Displaying results 1 - 7 of 7
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Towards Linking Anonymous Authorship in Casual Sexual Encounter Ads
Content Type: Abstract
The increasing use of the Internet to arrange sexual encounters presents challenges to public health agencies formulating STD interventions, particularly in the context of anonymous encounters. These encounters complicate or break traditional… read more… ads seeking sexual encounters from the classifieds website Craigslist and presented a way of linking multiple … ads. By matching phone numbers of this type across all ads, we can create a corpus of ad clusters known to be … of anonymous, sex-seeking ads found on the classifieds website Craigslist. This corpus is then used to validate an … -
Changes in Alcohol-Related Travel Behavior due to an Under 21 Ordinance
Content Type: Abstract
Alcohol abuse is one of the major leading causes of preventable mortality in the United States. Binge drinking or excessive alcohol consumption, categorized as a pattern of drinking that brings a person's blood alcohol concentration to 0.08, has… read more… a volatile mix of college students and non locals of all ages. Objective To study alcohol-related arrests … area. Document Changes_In_Alcohol_Related_Travel_Behavior_Due_To_An_Under_21_Ordinance.pdf 5 views Submitted by elamb … ing a volatile mix of college students and nonlocals of all ages. Methods Arrest records were obtained from the … -
Changes in the Spatial Distribution of Syphilis
Content Type: Abstract
Public health officials and epidemiologists have been attempting to eradicate syphilis for decades, but national incidence rates are again on the rise. It has been suggested that the syphilis epidemic in the US is a "rare example of unforced,… read more… be attributed to "endogenous" factors or whether it is due to exogenous factors such as behavioral changes (e.g., … adjacent to highways. The hypothesis was that this may be due truck drivers and prostitution, and/or the emerging … be attributed to ‘endogenous’ factors or whether it is due to exogenous factors such as behavioral changes (e.g., … -
Inferring Travel from Social Media
Content Type: Abstract
The spread of infectious diseases is facilitated by human travel. Infectious diseases are often introduced into a population by travelers and then spread among susceptible individuals. Likewise uninfected susceptible travelers can move into… read more… air, train, or subway traffic) as well as census data, all in an effort to better understand the spread of … media application that permits users to "check-in" (i.e., record their current location at stores, restaurants, … permitting all non-commercial use, distribution, and reproduction in … -
Comparing Methods for Sentinel Surveillance Site Placement
Content Type: Abstract
Influenza-like illness (ILI) data is collected via an Influenza Sentinel Provider Surveillance Network at the state level. Because participation is voluntary, locations of the sentinel providers may not reflect optimal geographic placement. This… read more… algorithms with respect to outbreak intensity and timing (i.e., being able to capture the start, peak and end of the … algorithms with respect to outbreak intensity and timing (i.e., being able to capture the start, peak and end of the … permitting all non-commercial use, distribution, and reproduction in … -
Who Should We Be Listening to? Applying Models of User Authority to Detecting Emerging Topics on the EIN
Content Type: Abstract
Emerging event detection is the process of automatically identifying novel and emerging ideas from text with minimal human intervention. With the rise of social networks like Twitter, topic detection has begun leveraging measures of user influence… read more… each author's contribution to the semantic energy of all terms occurring in within some interval ti. A decay … each author’s contribution to the semantic energy of all terms occurring in within some interval ti. A decay … of authority: (1) (emerging topic detection) ETD uniform (i.e., equal weight); (2) ETD PageRank; and (3) bellwether. … -
Evaluating the performance of two alternative geographic surveillance schemes
Content Type: Abstract
Influenza-like illness (ILI) data is collected by an Influenza Sentinel Provider Surveillance Network at the state (Iowa, USA) level. Historically, the Iowa Department of Public Health has maintained 19 different influenza sentinel… read more… implemented in the web calculator choose ‘better’ sites de novo for Iowa than the existing 19 sites hand-picked by the IDPH. First, we generated 19 sites de novo using each algorithm. Then, we used 8 years of … for each probability function. The 19 sites calculated de novo using the K-median model capture 3.3% more cases …