Tim Petersen

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Visualization techniques have proven to be critical in helping crime analysis. By interviewing and observing Criminal Intelligence Officers (CIO) and civilian crime analysts at the Tucson Police Department (TPD), we found that two types of tasks are important for crime analysis: crime pattern recognition and criminal association discovery. We developed two(More)
BACKGROUND Serious alcohol-related negative consequences are associated with a number of drinking behaviors among college students. Thus, it is critical to identify students who are at greater risk for hazardous drinking. Although some studies have shown that depressive symptoms may be associated with alcohol use in this population, findings are not(More)
COPLINK: Visualization for Crime Analysis Hsinchun Chen, Homa Atabakhsh, Tim Petersen*, Jenny Schroeder*, Ty Buetow, Luis Chaboya, Chris O’Toole, Michael Chau, Tom Cushna, Dan Casey*, Zan Huang University of Arizona, AI Lab {hchen, homa@bpa.arizona.edu} http://ai.bpa.arizona.edu/ *Tucson Police Dept. Abstract We have applied various visualization techniques(More)
Identity resolution is central to fighting against crime and terrorist activities in various ways. Current information systems and technologies deployed in law enforcement agencies are neither adequate nor effective for identity resolution. In this research we conducted a case study in a local police department on problems that produce difficulties in(More)
BACKGROUND In 1997, the Advisory Committee on Immunization Practices (ACIP) recommended a switch from oral polio vaccine (OPV) to inactivated polio vaccine (IPV) for the first two infant doses. The ACIP also recommended use of diphtheria, tetanus, and acellular pertussis vaccine (DTaP) for infants. These recommendations resulted in two additional injections(More)
India has reached the final stage of polio eradication. The polio partnership in India, under the leadership of the Government of India, mounted tremendous response to the outbreak. The progress since 2003 is the most significant in the history of polio eradication in India. Surveillance sensitivity was increased to reach the goal for polio eradication.(More)
Funded by the National Institute of Justice and the National Science Foundation, the University of Arizona's Artificial Intelligence Lab has teamed with the Tucson Police Department (TPD) and the Phoenix Police Department (PPD) to develop the COPLINK application. The COPLINK project aims to develop knowledge management systems technologies and methodology(More)