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GIS
2006
ACM
15 years 10 months ago
Computing longest duration flocks in trajectory data
Moving point object data can be analyzed through the discovery of patterns. We consider the computational efficiency of computing two of the most basic spatio-temporal patterns in...
Joachim Gudmundsson, Marc J. van Kreveld
KDD
2004
ACM
134views Data Mining» more  KDD 2004»
15 years 10 months ago
Exploiting a support-based upper bound of Pearson's correlation coefficient for efficiently identifying strongly correlated pair
Given a user-specified minimum correlation threshold and a market basket database with N items and T transactions, an all-strong-pairs correlation query finds all item pairs with...
Hui Xiong, Shashi Shekhar, Pang-Ning Tan, Vipin Ku...
VLDB
2004
ACM
106views Database» more  VLDB 2004»
15 years 3 months ago
Structures, Semantics and Statistics
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
Alon Y. Halevy
BMCBI
2008
130views more  BMCBI 2008»
14 years 9 months ago
A database of phylogenetically atypical genes in archaeal and bacterial genomes, identified using the DarkHorse algorithm
Background: The process of horizontal gene transfer (HGT) is believed to be widespread in Bacteria and Archaea, but little comparative data is available addressing its occurrence ...
Sheila Podell, Terry Gaasterland, Eric E. Allen
ICDE
2009
IEEE
171views Database» more  ICDE 2009»
15 years 11 months ago
A Framework for Clustering Massive-Domain Data Streams
In this paper, we will examine the problem of clustering massive domain data streams. Massive-domain data streams are those in which the number of possible domain values for each a...
Charu C. Aggarwal