493 search results - page 31 / 99 » Consensus answers for queries over probabilistic databases |
EDBTW
2010
Springer
15 years 6 months ago
2010
Springer
We investigate the complexity of performing updates on probabilistic XML data for various classes of probabilistic XML documents of different succinctness. We consider two elemen...
EDBT
2006
ACM
15 years 11 months ago
2006
ACM
Abstract. We present in this paper a new model for representing probabilistic information in a semi-structured (XML) database, based on the use of probabilistic event variables. Th...
JIIS
2006
14 years 11 months ago
2006
For some years, data summarization techniques have been developed to handle the growth of databases. However these techniques are usually not provided with tools for enduserstoeffi...
SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
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SIGMOD
2007
ACM
15 years 11 months ago
2007
ACM
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...