In this paper we present a system for sexual predator detection which combines two different approaches: a knowledge-based system that makes use of pattern matching according to hand-coded patterns that represent typical predator behaviors, and a learning-based system which employs surface linguistic features like capitalization and chat-like expressions. These approaches are combined in a chai...

The paper presents a brief survey of the current approaches in pattern recognition. In this field the classification processes of patterns are the main subject of interest. The most conventional techniques used to solve pattern recognition problems may be grouped into statistical, structural and hybrid methods of the previous two ones. The artificial intelligence approach to pattern recognition...

The forests are ecological systems of great complexity which present interaction phenomena associated with the competition between individuals of the same and of different species. This competition is about access to resources (light, water, nutrients, . . .). The scales of forest ecosystems are very long. For this reason we use in this framework Markovian modeling for space and time evolution ...

Many conflicts over specific technologies could be alleviated by focusing attention on the design stage and by encouraging communication between designers and users. We present two approaches to achieving these goals. The first, pattern languages , provides a common language for designers and users. The second, component designs , allows technologies themselves to serve as a shared workspace fo...

the proposal lateral load pattern for pushover analysis is given in two forms for symmetric concrete buildings: 1-(x/h)0.5 for low-rise and mid-rise buildings, 2- sin(πx/h) for high-rise buildings. these two forms give more realistic results as compared to conventional load patterns such as triangular and uniform load patterns. the assumed buildings of 4, 8, 12, 16, 20 and 30 story concrete bui...

Design patterns describe solutions to recurring design problems in the development of software designs. To encourage the use of design patterns, we are investigating tool support for incorporating patterns into UML models. The development of such tools requires patterns to be specified at the metamodel level. Patterns may be specified using roles, where a role is played by model elements. Howev...