In order to return relevant search results, a search engine must keep its local repository synchronized to the Web, but it is usually impossible to attain perfect freshness. Hence...
Internet search engines have become an indispensable part of everyday living and business today. Although the capabilities of Internet search engines are incrementally improving s...
The success of the Semantic Web crucially depends on the existence of Web pages that provide machine-understandable meta-data. This meta-data is typically added in the semantic an...
Given that commercial search engines cover billions of web pages, efficiently managing the corresponding volumes of disk-resident data needed to answer user queries quickly is a f...
Abstract— The current approach in web searching, i.e., centralized search engines, rises issues that question their future applicability: 1) coverage and scalability, 2) freshnes...