Sciweavers

99 search results - page 15 / 20
» Skyline query processing for uncertain data
Sort
View
SSDBM
2009
IEEE
119views Database» more  SSDBM 2009»
14 years 2 months ago
Identifying the Most Endangered Objects from Spatial Datasets
Abstract. Real-life spatial objects are usually described by their geographic locations (e.g., longitude and latitude), and multiple quality attributes. Conventionally, spatial dat...
Hua Lu, Man Lung Yiu
ICDE
2008
IEEE
194views Database» more  ICDE 2008»
14 years 8 months ago
P-Cube: Answering Preference Queries in Multi-Dimensional Space
Many new applications that involve decision making need online (i.e., OLAP-styled) preference analysis with multidimensional boolean selections. Typical preference queries includes...
Dong Xin, Jiawei Han
CIKM
2009
Springer
14 years 2 months ago
Evaluating top-k queries over incomplete data streams
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
Parisa Haghani, Sebastian Michel, Karl Aberer
TKDE
2008
146views more  TKDE 2008»
13 years 7 months ago
Toward Managing Uncertain Spatial Information for Situational Awareness Applications
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision making, reasoning, and analysis. Raw input about unf...
Yiming Ma, Dmitri V. Kalashnikov, Sharad Mehrotra
ICDE
2009
IEEE
115views Database» more  ICDE 2009»
14 years 9 months ago
Efficient Evaluation of Multiple Preference Queries
Consider multiple users searching for a hotel room, based on size, cost, distance to the beach, etc. Users may have variable preferences expressed by different weights on the attri...
Leong Hou U, Nikos Mamoulis, Kyriakos Mouratidis