Techniques for processing knowledge in collectives are more and more needed because of
rapidly increasing number of autonomous sources of knowledge in the world. Collective …

This paper proposes a new approach to collaborative profile recommendation using a
hierarchical structure for user modeling. In an information retrieval system a hierarchical …

Nowadays, due to the high level of data distribution, it is frequently impossible to generate a
unified representation of a variety of heterogenous data sources in a single step. Dividing …

Recently, data integration has attracted increasing interest from different research domains.
In most situations, data integration systems are provided for users to access homogeneous …

Closed sequential pattern (CSP) mining is an optimization technique in sequential pattern
mining because they produce more compact representations. Additionally, the runtime and …

The previous authors' research showed that it is not only possible, but also profitable to
estimate a potential growth of a level of knowledge that appears during an integration of …

The consensus finding problem is known in the literature as a solution to inconsistency
problems. Such inconsistency may come from different opinions of problem participants or …

Collective intelligence is most often understood as group intelligence which arises on the
basis of intelligences of the group members. This paper presents an overview of application …

Consensus methodology is nowadays widely used, but it does not consider the time
component of gathering knowledge. We observe how introducing expanding conflict profile …

The hierarchical data format becomes increasingly common. One of the problems arising
with it is efficient tree integration, ie integration of XML databases. One possible approach is …