The aim of the thesis is to analyze the relationship between British guerrilla warfare and espionage operations as well as their impact upon the Greek resistance. Within this context the contribution to the Allied war effort of the espionage and sabotage groups that operated in occupied Greece will also be examined. / Part one of this study includes an historical background covering the period preceding the occupation of Greece and an account of the development of British intelligence organizations to 1939. Part two examines the reorganization of the British intelligence services after the outbreak of the Second World War and the establishment of the Special Operations Executive. / In addition, emphasis is placed on the deployment of the British intelligence services in the Middle East. Part three discusses the development of the Greek resistance and the implementation of guerrilla warfare in the mountains as well as the activities of the espionage and sabotage groups in the main cities and towns of occupied Greece. Part four includes the conclusions and bibliography.

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This thesis examines the origins and development of signals intelligence in the Royal Australian Navy, during the period 1914 to 1945, within the context of an Australian contribution to Imperial defence. In doing so it demonstrates how the development of this capability was shaped by national, Imperial and international forces and events. The thesis thus fills a gap in the historiography of imperial defence and of early twentieth century signals intelligence. It also constitutes a case study of the development of a niche military capability by a small to medium power in the context of great power alliances and major historical events. The thesis is based principally upon the investigation of documents in the Australian, US and UK national archives, some of which have been newly declassified for this purpose. During the First World War the RAN undertook a minor cryptographic effort focused on intercepting and breaking coded messages from the German Pacific Squadron. After the War, and at the request of the RN, the RAN began to develop a signals intelligence capability aimed at the Imperial Japanese Navy. This capability was seen as part of the RAN contribution to Imperial defence. The commitment, made without Australian political approval, would see the RAN conduct two covert intelligence collection operations against the Japanese Mandated Territories. After the Japanese attack on Pearl Harbor and subsequent defeat of the Western Powers in Asia, the RAN signals intelligence organisation became, as a consequence of agreements between Britain and the USN, part of the USN organisation in the Pacific. At no stage however, was the RAN involved in the discussions which accompanied these arrangements nor did it have any subsequent say in the strategic direction of this capability. As a consequence, when the Pacific War was drawing to a close the future of the RAN's cryptographic organisation came in to question. By the time the Japanese surrendered this issue had still not been resolved. Beyond the history of the origins and development of signals intelligence in the RAN, and of its involvement in the signals intelligence war against Japan, the thesis highlights the importance of committed individuals in small military organisations and how they can greatly influence the success or otherwise of these organisations. The ability of personnel from different nations to work together in signals intelligence is reflective of the functioning of the alliance as a whole. The development of such a niche capability by a small to medium power can have an effect on that nation's standing, in the context of alliance relationships, as it did in this case. As the RAN found however, such capabilities do not provide for automatic access to strategic decision making within an alliance.

This diploma thesis brings an integral view at cognitive processes connected with artificial intelligence systems, and makes a comparison with the processes observed in nature, including human being. A historical background helps us to look at the whole issue from a certain point of view. The main axis of interest comes after the historical overview and includes the following: environment -- stimulations -- processing -- reflection in the cognitive system -- reaction to stimulation; I balance the approach and the limited potential of the human being against the machine (or artificial intelligence). In the last part, there are introduced two projects that have been already implemented in the inteligent transport systems, and their potential for the further expansion and development is shown here. The main emphasis is placed on the coherence between each part of this thesis and cognitive processes, and on the relation and the mutual dependence of these processes.