Preferences have been traditionally studied in philosophy, psychology, and economics and
applied to decision making problems. Recently, they have attracted the attention of …

Skyline is a primitive operation in multi-objective decision applications and there is a
growing demand to support such operations over a data federation, where the entire dataset …

The skyline operator returns from a set of multi-dimensional objects a subset of superior
objects that are not dominated by others. This operation is considered very important in multi …

As the web is increasingly used not only to find answers to specific information needs but
also to carry out various tasks, enhancing the capabilities of current web search engines …

Skyline queries are a popular way to obtain preferred answers from the database by
providing only the orderings of attribute values. The result of a skyline query consists of …

Service composition is emerging as an effective vehicle for integrating existing web services
to create value-added and personalized composite services. As web services with similar …

Skyline and ranking queries are two popular, alternative ways of discovering interesting data
in large datasets. Skyline queries are simple to specify, as they just return the set of all non …

The manipulation of databases is an integral part of a world which is becoming increasingly
and pervasively information-focused. This book puts forward a suggestion to advocate …

Skyline is an important operation in many applications to return a set of interesting points
from a potentially huge data space. Given a table, the operation finds all tuples that are not …

A regret minimizing set Q is a small size representation of a much larger database P so that
user queries executed on Q return answers whose scores are not much worse than those on …