While database management systems offer a comprehensive solution to data storage, they
require deep knowledge of the schema, as well as the data manipulation language, in order …

Many valuable text databases on the web have noncrawlable contents that are “hidden”
behind search interfaces. Metasearchers are helpful tools for searching over multiple such …

In this paper, a new source selection algorithm for uncooperative distributed information
retrieval environments is presented. The algorithm functions by modeling each information …

A single search interface to all a person's digital resources, such as email archives,
corporate databases, websites, and subscription services, is appealing but a central index of …

In the information integration system, XML becomes an important format for information
representation and exchanging. Selection of useful data sources for a query is a crucial …

Peer to peer systems have been widely used in the internet. However, most of the peer to
peer information systems are still missing some of the important features, for example cross …

The inherent flexibility in both structure and semantics let tree capture most kinds of data,
model a wide variety of data sources, and produce an enormous number of information. The …