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The paper describes the ALVIS annotation format designed for the indexing of large collections of documents in topic-specific search engines. This paper is exemplified on the biological domain and on MedLine abstracts, as developing a specialized search engine for biologists is one of the ALVIS case studies. The ALVIS principle for linguistic annotations is(More)
Coalitions are organizations which provide dynamics and exibility to grasp situations of cooperation and competitiveness in open environments. In an economic distributed context, agents are necessarily heterogeneous, egoistic and free in behavior and in reasoning what brings us to propose a protocol which privileges freedom of agents. Applied to task(More)
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