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GIS
2010
ACM
15 years 5 months ago
Finding similar users using category-based location history
In this paper, we aim to estimate the similarity between users according to their GPS trajectories. Our approach first models a user’s GPS trajectories with a semantic location ...
Xiangye Xiao, Yu Zheng, Qiong Luo, Xing Xie
SC
2003
ACM
16 years 1 days ago
Remote Visualization by Browsing Image Based Databases with Logistical Networking
The need to provide remote visualization of large datasets with adequate levels of quality and interactivity has become a major impediment to distributed collaboration in Computat...
Jin Ding, Jian Huang, Micah Beck, Shaotao Liu, Ter...
DMDW
2000
118views Management» more  DMDW 2000»
15 years 8 months ago
View security as the basis for data warehouse security
Access. permissions in a data warehouse are currently managed in a separate world from the sources' policies. The consequences are inconsistencies, slow response to change, a...
Arnon Rosenthal, Edward Sciore
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
16 years 7 months ago
Ranking distributed probabilistic data
Ranking queries are essential tools to process large amounts of probabilistic data that encode exponentially many possible deterministic instances. In many applications where unce...
Feifei Li, Ke Yi, Jeffrey Jestes
CIDR
2003
125views Algorithms» more  CIDR 2003»
15 years 8 months ago
Crossing the Structure Chasm
It has frequently been observed that most of the world’s data lies outside database systems. The reason is that database systems focus on structured data, leaving the unstructur...
Alon Y. Halevy, Oren Etzioni, AnHai Doan, Zachary ...