Sciweavers

388 search results - page 72 / 78
» Phenomenon-aware Stream Query Processing
Sort
View
IDEAS
2000
IEEE
96views Database» more  IDEAS 2000»
14 years 2 months ago
A Cost Function for Uniformly Partitioned UB-Trees
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
Volker Markl, Rudolf Bayer
VLDB
2004
ACM
80views Database» more  VLDB 2004»
14 years 3 months ago
The Case for Precision Sharing
Sharing has emerged as a key idea of static and adaptive stream query processing systems. Inherent in these systems is a tension between sharing common work and avoiding unnecessa...
Sailesh Krishnamurthy, Michael J. Franklin, Joseph...
SIGMOD
2009
ACM
184views Database» more  SIGMOD 2009»
14 years 10 months ago
Minimizing the communication cost for continuous skyline maintenance
Existing work in the skyline literature focuses on optimizing the processing cost. This paper aims at minimization of the communication overhead in client-server architectures, wh...
Zhenjie Zhang, Reynold Cheng, Dimitris Papadias, A...
ICDE
2000
IEEE
82views Database» more  ICDE 2000»
14 years 11 months ago
Similarity Search for Multidimensional Data Sequences
Time-series data, which are a series of one-dimensional real numbers, have been studied in various database applications. In this paper, we extend the traditional similarity searc...
Seok-Lyong Lee, Seok-Ju Chun, Deok-Hwan Kim, Ju-Ho...
GIS
2006
ACM
14 years 11 months ago
Index for fast retrieval of uncertain spatial point data
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
Dmitri V. Kalashnikov, Yiming Ma, Sharad Mehrotra,...