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» Estimating the Quality of Databases
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NAR
2011
208views Computer Vision» more  NAR 2011»
14 years 9 months ago
CaSNP: a database for interrogating copy number alterations of cancer genome from SNP array data
Cancer is known to have abundant copy number alterations (CNAs) that greatly contribute to its pathogenesis and progression. Investigation of CNA regions could potentially help id...
Qingyi Cao, Meng Zhou, Xujun Wang, Clifford A. Mey...
SSD
2001
Springer
145views Database» more  SSD 2001»
15 years 11 months ago
Continuous Queries within an Architecture for Querying XML-Represented Moving Objects
The development of spatiotemporal database systems is primarily motivated by applications tracking and presenting mobile objects. Another important trend is the visualization and p...
Thomas Brinkhoff, Jürgen Weitkämper
ICDE
2012
IEEE
249views Database» more  ICDE 2012»
13 years 9 months ago
Answering Why-not Questions on Top-k Queries
Abstract—After decades of effort working on database performance, the quality and the usability of database systems have received more attention in recent years. In particular, t...
Zhian He, Eric Lo
VLDB
2004
ACM
180views Database» more  VLDB 2004»
15 years 12 months ago
Bloom Histogram: Path Selectivity Estimation for XML Data with Updates
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
Wei Wang 0011, Haifeng Jiang, Hongjun Lu, Jeffrey ...
PODS
2005
ACM
211views Database» more  PODS 2005»
16 years 6 months ago
Join-distinct aggregate estimation over update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
Sumit Ganguly, Minos N. Garofalakis, Amit Kumar, R...