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VLDB
1999
ACM
188views Database» more  VLDB 1999»
15 years 8 months ago
Comparing Hierarchical Data in External Memory
We present an external-memory algorithm for computing a minimum-cost edit script between two rooted, ordered, labeled trees. The I/O, RAM, and CPU costs of our algorithm are, resp...
Sudarshan S. Chawathe
ACSAC
2007
IEEE
15 years 8 months ago
Efficient Detection of Delay-Constrained Relay Nodes
Relay nodes are a potential threat to networks since they are used in many malicious situations like stepping stone attacks, botnet communication, peer-to-peer streaming etc. Quic...
Baris Coskun, Nasir D. Memon
GECCO
2004
Springer
134views Optimization» more  GECCO 2004»
15 years 9 months ago
Combining a Memetic Algorithm with Integer Programming to Solve the Prize-Collecting Steiner Tree Problem
The prize-collecting Steiner tree problem on a graph with edge costs and vertex profits asks for a subtree minimizing the sum of the total cost of all edges in the subtree plus th...
Gunnar W. Klau, Ivana Ljubic, Andreas Moser, Petra...
HYBRID
2000
Springer
15 years 7 months ago
Decidable Controller Synthesis for Classes of Linear Systems
A problem of great interest in the control of hybrid systems is the design of least restrictive controllers for reachability specifications. Controller design typically uses game t...
Omid Shakernia, Shankar Sastry, George J. Pappas
AUTOMATICA
2004
112views more  AUTOMATICA 2004»
15 years 3 months ago
Ellipsoidal parameter or state estimation under model uncertainty
Ellipsoidal outer-bounding of the set of all feasible state vectors under model uncertainty is a natural extension of state estimation for deterministic models with unknown-but-bo...
Boris T. Polyak, Sergey A. Nazin, Cécile Du...