In recent years we witnessed an impressive advance in the social networks field, which became a "hot" topic and a focus of considerable attention. Also, the development of methods that focus on the analysis and understanding of the evolution of data are gaining momentum. In this paper we present...

This paper reports advances in the entity extraction task (named entity identification) of a text mining process that aims at unveiling non-trivial semantic structures, such as relationships and interaction between entities or communities. We proposed a 3-phase method that is applicable to the...

Multi-criteria decision analysis (MCDA) has been one of the fastest-growing areas of operations research during the last decades. The academic attention devoted to MCDA motivated the development of a great variety of approaches and methods within the field. These methods distinguish themselves...

The role of Poverty Alleviation Programs (PAP) in �ghting poverty and ensuring the satisfaction of basic economic needs is well known. How- ever, informational asymmetries create the need for adequate instruments to prevent fraud. This paper provides a static model of adverse selection where...