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DBPL
1997
Springer
87views Database» more  DBPL 1997»
15 years 10 months ago
Incremental Recomputation of Recursive Queries with Nested Sets and Aggregate Functions
We examine the power of incremental evaluation systems that use an SQL-like language for maintaining recursively-de ned views. We show that recursive queries such as transitive clo...
Leonid Libkin, Limsoon Wong
ESEC
1997
Springer
15 years 10 months ago
Developing Multimedia Applications with the WinWin Spiral Model
Fifteen teams recently used the WinWin Spiral Model to perform the system engineering and architecting of a set of multimedia applications for the USC Library Information Systems....
Barry W. Boehm, Alexander Egyed, Julie Kwan, Raymo...
IDMS
1997
Springer
106views Multimedia» more  IDMS 1997»
15 years 10 months ago
System for Screening Objectionable Images Using Daubechies' Wavelets and Color Histograms
Abstract. This paper describes WIPETM (Wavelet Image Pornography Elimination), an algorithm capable of classifying an image as objectionable or benign. The algorithm uses a combina...
James Ze Wang, Gio Wiederhold, Oscar Firschein
ICRA
1994
IEEE
147views Robotics» more  ICRA 1994»
15 years 10 months ago
Provable Strategies for Vision-Guided Exploration in Three Dimensions
An approach is presented for exploring an unknown, arbitrary surface in three-dimensional (3D) space by a mobile robot. The main contributions are (1) an analysis of the capabilit...
Kiriakos N. Kutulakos, Charles R. Dyer, Vladimir J...
SIGMOD
1989
ACM
118views Database» more  SIGMOD 1989»
15 years 10 months ago
The Architecture Of An Active Data Base Management System
The HiPAC project is investigating active, time-constrained databasemanagment. An active DBMS is one which automatically executes specified actions when speciifed conditions arise...
Dennis R. McCarthy, Umeshwar Dayal