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256
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AMW
2011
14 years 7 months ago
2011
Since navigational aspects of XPath correspond to first-order definability, it has been proposed to use the analogy with the very successful technique of translating LTL into aut...
259
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AMW
2011
14 years 7 months ago
2011
Subqueries are a poweful feature which allows to enforce reuse, composition, rewriting and optimization in a query language. In this paper we perform a comprehensive study of the i...
249
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AMW
2011
14 years 7 months ago
2011
The goal of this paper is to permit secure outsourced system evaluation. We propose a method for generating synthetic databases and obfuscating a workload of queries in order to pr...
251
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AMW
2011
14 years 7 months ago
2011
Abstract. Social Network (SN) data has become ubiquitous, demanding advanced and flexible means to represent, transform and query such data. In addition to the intrinsic challenge...
197
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FOMI
2011
14 years 3 months ago
2011
Abstract. In this paper three perspectives are presented on defining the general notion of technical artifacts in formal ontologies. These perspectives share two intuitions: that ...