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VLDB
2007
ACM
125views Database» more  VLDB 2007»
14 years 2 months ago
Data Integration with Uncertainty
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
Xin Luna Dong, Alon Y. Halevy, Cong Yu
SIGMOD
2008
ACM
164views Database» more  SIGMOD 2008»
14 years 8 months ago
Finding frequent items in probabilistic data
Computing statistical information on probabilistic data has attracted a lot of attention recently, as the data generated from a wide range of data sources are inherently fuzzy or ...
Qin Zhang, Feifei Li, Ke Yi
VLDB
2003
ACM
147views Database» more  VLDB 2003»
14 years 8 months ago
RE-tree: an efficient index structure for regular expressions
Due to their expressive power, Regular Expressions (REs) are quickly becoming an integral part of language specifications for several important application scenarios. Many of thes...
Chee Yong Chan, Minos N. Garofalakis, Rajeev Rasto...
IDEAS
2008
IEEE
80views Database» more  IDEAS 2008»
14 years 3 months ago
Improved count suffix trees for natural language data
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...
Guido Sautter, Cristina Abba, Klemens Böhm
CDC
2010
IEEE
13 years 3 months ago
Preference elicitation in Fully Probabilistic Design of decision strategies
Any systematic decision-making design selects a decision strategy that makes the resulting closed-loop behaviour close to the desired one. Fully Probabilistic Design (FPD) describe...
Miroslav Kárný, Tatiana V. Guy