Database selection is an important step when searching over large numbers of distributed
text databases. The database selection task relies on statistical summaries of the database …

In distributed information retrieval, a wide range of techniques have been proposed for
choosing collections to interrogate. Many of these collection-selection techniques are based …

In a distributed document database system, a query is processed by passing it to a set of
individual collections and collating the responses. For a system with many such collections …

An ever-increasing amount of valuable information is stored in Web databases," hidden"
behind search interfaces. To save the user's effort in manually exploring each database …

A meta-search engine propagates user queries to its participant search engines following a
server selection strategy. To facilitate server selection, the meta-search engine must keep …

For hundreds of years the mankind has organized information in order to make it more
accessible to the others. The last media born to globally provide information is the Internet …

An ever increasing amount of valuable information is stored in Web databases,“hidden”
behind search interfaces. To save the user's effort in manually exploring each database …

Given the enormous amount of information now available on the Web, search engines have
become the indispensable tools for people to find desired information from the Web. These …

The rapid proliferation of online textual databases on the Internet has made it difficult to
effectively and efficiently search desired information for the users. Often, the task of locating …

Database selection, also known as resource selection, server selection and query routing is
an important topic in distributed information retrieval research. Several approaches to …