Πgora: An Integration System for Probabilistic Data

被引：0

作者：

Olteanu, Dan ^{[1
]}

Papageorgiou, Lampros ^{[1
]}

van Schaik, Sebastiaan J. ^{[1
]}

机构：

[1] Univ Oxford, Dept Comp Sci, Oxford OX1 2JD, England

来源：

2013 IEEE 29TH INTERNATIONAL CONFERENCE ON DATA ENGINEERING (ICDE) | 2013年

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Pi gora is an integration system for probabilistic data modelled using different formalisms such as pc-tables, Bayesian networks, and stochastic automata. User queries are expressed over a global relational layer and are evaluated by Pi gora using a range of strategies, including data conversion into one probabilistic formalism followed by evaluation using a formalism-specific engine, and hybrid plans, where subqueries are evaluated using engines for different formalisms. This demonstration allows users to experience Pi gora on real-world heterogeneous data sources from the medical domain.

引用

页码：1324 / 1327

页数：4

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