In large-scale distributed information systems, where participants are autonomous and have
special interests for some queries, query allocation is a challenge. Much work in this context …

In large-scale distributed information systems, where participants are autonomous and have
special interests for some queries, query allocation is a challenge. Much work in this context …

We consider the query allocation problem in open and large distributed information systems.
Provider sources are heterogeneous, autonomous, and have finite capacity to perform …

In large-scale, heterogeneous information systems, mediators are widely used for query
processing and the good operation of a system strongly depends on the way the mediator …

We consider a distributed information system that allows autonomous consumers to query
autonomous providers. We focus on the problem of query allocation from a new point of …

In large federations of autonomous database systems, automatic distribution of the query
workload to those systems is a critical issue. We examine this problem under the perspective …

In large-scale distributed information systems, providers are typically autonomous, ie free to
leave the system at will or to perform certain requests. In this context, request allocation is …

The declarative nature of SQL has traditionally been a major strength. Users simply state
what information they are interested in, and the database management system determines …

Modern large distributed applications, such as telecommunication and banking services,
need to respond instantly to a huge number of queries within a short period of time. The data …

Modern large distributed applications, such as mobile communications and banking
services, require fast responses to enormous and frequent query requests. This kind of …