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Full-Text Articles in Criminology

Comparing Methods For Detecting Child Exploitation Content Online, Bryce Westlake, Martin Bouchard, Richard Frank Jan 2012

Comparing Methods For Detecting Child Exploitation Content Online, Bryce Westlake, Martin Bouchard, Richard Frank

Bryce Garreth Westlake

The sexual exploitation of children online is seen as a global issue and has been addressed by both governments and private organizations. Efforts thus far have focused primarily on the use of image hash value databases to find content. However, recently researchers have begun to use keywords as a way to detect child exploitation content. Within the current study we explore both of these methodologies. Using a custom designed web-crawler, we create three networks using the hash value method, keywords method, and a hybrid method combining the first two. Results first show that the three million images found in our …


Comparing Methods For Detecting Child Exploitation Content Online, Bryce Westlake, Martin Bouchard, Richard Frank Jan 2012

Comparing Methods For Detecting Child Exploitation Content Online, Bryce Westlake, Martin Bouchard, Richard Frank

Faculty Publications

The sexual exploitation of children online is seen as a global issue and has been addressed by both governments and private organizations. Efforts thus far have focused primarily on the use of image hash value databases to find content. However, recently researchers have begun to use keywords as a way to detect child exploitation content. Within the current study we explore both of these methodologies. Using a custom designed web-crawler, we create three networks using the hash value method, keywords method, and a hybrid method combining the first two. Results first show that the three million images found in our …