Tang, Tim; Hawking, David; Craswell, Nick; Griffiths, Kathleen
Subject-specific search facilities on health sites are usually built using manual inclusion and exclusion rules. These can be expensive to maintain and often provide incomplete coverage of Web resources. On the other hand, health information obtained through whole-of-Web search may not be scientifically based and can be potentially harmful. To address problems of cost, coverage and quality, we built a focused crawler for the mental health topic of depression, which was able to selectively fetch...[Show more]
Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.