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» The Complexity of the Extended GCD Problem
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SIGMOD
2000
ACM
161views Database» more  SIGMOD 2000»
14 years 4 days ago
Answering Complex SQL Queries Using Automatic Summary Tables
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
Markos Zaharioudakis, Roberta Cochrane, George Lap...
CORR
2007
Springer
94views Education» more  CORR 2007»
13 years 7 months ago
Size reduction of complex networks preserving modularity
The ubiquity of modular structure in real-world complex networks is being the focus of attention in many trials to understand the interplay between network topology and functionali...
Alex Arenas, J. Duch, A. Fernandez, Sergio G&oacut...
CSL
1999
Springer
14 years 1 days ago
A Road-Map on Complexity for Hybrid Logics
Hybrid languages are extended modal languages which can refer to (or even quantify over) states. Such languages are better behaved proof theoretically than ordinary modal languages...
Carlos Areces, Patrick Blackburn, Maarten Marx
ICLP
1997
Springer
13 years 12 months ago
The Complexity of Model Checking in Modal Event Calculi
Kowalski and Sergot’s Event Calculus (EC) is a simple temporal formalism that, given a set of event occurrences, derives the maximal validity intervals (MVIs) over which propert...
Iliano Cervesato, Massimo Franceschet, Angelo Mont...
AAAI
1998
13 years 9 months ago
Structured Representation of Complex Stochastic Systems
This paperconsidersthe problem of representingcomplex systems that evolve stochastically over time. Dynamic Bayesian networks provide a compact representation for stochastic proce...
Nir Friedman, Daphne Koller, Avi Pfeffer