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SIGMOD
2000
ACM
121views Database» more  SIGMOD 2000»
14 years 1 days ago
MOCHA: A Self-Extensible Database Middleware System for Distributed Data Sources
We present MOCHA, a new self-extensible database middleware system designed to interconnect distributed data sources. MOCHA is designed to scale to large environments and is based...
Manuel Rodriguez-Martinez, Nick Roussopoulos
SIGMOD
1999
ACM
110views Database» more  SIGMOD 1999»
14 years 7 hour ago
Multi-dimensional Selectivity Estimation Using Compressed Histogram Information
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
Ju-Hong Lee, Deok-Hwan Kim, Chin-Wan Chung
ICRA
1999
IEEE
192views Robotics» more  ICRA 1999»
13 years 12 months ago
Cooperative Robot Localization with Vision-Based Mapping
Two stereo vision-based mobile robots navigate and autonomously explore their environment safely while building occupancy grid maps of the environment. A novel landmark recognitio...
Cullen Jennings, Don Murray, James J. Little
ICTAI
1999
IEEE
13 years 12 months ago
Search Strategies for Hybrid Search Spaces
Recently, there has been much interest in enhancing purely combinatorial formalisms with numerical information. For example, planning formalisms can be enriched by taking resource...
Carla P. Gomes, Bart Selman
ISPD
1998
ACM
97views Hardware» more  ISPD 1998»
13 years 12 months ago
Device-level early floorplanning algorithms for RF circuits
—High-frequency circuits are notoriously difficult to lay out because of the tight coupling between device-level placement and wiring. Given that successful electrical performan...
Mehmet Aktuna, Rob A. Rutenbar, L. Richard Carley