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ICDT
2001
ACM
153views Database» more  ICDT 2001»
15 years 11 months ago
Estimating Range Queries Using Aggregate Data with Integrity Constraints: A Probabilistic Approach
In fast OLAP applications it is often advantageous to provide approximate answers to range queries in order to achieve very high performances. A possible solution is to inquire sum...
Francesco Buccafurri, Filippo Furfaro, Domenico Sa...
ICC
2000
IEEE
15 years 11 months ago
Adaptive Interleaving for OFDM in TDD Systems
We proposed a novel interleaving technique, namely ada,ptive interleaving, which can break the bursty channel errors more effectively than traditional block interleaving. This new...
S. W. Lei, Vincent K. N. Lau, Tung-Sang Ng
VISUALIZATION
2000
IEEE
15 years 11 months ago
Four-dimensional non-linear ray tracing as a visualization tool for gravitational physics
In this paper, general relativistic ray tracing is presented as a tool for gravitational physics. It is shown how standard three-dimensional ray tracing can be extended to allow f...
Daniel Weiskopf
PODS
1999
ACM
89views Database» more  PODS 1999»
15 years 11 months ago
Type Inference in the Polymorphic Relational Algebra
We give a polymorphic account of the relational algebra. We introduce a formalism of \type formulas" speci cally tuned for relational algebra expressions, and present an algo...
Jan Van den Bussche, Emmanuel Waller
SIGCOMM
1999
ACM
15 years 11 months ago
A Readable TCP in the Prolac Protocol Language
Prolac is a new statically-typed, object-oriented language for network protocol implementation. It is designed for readability, extensibility, and real-world implementation; most ...
Eddie Kohler, M. Frans Kaashoek, David R. Montgome...