Yielding precise search answer set, information extraction of the Web and proposing more accurate ranking methods of Web pages are among the open issues in search engines research area due to the ever-growing and dynamic nature of the World Wide Web. Since the performance of any Web search engine regarding the quality of the search answer set and the appropriate ranking technique is highly depe...

Search engines save copies of crawled web pages to provide instant search results, saved pages may become old and un-updated as original pages change providing new information and new links, and most of websites don’t submit these new changes to search engines so search engines don’t depend mainly on websites techniques of submitting changes. Keeping pages fresh and updated in search engine is ...

Several popular and useful search engines—such as AltaVista, Excite, HotBot, Infoseek, Lycos, and Northern Light—attempt to maintain full-text indexes of the World Wide Web. However, relying on a single standard search engine has limitations. The standard search engines have limited coverage,1,2 outdated databases, and are sometimes unavailable due to problems with the network or the engine its...

The World Wide Web has become a key intermediary between producers and consumers of information. While the producers strive to increase visibility for their products, services, socio-political messages, etc., the consumers struggle to find reliable and relevant information. Web linkage structure has been exploited by contemporary search engines to decrease the search cost for consumers while us...

The premise of this paper is to scroll the various search engine optimization techniques which are used in solving problems associated while finding relevant information related to specific topic across the Internet. While carrying this review work the authors concentrated on various published research papers and finally concluded that Query Clustering, Sequential Pattern Mining and Page Rankin...

In this paper we present a new online search engine developed in Chile: Inquiro.CL. This new search engine lets users search the Latin-American web (specifically, ten Spanishspeaking countries) by specifying their search domain (.cl, .com.ar, .com.mx, and the rest of Latin America). The structure is based on a distributed architecture that manages two document collections. The first is a cache ...

Search engines are the most important tools for web data acquisition. Web pages are crawled and indexed by search Engines. Users typically locate useful web pages by querying a search engine. One of the challenges in search engines administration is spam pages which waste search engine resources. These pages by deception of search engine ranking algorithms try to be showed in the first page of ...

Web spam potentially causes three deleterious effects: unnecessary work for crawlers and search engines; diversion of traffic away from legitimate businesses; and annoyance to search engine users through poorer results. Past research on web spam has focused on spamming techniques, spam suppression techniques, and methods for classifying web content as spam or non-spam. Here we focus on the dete...

In recent years, the emergence of WWW (World Wide Web) led to accumulation huge amount information and data. Hence web is found consist unstructured structured that impacts day life society. Because such availability information, utilization required becomes more challenging. This paper provided a comprehensive survey on current situation trends content mining (WCM) its applications thereby con...

Definition Web search engines return lists of web pages sorted by the page’s relevance to the user query. The problem with web search relevance ranking is to estimate relevance of a page to a query. Nowadays, commercial web-page search engines combine hundreds of features to estimate relevance. The specific features and their mode of combination are kept secret to fight spammers and competitors...