A digital library typically includes a set of keywords (or subject terms) for each document in its collection(s). For some applications, including natural resource management, geographic location (e.g., the place of a study or a project) is very important. The metadata for such documents needs

in this paper: they rely on data and sources presented in the updated version of my trilogy (Castells 2000a). For the sake of clarity, I will rst present the conceptual framework I use in my analysis of social structure. I will then proceed to enumerate the main transformations taking place in social structures

: This article examines the place of relationships in our daily lives and in the field of psychology. The first section of the article offers reasons why relationships are central for humans. Next, the place of relationships in the history, institutional aspects, and subfields of psychology is presented. Then a

I declare that this thesis is my own account of my research and contains as its main content work which has not previously been submitted for a degree at any tertiary education institution.

; cancer; epithelial Article: "The beginning of wisdom is to call things by their proper names." Chinese proverb attributed often to Confucius Milk thistle (Silybum marianum [L.] Gaertn. [Asteraceae]; synonym Carduus marianus L.) is a hardy and often invasive plant indigenous to the Mediterranean

symmetric structures in nature and engineering’. Subject Areas: geometry Keywords: overconstrained mechanism, Grünbaum framework, Kokotsakis mesh, flexible bipartite framework, Burmester’s focal mechanism Author for correspondence:

the non-exclusive right to publish the Work electronically and in a non-commercial purpose make it accessible on the Internet. The Author warrants that he/she is the author to the Work, and warrants that the Work does not contain text, pictures or other material that violates copyright law

for the network implementation, thus the game is the first real application using CUSP. Finally the game Planet π4 is integrated with the CUSP network simulator, allowing to run the whole game in a simulated network without the need for modification of its core components. Kurzfassung Massen

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First, I would like to thank to Dimka Karastoyanova and Mariano Cilia for all the fruitful discussions, their guidance and support through the course of this project. Thanks also to Prof. Alejandro Buchmann who sponsored my stay at Technische Universität Darmstadt during the spring of 2004. The special thanks go to my advisor, Mariano Cilia, who has made all this possible. Finally, I’d like to thank to my family for all these years of support.