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CTRSA
2008
Springer
109views Cryptology» more  CTRSA 2008»
13 years 9 months ago
Super-Efficient Verification of Dynamic Outsourced Databases
We develop new algorithmic and cryptographic techniques for authenticating the results of queries over databases that are outsourced to an untrusted responder. We depart from previ...
Michael T. Goodrich, Roberto Tamassia, Nikos Trian...
MOBICOM
2010
ACM
13 years 7 months ago
Differential forms for target tracking and aggregate queries in distributed networks
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
Rik Sarkar, Jie Gao
VLDB
2008
ACM
110views Database» more  VLDB 2008»
14 years 7 months ago
Enhancing histograms by tree-like bucket indices
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
Francesco Buccafurri, Gianluca Lax, Domenico Sacc...
VLDB
2007
ACM
169views Database» more  VLDB 2007»
14 years 7 months ago
Peer-to-Peer Similarity Search in Metric Spaces
This paper addresses the efficient processing of similarity queries in metric spaces, where data is horizontally distributed across a P2P network. The proposed approach does not r...
Christos Doulkeridis, Akrivi Vlachou, Yannis Kotid...
DASFAA
2008
IEEE
163views Database» more  DASFAA 2008»
14 years 1 months ago
Automated Data Discovery in Similarity Score Queries
A vast amount of information is being stored in scientific databases on the web. The dynamic nature of the scientific data, the cost of providing an up-to-date snapshot of the wh...
Fatih Altiparmak, Ali Saman Tosun, Hakan Ferhatosm...