525 search results - page 21 / 105 » On Query Algebras for Probabilistic Databases |
IDEAS
2000
IEEE
15 years 3 months ago
2000
IEEE
We present SECONDO, a new generic environment supporting the implementation of database systems for a wide range of data models and query languages. On the one hand, this framewor...
157
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SIGMOD
2008
ACM
15 years 11 months ago
2008
ACM
Uncertain data are inherent in some important applications, such as environmental surveillance, market analysis, and quantitative economics research. Due to the importance of thos...
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...
177
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ICDE
2008
IEEE
16 years 27 days ago
2008
IEEE
In this paper, we address the problem of extending a relational database system to facilitate efficient real-time application of dynamic probabilistic models to streaming data. he ...
DEXA
1994
Springer
15 years 3 months ago
1994
Springer
We describe a functional database language OR-SML for handling disjunctive information in database queries, and its implementation on top of Standard ML 12]. The core language has ...