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» Continuous Queries in Oracle
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STOC
2001
ACM
139views Algorithms» more  STOC 2001»
16 years 6 months ago
Approximate distance oracles
Let G = (V, E) be an undirected weighted graph with |V | = n and |E| = m. Let k 1 be an integer. We show that G = (V, E) can be preprocessed in O(kmn1/k ) expected time, construc...
Mikkel Thorup, Uri Zwick
EDBT
2006
ACM
194views Database» more  EDBT 2006»
16 years 6 months ago
Hermes - A Framework for Location-Based Data Management
The aim of this paper is to demonstrate Hermes, a robust framework capable of aiding a spatio-temporal database developer in modeling, constructing and querying a database with dyn...
Nikos Pelekis, Yannis Theodoridis, Spyros Vosinaki...
PKC
2007
Springer
147views Cryptology» more  PKC 2007»
15 years 12 months ago
New Chosen-Ciphertext Attacks on NTRU
We present new and efficient key-recovery chosen-ciphertext attacks on NTRUencrypt. Our attacks are somewhat intermediate between chosen-ciphertext attacks on NTRUencrypt previousl...
Nicolas Gama, Phong Q. Nguyen
VLDB
1998
ACM
126views Database» more  VLDB 1998»
15 years 10 months ago
Materialized Views in Oracle
Oracle Materialized Views (MVs) are designed for data warehousing and replication. For data warehousing, MVs based on inner/outer equijoins with optional aggregation, can be refre...
Randall G. Bello, Karl Dias, Alan Downing, James J...
ICCS
2007
Springer
16 years 1 hour ago
A Generalised-Mutual-Information-Based Oracle for Hierarchical Radiosity
One of the main problems in the radiosity method is how to discretise a scene into mesh elements that allow us to accurately represent illumination. In this paper we present a new ...
Jaume Rigau, Miquel Feixas, Mateu Sbert