Resource discovery in a distributed digital library poses many challenges, one of which is how to choose search engines for query distribution, given a query and a set of search engines. This paper focuses on search engine performance as a criterion for search engine selection and defines two measurements of search engine performance: availability – will the search engine respond within a time ...

The web has been evolving towards its Semantic future and, in turn, search engines (SEs) have been evolving to incorporate these changes. Current work probes on search engine ranking factors in a Web 2.0 and Web 3.0 context. To this end, we have created a headless crawler, LSHrank, which employs known search engine APIs, evaluates the results and explores the factors that affect the search engi...

There is no doubt that Search Engines are playing a great role in Internet usage. But all the top search engines Google, Yahoo and Bing are having a critical flaw called “Openness of a Search Engine”. An Internet user should be allowed to get the search results only when requested through Search engine’s web page but the user must not be allowed to get the search results when requested through ...

Web sites invest significant resources in trying to influence their visibility among online search results. In addition to paying for sponsored links, they invest in methods known as search engine optimization (SEO) that improve the ranking of a site among the search results without improving its quality. We study the economic incentives of Web sites to invest in SEO and its implications on sea...

The number of documents that are indexed by a search engine is referred to as the size of the search engine. The information about the size of each underlying search engine is essential for any metasearch engine to conduct search engine selection, result merging and a few other processes. Thus, effectively estimating the size of search engines is important for a metasearch engine that incorpora...

We have developed a distributed search engine, Cooperative Search Engine (CSE) to retrieve fresh information. In CSE, a local search engine located in each web server makes an index of local pages. And, a Meta search server integrates these local search engines to realize a global search engine. In such a way, the communication delay occurs at retrieval. So, we have developed several speedup te...

Today, using search engine is the most widely used activity on the World Wide Web. But choosing the most suitable search engine that can provide the most relevant contents is really a tough job. One search engine is better in one domain may not be better in another domain. To address this problem of finding suitable search engine for a given domain, this paper presents an automated frame work b...

In sponsored search advertising advertisers bid ad links pertaining to a keyword from search engines. This paper presents a pricing model for sponsored search advertising in a dynamic framework. It focuses on the generalized second-price auction, which is widely used by major search engines including Google and Yahoo!. Unlike the assertion in the literature that the number of advertisers and th...

Search engines have become a de facto gateway for people to finding information or shopping online. The reliability of companies in search results is critical as search engines determine what information people access. Major search engines provide two types of results — organic and paid. While paid results have been an advertising boon for search engines, they are expected to contain more comme...

UNLABELLED The BioText Search Engine is a freely available Web-based application that provides biologists with new ways to access the scientific literature. One novel feature is the ability to search and browse article figures and their captions. A grid view juxtaposes many different figures associated with the same keywords, providing new insight into the literature. An abstract/title search a...