Titlebook: Johann Heinrich von Thünen (1783–1850) und seine außenwirtschaftlichen Untersuchungen; Stephanie Hoh Book 1998 Springer Fachmedien Wiesbad

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Anni Wang,Zhibo Zhang,Yehui Chen,Xin Wangful colonisers, in particular . and .. In a survey of macrofauna (0.5-mm sieve) on floating algae clumps from various locations around Iceland, . was present in all clumps studied, up to 117 km offshore. Its sex ratio was skewed towards females, often with a high ratio of ovigerous females. There wa

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Towards Efficient Ranked Query Processing in Peer-to-Peer Networksof P2P networks, we propose two new algorithms: . for ranked selection queries and . for ranked join queries. . and . reduce bandwidth cost by pruning irrelevant tuples before query processing. Performance of the proposed algorithms are validated by extensive experiments.

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2194-1009 erested not only in a broader overview of the methods, ideas and tools in mathematical and statistical approaches, but also in how they can attain valuable insi978-3-030-07626-9978-3-319-99719-3Series ISSN 2194-1009 Series E-ISSN 2194-1017

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Book 2017t the clinical level as well as their regulation. Analysing the practice from the perspectives of institutions and power structure, it examines how institutional changes in the pre-reform and reform era have changed the power structure between medical professions, patients and the Party-state, and h