725 search results - page 115 / 145 » Intelligent Techniques in Stock Analysis |
KCAP
2005
ACM
14 years 1 months ago
2005
ACM
Capturing knowledge from free-form evaluative texts about an entity is a challenging task. New techniques of feature extraction, polarity determination and strength evaluation hav...
MABS
2004
Springer
14 years 1 months ago
2004
Springer
Since Holland (1993) introduced the concept of tags as a possible cooperation forming mechanism in evolving system (among other things) a number of tag models with intriguing, and ...
GECCO
2006
Springer
13 years 11 months ago
2006
Springer
This paper describes an extension to a speciation-based particle swarm optimizer (SPSO) to improve performance in dynamic environments. The improved SPSO has adopted several prove...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
The term online reputation addresses trust relationships amongst agents in dynamic open systems. These can appear as ratings, recommendations, referrals and feedback. Several repu...
AIME
2009
Springer
13 years 8 months ago
2009
Springer
Abstract. The paper proposes a learning approach to support medical researchers in the context of in-vivo cancer imaging, and specifically in the analysis of Dynamic Contrast-Enhan...