799 search results - page 102 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
137
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JELIA
2010
Springer
15 years 3 months ago
2010
Springer
Multi-Context Systems (MCS) are formalisms that enable the interlinkage of single knowledge bases, called contexts, via bridge rules. Recently, the evaluation of heterogeneous, no...
233
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ICDE
2003
IEEE
16 years 6 months ago
2003
IEEE
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...
167
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APWEB
2008
Springer
15 years 6 months ago
2008
Springer
Information exchanges in P2P networks have become very popular in recent years. However, tracing how data circulates between peers and how data modifications are performed during t...
145
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SEMWEB
2010
Springer
15 years 2 months ago
2010
Springer
Abstract. Policies are declarations of constraints on the behaviour of components within distributed systems, and are often used to capture norms within agent-based systems. A few ...
146
Voted
ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...