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GEOINFORMATICA
2011
13 years 2 months ago
Functional description of geoprocessing services as conjunctive datalog queries
Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
Daniel Fitzner, Jörg Hoffmann, Eva Klien
ICDE
2006
IEEE
119views Database» more  ICDE 2006»
14 years 9 months ago
Laws for Rewriting Queries Containing Division Operators
Relational division, also known as small divide, is a derived operator of the relational algebra that realizes a many-to-one set containment test, where a set is represented as a ...
Ralf Rantzau, Christoph Mangold
DSN
2005
IEEE
14 years 1 months ago
Modeling and Automated Containment of Worms
Self-propagating codes, called worms, such as Code Red, Nimda, and Slammer, have drawn significant attention due to their enormous adverse impact on the Internet. There is a grea...
Sarah H. Sellke, Ness B. Shroff, Saurabh Bagchi
WG
1999
Springer
13 years 12 months ago
Finding Smallest Supertrees Under Minor Containment
The diversity of application areas relying on tree-structured data results in wide interest in algorithms which determine differences or similarities among trees. One way of meas...
Naomi Nishimura, Prabhakar Ragde, Dimitrios M. Thi...
SIGMOD
2003
ACM
145views Database» more  SIGMOD 2003»
14 years 7 months ago
Containment Join Size Estimation: Models and Methods
Recent years witnessed an increasing interest in researches in XML, partly due to the fact that XML has now become the de facto standard for data interchange over the internet. A ...
Wei Wang 0011, Haifeng Jiang, Hongjun Lu, Jeffrey ...