initiative (Summer 2007)
Advisor: Cmndr (Ret) H.R. "Bart" Everett
Conducted independent research in machine learning, cooperative behavior algorithms, and speech recognition; implemented significant improvements to existing vision functionality, especially object recognition.
Technologies used: C++/STL/Boost, DynaSpeak, iRobot Aware/RDK, JAUS, Linux, OpenCV, OpenGL, Player/Stage, CMU Sphinx, Subversion
Advisor: Cmndr (Ret) H.R. "Bart" Everett
Conducted independent research in machine learning, cooperative behavior algorithms, and speech recognition; implemented significant improvements to existing vision functionality, especially object recognition.
Technologies used: C++/STL/Boost, DynaSpeak, iRobot Aware/RDK, JAUS, Linux, OpenCV, OpenGL, Player/Stage, CMU Sphinx, Subversion
Boeing Integrated Defense Systems, Seattle, WA
Linux Cluster Management System (2005 - 2006)
Advisor: Dr. Roshanak Roshandel
One of six researchers who designed, implemented, and documented an intelligent node-allocation and resource scheduling system for distributed, high-capacity Linux clusters.
Technologies used: FreeBSD, GTK, Linux, Ruby, Subversion
Advisor: Dr. Roshanak Roshandel
One of six researchers who designed, implemented, and documented an intelligent node-allocation and resource scheduling system for distributed, high-capacity Linux clusters.
Technologies used: FreeBSD, GTK, Linux, Ruby, Subversion
Selected Publications
Duniway, Bob, and Karl Wiegand. "Using Dimensional Data to Address Enrollment Management Questions in Higher Education." College and University 84-4 (2009): 32-41.
Wiegand, Karl. "A Comparison of Accuracy Between DynaSpeak and Sphinx for Command of Unmanned Ground Vehicles at SPAWAR / SSC San Diego." Space and Naval Warfare Systems Center, SSC San Diego, United States Navy. San Diego, CA, 2007.
Wiegand, Karl, Reza Tehrani, and Edington Watt. "Linux Cluster Management with Ruby." Presented at the annual MSE Project Night for Seattle University, Seattle, WA, June 8, 2006.
Wiegand, Karl, and Matt Thompson. "Integrating with the Primavera SDK." Presented at the annual International Primavera User Conference, San Diego, CA, October 20-23, 2002.
Wiegand, Karl. "Purpose-Based Natural Language Processing: Guiding the Advancement of HMI." Undergraduate diss., University of Washington, 2002.
Wiegand, Karl. "A Comparison of Accuracy Between DynaSpeak and Sphinx for Command of Unmanned Ground Vehicles at SPAWAR / SSC San Diego." Space and Naval Warfare Systems Center, SSC San Diego, United States Navy. San Diego, CA, 2007.
Wiegand, Karl, Reza Tehrani, and Edington Watt. "Linux Cluster Management with Ruby." Presented at the annual MSE Project Night for Seattle University, Seattle, WA, June 8, 2006.
Wiegand, Karl, and Matt Thompson. "Integrating with the Primavera SDK." Presented at the annual International Primavera User Conference, San Diego, CA, October 20-23, 2002.
Wiegand, Karl. "Purpose-Based Natural Language Processing: Guiding the Advancement of HMI." Undergraduate diss., University of Washington, 2002.
