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PODS
2010
ACM
14 years 1 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
TRUST
2010
Springer
14 years 1 months ago
2010
Springer
Secure outsourcing of computation to an untrusted (cloud) service provider is becoming more and more important. Pure cryptographic solutions based on fully homomorphic and verifia...
CIKM
2001
Springer
14 years 18 days ago
2001
Springer
Our current concern is a scalable infrastructure for information retrieval (IR) with up-to-date retrieval results in the presence of frequent, continuous updates. Timely processin...
CCS
2006
ACM
13 years 11 months ago
2006
ACM
In-network aggregation is an essential primitive for performing queries on sensor network data. However, most aggregation algorithms assume that all intermediate nodes are trusted...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
Continuous time-series sequence matching, specifically, matching a numeric live stream against a set of predefined pattern sequences, is critical for domains ranging from fire spr...