613 search results - page 90 / 123 » Query Evaluation on a Database Given by a Random Graph |
179
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PODS
2009
ACM
16 years 11 days ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
108
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IJON
2010
14 years 10 months ago
2010
We introduce a new causal hierarchical belief network for image segmentation. Contrary to classical tree structured (or pyramidal) models, the factor graph of the network contains...
VLDB
1992
ACM
15 years 3 months ago
1992
ACM
This paper considers the problem of adding list as a type constructor to an object-oriented data model. In particular, we are concerned with how lists in a database can be constru...
115
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BDA
2007
15 years 1 months ago
2007
Sharing huge, massively distributed databases in P2P systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer suffi...
117
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ITNG
2008
IEEE
15 years 6 months ago
2008
IEEE
With recent advances in wireless communication and position technologies, it became possible to collect and record trajectories of moving objects. Thus, many services in road netw...