Travel writing has been central to the American literary canon. From all possible backgrounds, origins and spaces, religious dissenters, immigrants and others have described their travelling experiences in North America. Within this profoundly American tradition, black Americans’ narratives are a…

In this thesis, we investigated a sequential decision making problem. We tested
different policies for online portfolio optimization: for a given number of assets and
a time horizon, the weights on assets are rebalanced at every time step according to

As the role children and young people play in the construction of knowledge is recognised, their position in society as social agents is changing. This in turn has led to a change in the way in which they want to…

While entertainment web forums provide a dynamic medium for interaction, not many researchers feel the need to go deeply into the contents.
One of the reasons behind this attitude lies on a widely perceived assumption that web forums do not…

Of the many "unconsidered trifles" found amidst Shelleyiana and within Shelley's notebook jottings, this article selects eight examples, spanning his authorial career (1810-1822). Each involves a problem involving attribution, or decipherment, or source identification, which the author believes herself to…

Metrics used on development of expert systems is not a well investigated problem area. This article suggests some metrics to be used to measure the maturity of the conceptualization process and the complexity of the decision process in the problem…

It is interesting and important to compare, analyze and assess the alternative tools that could be used in the area of Knowledge Representation. In this paper we present a reasearch line associated to this goal: to formally establish the relation…

Ontology integration is the problem of combining data sources in the SemanticWeb. Concepts in source ontologies are captured in terms of concepts de ned in a global ontology. When some of these ontologies are inconsistent, the knowledge engineer often has…

The software industry blames universities for their graduates lacking necessary skills, meaning that just the possession of knowledge does not necessarily imply the competent performance required by the profession.
Professional maturity in software engineering is one of software industry’s major…

In this paper, we present a novel model of an artificial immune system (AIS), based on the process that suffers the T-Cell. The proposed model is used for solving constrained (numerical) optimization problems. The model operates on three populations: Virgins,…