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CIKM
2008
Springer
13 years 10 months ago
2008
Springer
We propose a novel probabilistic method based on the Hidden Markov Model (HMM) to learn the structure of a Latent Variable Model (LVM) for query language modeling. In the proposed...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
1 We consider the problem of similarity search in applications where the cost of computing the similarity between two records is very expensive, and the similarity measure is not a...
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
In mobile and ambient environments, devices need to become autonomous, managing and resolving problems without interference from a user. The database of a (mobile) device can be s...