Correntes teóricas da ciência da informa？？o

in this article, six theoretical currents of information science are presented: the mathematical studies of information (including information retrieval and bibliometrics), the systemic theory, the critical theory, the theories of representation, the studies in scientific communication and the studies of users. the concept of information is analyzed concerning each one of those theories which have historically contributed to consolidate a positivist paradigm in this area. recent contributions have been analyzed trying to point out limitations in the concept of information of this paradigm and possibilities of transcending new concepts and ideas.