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VLDB
2002
ACM
108views Database» more  VLDB 2002»
14 years 11 months ago
Generic Database Cost Models for Hierarchical Memory Systems
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in ...
Stefan Manegold, Peter A. Boncz, Martin L. Kersten
RAS
2007
132views more  RAS 2007»
14 years 11 months ago
Virtual sensors for human concepts - Building detection by an outdoor mobile robot
Abstract— In human-robot communication it is often important to relate robot sensor readings to concepts used by humans. We suggest to use a virtual sensor (one or several physic...
Martin Persson, Tom Duckett, Achim J. Lilienthal
JAIR
2010
160views more  JAIR 2010»
14 years 10 months ago
Reasoning About the Transfer of Control
We present DCL-PC: a logic for reasoning about how the abilities of agents and coalitions of agents are altered by transferring control from one agent to another. The logical foun...
Wiebe van der Hoek, Dirk Walther, Michael Wooldrid...
JTAER
2010
109views more  JTAER 2010»
14 years 10 months ago
A Flexible Architecture for Privacy-Aware Trust Management
In service-oriented systems a constellation of services cooperate, sharing potentially sensitive information and responsibilities. Cooperation is only possible if the different pa...
Klemens Böhm, Sandro Etalle, Jerry den Hartog...
ICRA
2010
IEEE
183views Robotics» more  ICRA 2010»
14 years 9 months ago
The Bielefeld anthropomorphic robot head "Flobi"
A robot's head is important both for directional sensors and, in human-directed robotics, as the single most visible interaction interface. However, designing a robot's h...
Ingo Lütkebohle, Frank Hegel, Simon Schulz, M...