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PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 9 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
SIAMSC
2011
85views more  SIAMSC 2011»
14 years 9 months ago
Refinement and Connectivity Algorithms for Adaptive Discontinuous Galerkin Methods
Abstract. Adaptive multiscale methods are among the many effective techniques for the numerical solution of partial differential equations. Efficient grid management is an import...
Kolja Brix, Ralf Massjung, Alexander Voss
ARESEC
2011
117views more  ARESEC 2011»
14 years 6 months ago
Non-Parallelizable and Non-Interactive Client Puzzles from Modular Square Roots
—Denial of Service (DoS) attacks aiming to exhaust the resources of a server by overwhelming it with bogus requests have become a serious threat. Especially protocols that rely o...
Yves Igor Jerschow, Martin Mauve
CCS
2011
ACM
14 years 6 months ago
Fashion crimes: trending-term exploitation on the web
Online service providers are engaged in constant conflict with miscreants who try to siphon a portion of legitimate traffic to make illicit profits. We study the abuse of “tr...
Tyler Moore, Nektarios Leontiadis, Nicolas Christi...
IACR
2011
115views more  IACR 2011»
14 years 6 months ago
Multi-Server Oblivious RAM
Secure two-party computation protocol allows two players, Alice with secret input x and Bob with secret input y, to jointly execute an arbitrary program π(x, y) such that only th...
Steve Lu, Rafail Ostrovsky