Sciweavers

2145 search results - page 216 / 429
» Pattern-Based Query Answering
Sort
View
131
Voted
INFOCOM
2009
IEEE
15 years 9 months ago
Secure Range Queries in Tiered Sensor Networks
—We envision a two-tier sensor network which consists of resource-rich master nodes at the upper tier and resourcepoor sensor nodes at the lower tier. Master nodes collect data f...
Jing Shi, Rui Zhang, Yanchao Zhang
124
Voted
ICPADS
2008
IEEE
15 years 9 months ago
Response Time Constrained Top-k Query Evaluation in Sensor Networks
Existing solutions for top-k queries in wireless sensor networks mainly focused on energy efficiency and little attention has been paid to the response time to answer a top-k que...
Weifa Liang, Baichen Chen, Jeffrey Xu Yu
154
Voted
LCN
2008
IEEE
15 years 9 months ago
Supporting geographical queries onto DHTs
Location-based services (LBS) are currently receiving world-wide attention as a consequence of the massive usage of mobile devices, but such location services require scalable dis...
Jordi Pujol Ahulló, Pedro García L&o...
113
Voted
IPPS
2006
IEEE
15 years 8 months ago
Ant-inspired query routing performance in dynamic peer-to-peer networks
P2P Networks are highly dynamic structures since their nodes – peer users keep joining and leaving continuously. In the paper, we study the effects of network change rates on qu...
Mojca Ciglaric, Tone Vidmar
122
Voted
CAISE
2005
Springer
15 years 8 months ago
Query Processing Using Ontologies
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...
Chokri Ben Necib, Johann Christoph Freytag