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» Estimating the Quality of Data in Relational Databases
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SSDBM
2010
IEEE
181views Database» more  SSDBM 2010»
14 years 7 months ago
Stratified Reservoir Sampling over Heterogeneous Data Streams
Reservoir sampling is a well-known technique for random sampling over data streams. In many streaming applications, however, an input stream may be naturally heterogeneous, i.e., c...
Mohammed Al-Kateb, Byung Suk Lee
SIGMOD
2003
ACM
145views Database» more  SIGMOD 2003»
15 years 9 months ago
Evaluating Probabilistic Queries over Imprecise Data
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
Reynold Cheng, Dmitri V. Kalashnikov, Sunil Prabha...
CVPR
2011
IEEE
14 years 5 months ago
High Level Describable Attributes for Predicting Aesthetics and Interestingness
With the rise in popularity of digital cameras, the amount of visual data available on the web is growing exponentially. Some of these pictures are extremely beautiful and aesthet...
Sagnik Dhar, Vicente Ordonez, Tamara Berg
BMCBI
2005
111views more  BMCBI 2005»
14 years 9 months ago
Improving interoperability between microbial information and sequence databases
Background: Biological resources are essential tools for biomedical research. Their availability is promoted through on-line catalogues. Common Access to Biological Resources and ...
Paolo Romano, Peter Dawyndt, Francesca Piersigilli...
BTW
2009
Springer
132views Database» more  BTW 2009»
15 years 2 months ago
A Bayesian Approach to Estimating the Selectivity of Conjunctive Predicates
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
M. Heimel, Volker Markl, Keshava Murthy