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Online Social Networks: Measurement, Analysis, and Applications to Distributed Information Systems

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Online Social Networks: Measurement, Analysis, and Applications to Distributed Information Systems ( online-social-networks-measurement-analysis-and-applications )

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Web. 9.2 PeerSpective Our discussion above suggests that (a) a growing body of Internet content cannot be retrieved by traditional Web search as it is not well-connected to the hyperlinked Web, and that (b) social network links can be leveraged to improve the quality of search results. To explore this potential, we designed, built, and deployed the Peer- Spective system. In this section, we describe the design of PeerSpective and discuss our experimental results. 9.2.1 Design PeerSpective is designed as a lightweight HTTP proxy. Thus, each PeerSpective user configures their Web browser to use PeerSpective as a HTTP proxy, which allows PeerSpective to observe the content of pages that the client browses to. PeerSpective decodes these pages, parses out the text for know document formats (currently HTML and PDF), and then indexes the documents with the enclosed text. When the user performs a Google search, the proxy transparently forwards the query to both Google, as normal, as well as the PeerSpective proxies of other users in the social network. Each proxy (including the user’s local proxy) executes the query on the local index and returns the result to the sender. The results are then collated and presented alongside the Google results as shown 204

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