2925 search results - page 447 / 585 » Information Complexity of Online Problems |
138
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ICDE
2010
IEEE
16 years 3 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...
151
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MOBIHOC
2008
ACM
16 years 3 months ago
2008
ACM
Mobile opportunistic networks are characterized by unpredictable mobility, heterogeneity of contact rates and lack of global information. Successful delivery of messages at low co...
147
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
— Large graphs and networks are abundant in modern information systems: entity-relationship graphs over relational data or Web-extracted entities, biological networks, social onl...
128
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UM
2009
Springer
15 years 10 months ago
2009
Springer
Abstract. Words mean different things to different people, and capturing these differences is often a subtle art. These differences are often “a matter of perspective,” and...
141
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SYSTOR
2009
ACM
15 years 10 months ago
2009
ACM
A typical storage hierarchy comprises of components with varying performance and cost characteristics, providing multiple options for data placement. We propose and evaluate a hie...