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» Spatial Data Query Support in Peer-to-Peer Systems
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MDM
2007
Springer
137views Communications» more  MDM 2007»
15 years 4 months ago
Infrastructure for Data Processing in Large-Scale Interconnected Sensor Networks
Abstract—With the price of wireless sensor technologies diminishing rapidly we can expect large numbers of autonomous sensor networks being deployed in the near future. These sen...
Karl Aberer, Manfred Hauswirth, Ali Salehi
SG
2007
Springer
15 years 4 months ago
Correlating Text and Images: Concept and Evaluation
This paper presents the concept and an evaluation of a novel approach to support students to understand complex spatial relations and to learn unknown terms of a domain-specific t...
Timo Götzelmann, Pere-Pau Vázquez, Knu...
SIGIR
2012
ACM
13 years 10 days ago
To index or not to index: time-space trade-offs in search engines with positional ranking functions
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
Diego Arroyuelo, Senén González, Mau...
ICDCS
2010
IEEE
14 years 7 months ago
Secure Ranked Keyword Search over Encrypted Cloud Data
As Cloud Computing becomes prevalent, sensitive information are being increasingly centralized into the cloud. For the protection of data privacy, sensitive data has to be encrypte...
Cong Wang, Ning Cao, Jin Li, Kui Ren, Wenjing Lou
SIGMOD
2003
ACM
136views Database» more  SIGMOD 2003»
15 years 10 months ago
A Characterization of the Sensitivity of Query Optimization to Storage Access Cost Parameters
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
Frederick Reiss, Tapas Kanungo