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...

BACKGROUND Leishmaniasis is caused by intracellular Leishmania parasites that induce a T-cell mediated response associated with recognition of CD4+ and CD8+ T cell Line 1Lineepitopes. Identification of CD8+ antigenic determinants is crucial for vaccine and therapy development. Herein, we developed an open-source software dedicated to search and compile data obtained from currently available on ...

Search engines have become an important decision-making tool today. Unfortunately, they still need to improve in answering complex queries. The answers to complex decisionmaking queries such as “best burgers and fries” and “good restaurants for anniversary dinner,” are often subjective. The most relevant answer to the query can be obtained by only collecting people’s opinions about the query, w...

Search engine logs not only keep navigation information, but also the queries made by their users. In particular, queries to a search engine follow a power-law distribution, which is far from uniform. Clicks and queries can be used to improve the search engine itself in different aspects: user interface, index performance, and answer ranking. In this chapter we present the main ideas and we sho...

This paper investigates the publishing trends of search engine literature as catalogued in the social sciences citation index (SSCI) database in the period 1995-2009. Our findings indicate that (1) the quantity of recent research on search engine study is expanding remarkably; (2) the frequency indices of author productivity appear to abide by Lotka’s Law; (3) most research papers on search eng...