document: Design and implementation of contextual information portals This paper presents a system for enabling offline web use to satisfy the information needs of disconnected communities . We describe the design , implementation , evaluation , and pilot deployment of an automated mechanism to construct Contextual Information Portals ( CIPs ) . CIPs are large searchable information repositories of web pages tailored to the information needs of a target population . We combine an efficient classifier with a focused crawler to gather the web pages for the portal for any given topic . Given a set of topics of interest , our system constructs a CIP containing the most relevant pages from the web across these topics . Using several secondary school course syllabi , we demonstrate the effectiveness of our system for constructing CIPs for use as an education resource . We evaluate our system across several metrics : classification accuracy , crawl scalability , crawl accuracy and harvest rate . We describe the utility and usability of our system based on a preliminary deployment study at an after-school program in India , and also outline our ongoing larger-scale pilot deployment at five schools in Kenya .
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