The recent computerization of the Austrian Patent Office in the mid-1980s has made it possible now to analyse the patenting behaviour at the firm level over a certain time period. This makes patents an easily accessible, quantitative indicator of patented inventions and, more generally, a proxy...

Two alternative methodological approaches (the IPFP based and the intramax procedures) to the problem of pattern identification in spatial interaction data are compared and evaluated in this paper. After a general discussion of the major characteristics and shortcomings of these methodologies,...

The explosion of activities and requirements associated with the production, processing and transfer of information is increasingly being matched by a profileration and diversification of new telecommunication media for transmitting information, including text processing and transmission...