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SAC
2005
ACM
15 years 9 months ago
Indexing continuously changing data with mean-variance tree
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...
Yuni Xia, Sunil Prabhakar, Shan Lei, Reynold Cheng...
ICIP
2001
IEEE
16 years 5 months ago
On the estimation of spectral data: a genetic algorithm approach
Spectral data estimation from image data is an ill-posed problem since (i) due to the integral nature of solid-state light sensors the same output can be obtained from an infinity...
Amâncio Santos, António Dourado, Bern...
ICDE
2005
IEEE
108views Database» more  ICDE 2005»
16 years 4 months ago
Range Efficient Computation of F0 over Massive Data Streams
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
Pavan Aduri, Srikanta Tirthapura
KDD
2009
ACM
192views Data Mining» more  KDD 2009»
16 years 4 months ago
Time series shapelets: a new primitive for data mining
Classification of time series has been attracting great interest over the past decade. Recent empirical evidence has strongly suggested that the simple nearest neighbor algorithm ...
Lexiang Ye, Eamonn J. Keogh
PAKDD
2009
ACM
103views Data Mining» more  PAKDD 2009»
15 years 10 months ago
Hot Item Detection in Uncertain Data
Abstract. An object o of a database D is called a hot item, if there is a sufficiently large population of other objects in D that are similar to o. In other words, hot items are ...
Thomas Bernecker, Hans-Peter Kriegel, Matthias Ren...